Identification of saponins
Quantitative determination of saponins can be carried out by thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), colorimetric method
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Identification of cardiac glycosides
The molecule consists of an alcohol group or alcohol-like group (ligand, glycoside or glucoside) bound to a variable number of sugar molecules. If the ligand co
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
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 alkaloids
A class of nitrogen-containing alkaline organic compounds found in nature (mainly in plants, but some are also found in animals) have alkaloid-like properties,
Experiments on the preparation of fluidized ointment, extract and decoction
The fluid infusion or infusion refers to the preparation made by extracting herbs with suitable solvents, evaporating some or all of the solvents, and adjusting
How to make glass milk?
Glass milk can be used for the recovery of DNA, this method has a variety of uses, the secondary include: purification of DNA fragments from agarose gel aliquot
Experiments on the preparation of granules
Granules are dry granular preparations made of drugs or herbal extracts with suitable excipients or fine powder of herbs. Preparation process: treatment of raw
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