This product is the total saponin extracted from the leaves of Panax notoginseng.
Properties This product is light yellow to brownish yellow, slightly sweet after bitter taste, and has moisture absorption.
Identify this product, add acetic anhydride 1ml to dissolve it, drop 2 drops of sulfuric acid1~ along the wall of the test tube, and it will turn purple. Shake it well and let it turn purple.
Check that loss on drying takes this product and dries it to constant weight at 80 degrees Celsius, and the weight loss shall not exceed 5.0%.
The ignition residue shall not exceed 4.0%.
Storage is shaded and sealed.
Qiye Anshen Tablet.