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
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Identification of cyanogenic glycosides
Cyanogenic glycosides are mainly glycosides with α-hydroxynitrile. This kind of glycoside is easy to be hydrolyzed by dilute acid and enzyme catalyzed hydrolys
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,
Identification of saponins
Quantitative determination of saponins can be carried out by thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), colorimetric method
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
Experiments in the preparation of liquors and tinctures
Liquor refers to the medicinal herbs with distilled liquor extract made of clarified liquid preparations, generally prepared by impregnation, a few percolation
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 solution-type liquid pharmaceuticals
Solution-type liquid pharmaceuticals are liquid pharmaceuticals formed by dispersing small molecules of drugs in a solvent in a molecular or ionic (diameter of
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