Key Roles of Purified Proteins in the Cleaning Industry and Green Ecology

While industrialization has substantially improved transportation and manufacturing efficiency, it has also generated environmental costs, including increased greenhouse-gas emissions, accumulation of solid waste (especially plastics), and the spread of chemical pollution. Purified proteins—particularly enzymes—enable highly selective catalysis under mild conditions. They therefore have the potential to replace a portion of chemicals with high environmental burden across multiple industrial processes and to provide engineerable, scalable solutions along sustainable technology pathways such as plastic degradation, bioremediation, biofuels, and biopesticides. With advances in protein engineering, enzyme immobilization, and process intensification, enzymatic catalytic systems are evolving from “feasible alternatives” toward “scalable production units,” and are increasingly being embedded as key unit operations within material circularity, pollution control, and low-carbon energy systems.

Keywords: purified proteins; enzymes; biocatalysis; pulp and paper; detergents; plastic degradation; bioremediation; biofuels; biopesticides

I. Scientific Basis for the Integration of Purified Proteins into Industrial and Environmental Systems

1.1 Reaction-Kinetic Advantages of Biocatalysis

Industrial applications of purified proteins are primarily enzyme-centric. By constructing specific substrate-binding pockets and stabilizing reaction transition states, enzymes markedly reduce activation energies under near-ambient temperature and pressure, thereby achieving high catalytic efficiency and chemical selectivity (regioselectivity, stereoselectivity, and chemoselectivity). Compared with certain metal-catalyzed routes or processes using strong reagents, enzymatic catalysis typically exhibits the following features:

(1) Mild operating conditions: Most systems can operate within neutral to mildly alkaline/acidic pH ranges and at relatively low temperatures, reducing energy demand while lowering corrosion and process-safety risks.

(2) High selectivity: Reduced side reactions and lower impurity-profile complexity facilitate simplified separation and purification, and decrease consumption of solvents and adsorbent materials.

(3) Stronger environmental compatibility: Proteins are generally biodegradable by microorganisms, resulting in a lower potential risk of persistent residues; in closed-loop or immobilized systems, enzymes are also easier to recover and to control for release.

(4) Programmability: Sequence engineering enables targeted tuning of substrate scope, optimal pH/temperature windows, and inhibitor tolerance within a defined reaction framework, providing an iterative pathway for performance optimization.

1.2 Engineering Constraints in Industrial Deployment and General Mitigation Strategies

Key constraints for enzymes in industrial systems include cost; stability (temperature, pH, oxidants, shear); compatibility with surfactants/solvents/salts; and mass-transfer limitations (particularly in heterogeneous systems or at solid–liquid interfaces). Representative engineering strategies include:

(1) Enzyme immobilization and reuse: Immobilizing enzymes on inorganic or polymeric carriers can enhance thermal stability and resistance to denaturation, enabling multi-cycle reuse and lowering per-reaction unit costs.

(2) Protein engineering optimization: Directed evolution and rational design are used to improve thermostability, alkali tolerance, surfactant tolerance, and oxidative stability, while increasing catalytic efficiency to reduce dosage requirements.

(3) Process intensification and reactor design: Enhanced mixing, increased interfacial area, optimized substrate delivery and product removal, and control of water activity and microenvironmental pH reduce mass-transfer bottlenecks and deactivation rates.

(4) Quality attributes and process control: Management of specific activity, impurity-protein profiles, bioburden, and batch-to-batch consistency—supported by online/offline analytics—establishes traceability and reproducibility after scale-up.

1.3 Quantitative Frameworks for Assessing Green Benefits

In industrial and environmental applications, “green benefits” must be characterized through verifiable indicators. Common quantitative frameworks include:

(1) Material and energy flow accounting: Quantification of chemical inputs, solvent consumption, water use, and steam/electricity demand enables comparison of process burdens between enzymatic and chemical routes.

(2) Emission and toxicological risk characterization: Key metrics include wastewater COD, salt load, consumption of adsorbents/filtration media, metal residues, and risks associated with persistent organic pollutants, supporting evaluation of end-of-pipe treatment pressure and potential ecological impacts.

(3) Life-cycle perspective (LCA): When data are available, integrating feedstock acquisition, production, transportation, use, and disposal within a unified system boundary helps avoid “pollution shifting” confined to a single unit operation.

