Borntrager’s test and modified borntrager’s test are used to identify the presence of phenolic compounds such as anthraquinone glycosides in…
The enfleurage method is a type of volatile oil extraction using non-volatile solvents. Raw materials such as flower petals or…
Soxhlet extraction process is an atmospheric liquid extraction that uses solvents at low pressure and boiling temperature to selectively extract…
Supercritical fluid extraction (SFE) is the process where supercritical fluids are used as the extracting solvent to separate one component…
There are three types of alkaloids in pharmacognosy based on their biochemical nature and type of nitrogen. Alkaloids are nitrogenous…
Proper storage of crude drugs is essential to maintain their quality. To preserve them one must have a good knowledge…
Chromatography is an analytical chemical technique used for the separation, identification, and purification of compounds in a complex mixture. It…
Spectroscopy in pharmacognosy is an essential process that helps identify and quantify the active compounds in an extract. The basis…
Drug evaluation is an important step that helps identify and determine the purity as well as quality of a drug.…
Evaluation of a drug helps identify a drug and determine its purity. The need for evaluation is due to the…
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