Tryptone, CAS No.91079-40-2

CAS: 91079-40-2 Cat. No.: T139519 EC Number: 293-428-4 PubChem CID: 381002383

GRADE & PURITY Reagent Grade, CellNourish™ Basic

Overview

Use casein as raw material, hydrolyzed by trypsin.White powder, easily soluble in water, the solution is light in color;Rich in peptides and amino acids, small peptides below 1000D account for more than 90%.

Application

As an organic nutrient source for microbial culture, the product is rich in tryptophan, and its application fields include: biochemical test detection, seed culture, protein expression, vaccine, interferon and other types of microbial culture, etc.

Physical-chemical characteristics

Test items	index
Solubility (%,normal temperature)	20%,clear and translucent,sterilized without phosphate precipitation
pH(2%solution)	6.5-7.5
Moisture (%)	≤6.0
Total nitrogen (on dry basis,%)	≥12.5
Amino nitrogen (on dry basis,%)	≥3.0
Ash content (%)	≤15.0
NaCl(%)	≤5.0
Peptone content (%)	≥30.0

Microbiology

Test items	index
Total number of colonies (cfu/g)	≤10000
Pathogenic bacteria	Not check out

Heavy metals

Test items	index
Total arsenic（ppm）	≤2.0
Lead（ppm）	≤2.0

Molecular weight distribution

Molecular weight range	Peak area percentage
＞2000	1.64
1000-2000	3.14
400-1000	31.32
180-400	49.99
＜180	13.92

Amino acid composition

Types of amino acids		Free amino acid ( % )	Hydrolyzed amino acid ( % )
Aspartic acid	Asp	0.07	6.14
Threonine	Thr	0.52	3.54
Serine	Ser	0.40	3.89
Glutamate	Glu	0.31	18.72
Glycine	Gly	0.17	1.61
Alanine	Ala	0.46	2.68
Cystine	Cys	0.15	0.00
Valine	Val	1.02	6.01
Eggs acid	Met	0.80	2.02
Isoleucine	Ile	0.92	4.80
Leucine	Leu	4.04	7.95
Tyrosine	Tyr	0.41	1.57
Phenylalanine	Phe	2.54	4.41
Lysine	Lys	4.85	6.77
Histidine	His	0.33	2.56
Arginine	Arg	2.76	3.21
Proline	Pro	0.02	9.43
total		19.74	85. 32

ps :The above indicators are for reference only, the specific values are subject to the actual measurement of each batch

Specifications

Product Name

Tryptone, CAS No.91079-40-2

Synonyms

Peptone from casein

Grade

CellNourish™ Basic, Reagent Grade

Specifications & Purity

CellNourish™ Basic, Reagent Grade

CAS

91079-40-2

Molecule Type

Medium

Storage and Shipping

Storage

Protected from light,Argon charged,Room temperature

Shipped In

Normal