II. Industrial Chemical Applications: Substituting High-Burden Chemicals and Improving Process Controllability

2.1 Pulp and Paper: Enzymatic Unit Operations in Pulping, Bleaching, and Recycling

Pulp and paper processes involve mechanical disintegration and chemical treatment of lignocellulosic feedstocks. In conventional practice, some steps rely on strong chemicals to remove resinous contaminants, improve bleaching efficiency, or enhance deinking performance for recycled paper. Enzymatic solutions can reduce chemical consumption and improve process controllability at multiple stages:

(1) Control of resin/pitch contaminants: Hydrophobic resins and lipid-derived tacky components can drive equipment scaling, sheet defects, and process instability. Lipases hydrolyze lipid substrates to reduce tacky load, thereby decreasing subsequent demand for aggressive chemical cleaning and lowering downtime and quality-variation risks associated with deposit accumulation.

(2) Pre-bleaching treatment and brightness improvement: Hemicellulase-type enzymes such as xylanases selectively act on non-cellulosic surface components, improving pulp structure and permeability and enhancing bleaching-stage efficiency, thereby reducing bleaching chemical demand and byproduct formation to a certain extent.

(3) Enzyme-assisted deinking and quality stabilization: By acting on fiber-surface colloids and the ink–fiber binding interface, enzyme-assisted deinking improves ink detachment and dispersion, increases brightness, and enhances robustness across variable paper sources and ink systems.

(4) Compatibility with closed-loop circulation systems: Under closed-loop water reuse and high salt loads, conventional chemicals may accumulate and impair machine operation. Enzymatic approaches can reduce high-load chemical dosing within a certain range, alleviating accumulation pressure of persistent substances in recirculating systems.

(5) Coupled constraints with fiber quality: Brightness and cleanliness improvements must be balanced against the risk of excessive hydrolysis that reduces fiber strength; optimization therefore requires multi-objective balancing among brightness targets, strength retention, and chemical reduction.

2.2 Cleaning and Detergent Products: Mechanism-Based Synergy via Multi-Enzyme Blends

Modern detergents are highly engineered formulations. Enzymes mainly deliver mechanism-based performance gains through substrate-specific hydrolysis or structural disruption, reducing reliance on high-temperature and strongly alkaline conditions:

(1) Removal of proteinaceous stains: Proteases hydrolyze blood, dairy residues, and protein-rich food soils, reducing adhesion and crosslinking and facilitating surfactant-driven wetting, detachment, and dispersion.

(2) Removal of lipid/grease stains: Lipases hydrolyze triacylglycerols into fatty acids and glycerol, which are more readily emulsified, improving degreasing efficiency and stain removal under low-temperature washing.

(3) Removal of polysaccharide and composite stains: Amylases degrade starch residues; mannanases hydrolyze plant-derived gums; cellulases reduce fabric graying and harsh hand feel caused by surface microfibrils; pectinases target pectin-containing stains. Multi-enzyme blends broaden coverage across complex soil spectra and reduce dependence on strong oxidants or strong-alkali systems.

(4) Stability engineering for detergent compatibility: Surfactants, bleaching systems, chelators, and builders can perturb enzyme conformation or inactivate catalytic centers. Industry commonly combines protein engineering (alkali/oxidant/surfactant tolerance) with formulation technologies such as encapsulation, coating, and granulation to improve storage and transport stability.

(5) Linkage between low-temperature washing and emissions reduction: Lower washing temperatures reduce thermal energy demand in household and commercial settings. Maintaining sufficient cleaning efficiency at low temperatures requires high catalytic efficiency and formulation compatibility within the low-temperature window, establishing a direct connection between enzyme/formulation engineering and decarbonization objectives.

(6) Safety and exposure control: Enzyme preparations may pose occupational exposure risks when handled as dust. Commercial products therefore often use granulation, coating, and low-dust formulations to reduce inhalation exposure, coupled with labeling and manufacturing protective measures.

III. Biocatalysis as an Expansion of the Chemical Toolbox: From Substitution to Creation

3.1 Green-Chemistry Significance of Substituting Metal Catalysis with Biocatalysis

Metal catalysis is central to industrial synthesis, yet certain systems require high temperature/pressure or strongly acidic/alkaline conditions and may demand stringent control of metal residues and complex downstream purification. In specific reaction classes, enzymes can provide higher selectivity and lower byproduct burdens, primarily by:

(1) Reducing the use frequency of hazardous reagents and harsh conditions, thereby lowering safety risks and environmental treatment costs.

(2) Reducing separation/purification complexity and decreasing solvent and adsorbent consumption, lowering process carbon footprint.

(3) Decreasing impurity-profile complexity and improving product consistency, enhancing downstream quality-control efficiency.

(4) Improving chiral control efficiency: For chiral pharmaceutical intermediates, enzymatic catalysis can deliver high enantiomeric excess in a single step, reducing resolution operations, solvent use, and waste generation associated with chiral separations.

