Identification of raw herbs
Shape identification
1, borneol borneol, processed products for dipterocarp resin. It is a semi-transparent, plate-like or granular crystal with a diameter of 1 to 7 mm and a thickness of about 1 mm. It is white to light grayish brown. The gas is fragrant, the taste is cool, and the chewing slowly dissolves. After micro-sublimation, observation under a microscope, the crystals are rod-like or polygonal. No black smoke or slight black smoke when burning. It is better to use a large, thin, pure white color, loose texture, and pure fragrance.
2. Mechanism: Borneol is a chemically-synthesized processed product. Translucent flake crystals, diameter 5 ~ 15 mm, thickness of about 2 to 3 mm. White, the surface is cracked like ice. The crunchy layer has a layer that can be peeled into thin slices and shredded by hand. Gas fragrance, cool and cool. There is black smoke when burning, leaving no residue. In addition, the crystallization of the leaves of the Asteraceae Blumea balsamifera DC.
Physical and chemical identification
1, take this product 10mg, add a few drops of ethanol to dissolve, add a new system of 1% vanillin sulfuric acid solution 1 to 2 drops, that is, purple.
2, take this product 3g, add nitric acid 10ml, that is, produce a red-brown gas, to be stopped after gas production, add water, 20ml, shaking, filtration, filter residue after washing with water, there is camphor smell.
Amino acid
Amino acid,Acetylcysteine,l-Theanine,L-cysteine,l-carnitine,L-Glutamine
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