Qualitative identification of volatile oils
Volatile oils, also known as essential oils, in English for essential oils, is a class of aromatic odors present in plants, can be distilled with water vapor an
Topic: Biochemistry Lab
Articles by Topic "Biochemistry Lab"
Knowledge Base
Methods for the extraction of barmartine and the preparation of fenugreekin
Palmatine is a quaternary ammonium alkaloid that is soluble in water and polar organic solvents (e.g., methanol, ethanol, etc.) so it can be extracted with meth
Extraction and isolation of free hydroxyanthraquinone components from Cynodon dactyliflorus
The extraction and isolation of the free hydroxyanthraquinone components in Tiger Balm can be applied to (1) the preparation of drugs and (2) the study of pharm
paper chromatography
Using paper as a carrier, a liquid stationary phase (e.g., water, formamide, or others) is uniformly adsorbed on the paper, and a solvent that is not miscible w
Effects of pH, temperature, and inhibitors on sucrase activity
Design your own experimental program to determine the effects of pH, temperature and inhibitors on sucrase activity. (Source: Laboratory instruction of biochemi
Residue analysis experiments for organochlorine pesticides
Usually organochlorine pesticides (OCLs) are divided into DDT and its analogues, hexachlorohexane and cyclopentadienyl derivatives, which are not easy to be dec
Experiment for the determination of total sugar content
(Source: Laboratory instruction in biochemistry and molecular biology, Shao Xueling et al, Wuhan University Press, 2003)
Identification of tannins
Tannins, also known as tannins, are a class of complex polyphenolic compounds found in plants. Tannins can be combined with proteins to form an insoluble precip
Identification of saponins
Quantitative determination of saponins can be carried out by thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), colorimetric method