3.2 De Novo Enzyme Design and Directed Evolution: Building Reactivity Beyond Nature

Directed evolution and computationally assisted design can enable enzymes to catalyze bond-forming reactions that are rare or absent in nature, expanding accessible synthetic space. Such engineered reactions can shorten routes, improve stereoselectivity, and reduce waste in pharmaceutical synthesis and high-value chemical manufacturing, promoting a transition from substitution technology to an innovation-driven manufacturing platform:

(1) High enantioselectivity and regioselectivity can reduce solvent-intensive operations such as resolution and recrystallization.

(2) Operation in aqueous or low-toxicity solvent systems can reduce VOC emissions and solvent disposal burdens.

(3) Coupling with reaction engineering (continuous flow, packed-bed systems) can yield production units with high space–time yields and robust operational stability.

3.3 An Iterative Technology Chain from “Discovery” to “Design”

Progress in enzyme technology typically relies on an iterative chain:

(1) Bioprospecting and database mining: Candidate enzymes are mined from microbial diversity and sequence databases; structural information and conserved-site analysis help narrow screening space.

(2) High-throughput screening and directed evolution: Screening systems should match target operating windows (temperature, pH, solvents, inhibitors) to avoid disconnects between laboratory performance and industrial behavior.

(3) Structural biology and mechanistic elucidation: Structural and mechanistic studies identify stability bottlenecks and rate-limiting steps, providing actionable bases for rational design.

IV. Environmental Applications: Molecular-Level Pathways for Pollution Identification, Removal, and Resource Circularity

4.1 Plastic Degradation and Circularity: Enzymatic Depolymerization Targeting PET

Plastics persist because macromolecular structures exhibit low reactivity under environmental conditions. For polyester materials such as PET, specific hydrolases can cleave ester bonds to achieve depolymerization. Natural enzymes are often constrained by temperature/pH windows and long-term stability; after protein-engineering optimization, PET hydrolases can remain active across broader operating ranges and improve adaptability to materials of different morphologies and crystallinities.

(1) Environmental significance: Enzymatic depolymerization can convert certain mechanically difficult-to-recycle PET streams into monomers or oligomers suitable for repolymerization, enabling closed-loop circularity, reducing landfill and environmental dispersion risks, and lowering dependence on fossil-derived virgin feedstocks.

(2) Engineering determinants: Solid–liquid interfacial mass transfer, accessibility of crystalline regions, operating temperature window, and enzyme deactivation kinetics govern efficiency and typically require coordinated optimization across material pretreatment (size reduction, surface-area enhancement, moderate thermal treatment or surface modification), reactor design, and enzyme engineering.

(3) Process evaluation metrics: Beyond conversion, key metrics include monomer/oligomer distributions, product inhibition effects, organic load and treatability of post-reaction liquors, and impurity control and repolymerization suitability of recovered monomers.

(4) System integration with recycling infrastructure: Enzymatic recycling is most effective when integrated with sorting, pretreatment, and repolymerization units in a closed loop. Insufficient upstream sorting that leads to mixed plastics can markedly impair selectivity and economics, requiring coordinated design with solid-waste management systems.

4.2 Bioremediation: A Coupled Framework of Protein Biosensing and Enzymatic Degradation

Environmental governance commonly follows a closed loop of detection, assessment, treatment, and verification. Purified proteins create value through selective identification and targeted transformation of pollutants:

(1) Protein-based biosensing for pollution identification: Proteins that specifically bind target pollutants enable highly selective sensing systems for on-site screening and continuous monitoring of heavy metals, organic pollutants, and certain pesticides. Signal transduction can be electrochemical, optical, or colorimetric. Relative to non-specific indicator methods, protein recognition offers advantages in selectivity and anti-interference design.

(2) Enzymatic degradation for pollutant removal: Structure-specific degrading enzymes can convert pollutants into less toxic or more treatable products. Practical deployment requires assessment of intermediate risks, degree of mineralization, and secondary pollution potential, as well as definition of stable operating windows (dissolved oxygen, pH, temperature, nutrients).

(3) Coupling with engineering measures: Enzymatic remediation often needs integration with extraction, aeration, bioaugmentation, and adsorption/immobilization materials to mitigate efficiency losses under migration-limited, dilute, or heterogeneous conditions. In soils, pore structure, moisture, oxygen diffusion, and sorption to organic matter can reduce bioavailability and must be addressed.

(4) Monitoring and verification systems: Verification should not rely solely on concentration reductions; toxicity-equivalent assessment, ecological risk indices, and mobility evaluation are needed to confirm substantive risk reduction.

