Physical and chemical identification

(1) After taking the product powder for sublimation, needles, needle clusters, and rod-like crystals can be seen under the microscope.

(2) take this product powder 5g, add water 50ml, set 60 °C water bath soaking 20min, filtered. Take 1ml of the filtrate and add 2 drops of ferric chloride ethanol solution to produce a dark green precipitate. Take another filtrate 1ml, add 2 drops of ethanol solution of 5% α-naphthol, shake, produce a yellow-white turbidity, slowly add 0.5ml of sulfuric acid along the wall of the tube, the two liquid interface showed a purple ring, the color deepened after shaking Diluted with water to produce a dark purple precipitate.

Pharmaceutical Grade

Due to people's attention to their own health, Plant Extract medicines have natural sources and less side effects compared to chemical medicines, and plant extract medicines have also attracted attention.
Pharmaceutical grade plant extracts are for the purpose of curing diseases. The same plant extract product can be divided into medical grade and Health Care Grade according to different purposes. Pharmaceutical grade plant extracts contain a single active ingredient and have a high content of active ingredients. Health-care grade plant extracts require low active ingredient content and play a preventive and protective role. In the future pharmaceutical products, medicines derived from natural plant extracts will occupy a very important position.

Natural Plant Extract,Pure Plant Extracts,Herb Extract,Pharmaceutical Grade

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