4.3 Biofuels: Enzyme-Catalyzed Conversion Using Waste Lipids as Feedstocks

Transportation fuels remain strongly dependent on fossil resources, and extraction and transport impose systemic ecological disturbances. Producing biodiesel from waste cooking oil and related biowastes represents a resource-valorization pathway with emissions-reduction potential. Lipases and phospholipases can participate in impurity removal and transesterification/conversion steps to generate fuel components such as fatty acid methyl esters.

(1) Potential advantages: Renewable feedstocks can be locally sourced, reducing cross-regional transportation; the route also mitigates secondary pollution risks from waste oil disposal and improves resource recovery efficiency of organic wastes.

(2) Key bottlenecks: Enzymatic routes can be more costly and enzymes may deactivate in the presence of alcohols; impurities such as free fatty acids, water, and phospholipids can affect catalysis and phase behavior. Immobilization, reuse, staged feeding, and tolerance-improving enzyme engineering are major levers for economic improvement.

(3) Alignment with quality standards: Fuel products must meet specifications for viscosity, acid value, oxidative stability, and impurity limits, requiring quality-control strategies and downstream processing that accommodate feedstock variability.

(4) Byproducts and value-chain integration: Enzymatic processes commonly produce glycerol and other byproduct streams; purification and integrated utilization can improve overall economics and reduce wastewater organic load.

4.4 Biopesticides: Targeted Control Enabled by Biodegradable Proteins/Peptides

Conventional chemical pesticides often exhibit high environmental persistence, which can increase residue risks in soils and groundwater. Protein/peptide biopesticides are more biodegradable and may carry lower residue burdens; their target specificity can also reduce non-target impacts.

(1) Environmental and health relevance: These agents offer theoretical advantages in reducing persistent residues and ecological exposure risks, and are relevant for high-value crops sensitive to residues or for ecologically sensitive regions.

(2) Industrialization considerations: Field persistence, UV and thermal stability, formulation and cost control, and regulatory evaluation requirements determine deployment speed and application scope.

① Enhancing resistance to environmental degradation to extend effective duration;

② Optimizing formulation and delivery to increase target exposure efficiency;

③ Reducing dose and improving stability consistency through protein engineering.

(3) Resistance management and integrated governance: Deployment should be embedded in resistance-management frameworks and coordinated with crop rotation, agronomic measures, biological control, and rotation with chemical agents to mitigate efficacy loss driven by adaptive evolution in target populations.

(4) Ecological compatibility assessment: Beyond target efficacy, evaluation should address potential impacts on pollinators, soil microbiomes, and aquatic organisms, and define ecological safety boundaries linked to dose and exposure pathways.

V. Comparative Table of Representative Enzyme Classes and Applications

Protein/Enzyme Class	Primary Function	Typical Application Scenarios
Hydrolases	Bond cleavage reactions involving water	Pulp and paper; cleaning; plastic degradation; biofuels
Lipases	Hydrolysis of lipids	Pulp and paper; cleaning; biofuel-related steps
Glycosidases	Hydrolysis of oligosaccharide/polysaccharide bonds	Pulp and paper; cleaning; biomass conversion
Xylanases	Action on xylan	Pulp bleaching / pulp modification
Proteases	Hydrolysis of proteins	Cleaning; paper-related processing
Amylases	Hydrolysis of starch-related bonds	Cleaning; biomass/biofuels
Mannanases	Degradation of mannan and related substrates	Cleaning products
Cellulases	Degradation of cellulose-associated structures	Cleaning products (e.g., textile care)
Pectinases	Degradation of pectin	Cleaning products
PET hydrolases	Cleavage of PET polyester bonds	Plastic degradation and recycling
Phospholipases	Hydrolysis of phospholipid-associated structures	Waste oil treatment; biodiesel-related processes

VI. Aladdin-Related Products

Catalog No.	Product Name	CAS No.	Grade and Purity	Application Scenario
X755181	Xylanase	9025-57-4	Recombinant, powder, ≥2500 units/g, expressed in Aspergillus oryzae	Pulp bleaching pretreatment: selectively degrades xylan to improve bleaching accessibility and reduce bleaching-chemical demand
X195724	Xylanase	9025-57-4	EnzymoPure™, ＞100000 U/g	Pulp bleaching pretreatment: high-activity preparation to lower dosage and improve brightness-gain efficiency
np226945	Xylanase from Pichia pastoris	9025-57-4	technical grade, ≥100 U/mg powder	Continuous papermaking operation: adapted to industrial conditions for xylan-degradation units in pre-bleaching pretreatment
X298998	Xylanase recombinant	37278-89-0	EnzymoPure™, ≥2500 units/g, expressed in Aspergillus oryzae	Pulp bleaching pretreatment: recombinant preparation for batch-to-batch consistency and improved process controllability
X755112	Xylanase from Trichoderma viride		lyophilized powder, 100–300 units/mg protein	Pulp modification: tunes hemicellulose structure to improve pulp permeability and bleaching efficiency
E1448586	Exo-1,4-β-xylosidase	9025-53-0		Hemicellulose degradation in papermaking: exo-hydrolysis strengthens the xylan-degradation chain to enhance pretreatment performance
H304919	Hemicellulase from gastritis	9025-56-3	EnzymoPure™, ≥200 unit/mg solid	Pulp modification: selective hemicellulose hydrolysis to improve bleaching accessibility and process stability
H304918	Hemicellulase from Aspergillus niger	9025-56-3	EnzymoPure™, ≥5 unit/mg solid	Pulp bleaching pretreatment: reduces hemicellulose-related masking effects to lower chemical dosage
H755178	Hemicellulase from Aspergillus niger	9025-56-3	powder, 0.3–3.0 unit/mg solid	Process optimization in papermaking: for screening pretreatment operating windows and evaluating dosing levels
G303580	Gourmet oligosaccharide	37288-54-3	EnzymoPure™, Enzyme activity 50000u/g	Papermaking and detergent systems: degrades mannan colloids to reduce tackiness and improve rheology and cleaning efficiency
P755321	Subtilisin from Bacillus licheniformis	9014-01-1	technical grade, ≥200 U/mg powder	Detergent stain removal: hydrolyzes protein stains under alkaline conditions, improving cleaning and reducing reliance on high temperature/strong alkali
P757708	Protease(Subtilisin)	9014-01-1	EnzymoPure™, 8 KNPU-E/g	Detergent stain removal: serine protease for rapid hydrolysis and removal of protein stains
P757755	Protease (Subtilisin)	9014-01-1	EnzymoPure™, 12 KNPU-S/g	Detergent stain removal: higher-activity proteolysis unit to reduce dosage and increase cleaning rate
P757703	Protease(Subtilisin)	9014-01-1	EnzymoPure™, ≥3 AU-A/g	Detergent formulation development: benchmark proteolysis unit for assessing protease contribution and optimizing formulations
D195752	Dispase	9068-59-1	EnzymoPure™, BioReagent, 50u/mg	Mild cleaning systems: hydrolyzes protein stains at neutral pH to reduce corrosion and material risk
N128693	Neutral Protease from Bacillus polymyxa(Purified)	9001-92-7	EnzymoPure™, ≥4 units/mg dry weight	Mild cleaning systems: protein-stain hydrolysis unit for low-corrosivity cleaning formulations
N279017	Neutral Protease NB From Clostridium Histolyticum	9001-92-7	EnzymoPure™, High Active Grade, ≥4.00 U/mg	High protein-load systems: pretreatment to degrade protein soils and reduce load
T755345	Thermolysin from Geobacillus stearothermophilus	9073-78-3	Type X, lyophilized powder, 30–350 units/mg protein	High-temperature cleaning: heat-tolerant proteolysis to maintain cleaning efficiency and process stability under intensified conditions
P755105	Pectinase from Aspergillus		≥0.3 U/mg	Detergent stain removal: degrades pectin and plant colloids to reduce adhesion and promote dispersion/removal
P755168	Pectinase from Rhizopus sp.		powder, 400–800 units/g solid	Solid detergent formulations: pectin-stain removal module as a powder enzyme preparation
P755221	Pectinase from Aspergillus aculeatus		EnzymoPure™, aqueous solution, ≥3,800 units/mL	Liquid detergent formulations: aqueous pectinase for blending and compatibility evaluation
P116864	Pectinase	9032-75-1	EnzymoPure™, Native, ≥30 000 U/g	Detergent stain removal: high-activity pectin degradation to reduce dosage and improve cleaning efficiency
P128776	Pectinase from Aspergillus niger	9032-75-1	EnzymoPure™, ≥20 units/mg dry weight	Cleaning-condition screening: mass-specific activity for dosing optimization and window evaluation
P755196	Pectinase from Aspergillus niger	9032-75-1	BioReagent, 40%glycerol solution, ≥5 units/mg protein	System development and evaluation: methodological control for stability/activity evaluation and formulation screening
P1447134	Pectolyase Y-23, A. japonicus	9033-35-6		Detergent stain removal: pectin-structure degradation to broaden coverage of complex soil spectra
P755148	Pectolyase from Aspergillus japonicus		lyophilized powder, ≥0.3 units/mg solid	Detergent stain removal and evaluation: soluble-pectin substrate degradation for system evaluation and formulation screening
A109181	α-Amylase	9000-90-2	EnzymoPure™, BioReagent	Detergent stain removal: hydrolyzes starch-based soils to reduce adhesion and promote dispersion/removal
A757775	Amylase	9000-90-2	EnzymoPure™, 480 KNU-B/g	Detergent stain removal: high-activity starch hydrolysis to reduce dosage and improve cleaning efficiency
A757908	Amylase		EnzymoPure™, 240 KNU-S/g	Detergent stain removal: starch-soil removal module for multi-enzyme blends
A755188	α-Amylase from Bacillus sp.	9000-90-2	EnzymoPure™, Native, ≥50 U/mg powder	Detergent stain removal: bacterial α-amylase for starch-soil hydrolysis
A755195	α-Amylase from Bacillus licheniformis		lyophilized powder, 500–1,500 units/mg protein, 93–100% (SDS-PAGE)	Detergent formulation development: system fit and stability evaluation for starch-hydrolysis modules
A299006	α-Amylase from Bacillus sp.	9000-85-5	EnzymoPure™, ≥300 units/g	Detergent stain removal: cost-sensitive dosing scenarios for starch-hydrolysis units
A755200	α-Amylase from Aspergillus oryzae	9001-19-8	powder, ~30 U/mg	Solid detergent formulations: fungal powder α-amylase for solid-dosing systems
A299002	α-Amylase from Bacillus amyloliquefaciens	9000-85-5	liquid, ≥250 units/g	Detergent formulation engineering: example for continuous formulation manufacture and stability evaluation
A684471	α- Amylase, diluted with starch, obtained from Bacillus subtilis	9000-90-2	≥650 U/g	Detergent stain removal: economical dosing example for starch hydrolysis
A109182	α-Amylase	9000-90-2	EnzymoPure™, BioReagent	Intensified cleaning: maintains starch-hydrolysis capability in higher-temperature windows to support process intensification
B406193	1-Butyl-2,3-dimethylimidazolium Polyethylene Glycol Hexadecyl Ether Sulfate coated Lipase			Detergent formulation engineering: formulation/coating improves enzyme stability and usability in surfactant systems
L299012	Lipase A from Aspergillus niger	9001-62-1	EnzymoPure™, ≥120,000 U/g	Detergent degreasing: high-activity lipid hydrolysis to reduce dosage and improve low-temperature cleaning
L299017	Lipase G from Penicillium camemberti	9001-62-1	EnzymoPure™, ≥50,000 U/g	Detergent degreasing: lipid-hydrolysis unit for enhancing degreasing in blended enzyme systems
L299016	Lipase M from Mucor javanicus	9001-62-1	EnzymoPure™, ≥10,000 U/g	Detergent degreasing: lipid-hydrolysis unit to improve degreasing rate and end-point performance
L299011	Lipase PS, from Burkholderia cepacia	9001-62-1	Recombinant, ≥23,000 U/g	Detergent degreasing and lipid conversion: evaluation of lipid-substrate hydrolysis and process coupling
L298985	Lipase from Candida sp.	9001-62-1	EnzymoPure™, ≥5000 LU/g	Detergent degreasing: conventional dosing-type enzyme preparation for hydrolysis and removal of lipid soils
L298994	Lipase from Thermophila sparsiformis	9001-62-1	EnzymoPure™, ≥100000 U/g	Detergent degreasing: high-activity preparation to reduce dosage and improve degreasing efficiency
L1375438	Lipase from Thermomyces lanuginosus	9001-62-1	EnzymoPure™, ≥100 LCLU-DL/g	Detergent degreasing: performance enhancement in low-temperature windows and formulation fit
L757440	Lipases	9001-62-1	EnzymoPure™, ≥110 KLU/g	Detergent degreasing: fungal lipase for blending in surfactant systems to enhance degreasing
L299014	Lipase from Pseudomonas fluorescens	9001-62-1	EnzymoPure™, ≥20,000 U/g	Detergent degreasing and process evaluation: compatibility assessment and lipid-hydrolysis performance evaluation
np226949	Lipase from Aspergillus niger	9001-62-1	technical grade, ≥100 U/mg powder	Industrial cleaning and degreasing: scalable dosing and continuous-operation lipid-hydrolysis unit
L1434787	Lipase, Aspergillus niger			Detergent degreasing: fungal lipase for lipid-soil hydrolysis and formulation blending evaluation
L757405	Lipases	9001-62-1	EnzymoPure™, ≥9000 PLU/g	Detergent degreasing: lipid hydrolysis to enhance wetting, detachment, and dispersion
L757390	Lipases	9001-62-1	EnzymoPure™, ≥360 IUN/g	Detergent degreasing: lipid-hydrolysis unit for routine degreasing enhancement
L757399	Lipases	9001-62-1	EnzymoPure™, ≥450 IUN/g	Detergent degreasing: comparative evaluation for dosage optimization and degreasing efficiency
L757446	Lipases		EnzymoPure™, ≥6000 LU/g	Detergent degreasing: strengthened low-temperature degreasing via lipid-hydrolysis unit
L757413	Lipases		EnzymoPure™, ≥100 LCLU-SL/g	Detergent degreasing: low-temperature degreasing enhancement and formulation fit
L757458	Lipases		EnzymoPure™, 15 KLU/g	Detergent degreasing: routine-dosing lipase for formulation blending evaluation
L757464	Lipases	9001-62-1	EnzymoPure™, 85 KLU-LV	Detergent degreasing: evaluation of degreasing capability and stability in formulations
L163843	Lipase PEG		EnzymoPure™, MW 5000 Da	Detergent/process engineering: example of improving enzyme stability and usability via modification in specific systems
M1430967	Monoglyceride lipase, Bacillus sp.	9040-75-9		Waste oil and lipid systems: enzymatic conversion targeting monoglyceride-related components and feedstock-impurity management
C1437775	Immobilized Candida antarctica Lipase B (Immobilized CALB)		Bioactive, ActiBioPure™, High Performance, EnzymoPure™, >6000PLU/g dry weight; Immobilized on hydrophobic carrier; from Candida antarctica	Biodiesel production: immobilized catalyst for batch recycle operation in transesterification/conversion units
C1434055	Immobilized Candida antarctica Lipase B (Immobilized CALB)		Bioactive, Recombinant, ActiBioPure™, High Performance, EnzymoPure™, ≥12000PLU/g; Immobilized on Porous methyl methacrylate resin; expressed in Aspergillus niger	Biodiesel production: immobilized transesterification catalyst for fixed-bed or continuous reactors
T1437404	Immobilized Thermomyces lanuginosus Lipase (TLL)		Bioactive, ActiBioPure™, High Performance, EnzymoPure™, >3000PLU/g dry weight; Immobilized on hydrophobic carrier; from Thermomyces lanuginosus	Biodiesel production: immobilized catalytic conversion in moderately elevated-temperature windows
L1375525	Immobilized Lipase	9001-62-1	≥1500 TRU-A/g solid	Biodiesel production: immobilized reuse to reduce unit reaction cost and improve scale-up feasibility
L299015	lipase PS-IM	9001-62-1	≥500 U/g, immobilized on diatomaceous earth	Biodiesel production: recoverable catalyst for continuous processes using carrier-immobilized systems
L298983	Lipase acrylic resin（recombinant）	9001-62-1	≥5,000 U/g, expressed in Aspergillus niger	Biodiesel production: resin immobilization for reuse and process scale-up
P757681	Phospholipase A1		75 PLA-L/g	Waste oil pretreatment: degrades phospholipid impurities to reduce emulsification/phase-separation risks and improve downstream stability
P299005	Phospholipase A1 from Aspergillus oryzae		≥10 KLU/G	Waste oil pretreatment: improves degumming efficiency and stabilizes transesterification processes
P1501339	Phospholipase A2 (PLA2) from Porcine pancre	9001-84-7	≥200 LeU/mg powder	Waste oil processing: reduces phospholipid load to improve feedstock consistency and downstream controllability
P757679	Phospholipase C	9001-86-9	≥5000 PLC-S/g	Waste oil processing: cleaves phospholipids to lower gum content and improve oil–water separation and process stability
C299008	Cellulase, enzyme blend	9012-54-8	EnzymoPure™, ≥1000 unit/g	Biomass saccharification: enzyme cocktail improves substrate coverage and increases final sugar-conversion yield
C1375523	Cellulase	9012-54-8	Native, ≥4500U/g liquid	Biomass saccharification: hydrolyzes cellulose main chain to release fermentable sugars; liquid dosing example
C755198	Cellulase from Aspergillus sp.	9012-54-8	≥1000 U/g liquid	Biomass saccharification: hydrolysis unit emphasizing batch consistency and process controllability
C755159	Cellulase from Trichoderma sp.		powder, ≥5,000 units/g solid	Biomass saccharification: powder preparation for solid dosing and large-scale saccharification systems
C755216	Cellulase from Trichoderma reesei	9012-54-8	aqueous solution, ≥700 units/g	Biomass saccharification: aqueous cellulase unit for continuous dosing and process control
C298999	Cellulase from Trichoderma reesei	9012-54-8	EnzymoPure™, ≥700 units/g	Biomass saccharification: typical hydrolysis unit for T. reesei-based saccharification systems
C766283	Cellulase from Trichoderma reesei	9041-92-3	≥100,000 U/g powder	Intensified biomass saccharification: high-activity powder to reduce dosage and/or shorten saccharification time
C128647	Cellulase from Trichoderma reesei ATCC 26921	9012-54-8	≥25 units/mg dry weight	Biomass saccharification evaluation: for efficiency comparison and parameter calibration using mass-specific activity
C128646	Cellulase from Trichoderma reesei ATCC 26921	9012-54-8	≥45 units/mg dry weight	Biomass saccharification evaluation: higher mass-specific activity for kinetic comparison and dosing optimization
C109262	Cellulase from Aspergillus niger(Carrier for starch)	9012-54-8	powder, 10,000U/g	Biomass saccharification: carrier-based powder for solid dosing systems and storage/transport stability example
C766286	Cellulase(Carrier for starch)	9012-54-8	≥20,000U/g, powder	Biomass saccharification: carrier-based high-activity powder for scale-up dosing and cost-sensitive scenarios
C140864	Cellulase(Carrier for dextrine)	9012-54-8	powder, 10,000U/g	Biomass saccharification: carrier-based powder for process-compatibility evaluation and scaled dosing
G755171	β-Glucosidase from almonds	9001-22-3	≥10U/mg powder; 10–60 U/mg protein	Biomass saccharification: converts cellobiose to glucose to reduce product inhibition and improve final conversion
G755204	β-Glucosidase from almonds	9001-22-3	≥4 U/mg powder	Biomass saccharification: hydrolyzes β-glucosidic bonds to improve synergy in saccharification systems
G755134	Glucosidase from Aspergillus niger	9033-06-1	≥750 U/g	Biomass conversion: glycosidic-bond hydrolase preparation for saccharification or substrate pretreatment
A304857	β-Amylase	9000-91-3	≥10000 AUN/g	Biomass conversion: directed hydrolysis of starch substrates to obtain fermentable sugar components
A419518	β-Amylase	9000-91-3	≥700000 units/g	Intensified biomass conversion: high-activity β-amylase to improve saccharification efficiency and shorten reaction time
P755164	Pullulanase microbial		≥1000 NPUN/g	Biomass conversion: degrades branched starch to reduce structural complexity and improve downstream saccharification
K755322	Keratinase from Aspergillus niger		≥200 U/mg powder	Resource recycling: keratinous solid-waste degradation to reduce chemical and energy burdens
C412403	Cyanosafracin B	96996-50-8		Environmental remediation: targeted hydrolytic conversion of cyanide-containing pollutants to reduce environmental risk
E1429656	Epoxide hydrolase	9048-63-9		Environmental remediation: hydrolytic conversion of epoxide groups to reduce reactivity and facilitate downstream treatment
G1501772	α-Amylase (α-AL) Activity Assay Kit (DNS, Micro Method)		BioReagent	Process evaluation: establishes quantitative links among dosage, activity, and cleaning/conversion outcomes

Purified proteins—particularly enzymes—are increasingly driving the greening of industrial processes and the molecularization of environmental governance in an engineerable manner. Through highly selective catalysis, they reduce reliance on high–environmental-burden chemicals and lower energy demand; through biodegradability and recoverable use (e.g., in immobilized or closed-loop configurations), they mitigate risks associated with persistent environmental residues. In addition, they are enabling scalable technological pathways in plastic circularity, bioremediation, and renewable fuels.Future research and industrial deployment should prioritize system-level integration across protein engineering, immobilization and reuse, process intensification, and material pretreatment, coupled with verification of environmental benefits and economic feasibility within life-cycle system boundaries. This integration is essential for biocatalysis to meet requirements for stability, scalability, and affordability in parallel with environmental compatibility, thereby establishing purified proteins as a foundational technical pillar for clean industry and green ecological systems.

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For more related articles, please see below:

[1] Applications of Flavors and Fragrances in the Food Industry

[2] α-Amylase: Advances in Structure–Function Relationships, Production Technologies, and Industrial Applications

[3] EnzymoPure™: Excellence in Enzymatic Solutions for Biological and Chemical Industries

Aladdin: https://www.aladdinsci.com/