chemical composition
Black trigonous, tubers containing volatile oil, the main components of which are benzeneethanol, 1,4-benzenediol, hexadecanoic acid, and dehydrocostus lactone, 3,4-Dihydro-8-hydroxy-3-methyl-1H-benzopyran-4-one (3,4-dihydro-8-hydroxy-3-methyl-1H-2-benzopyran-4-one ), 1-hydroxy-2-acetyl-4-methylbenzene, beta-elemene, 2-furanmethanol, 2-acetylpyrrole, a total of 21 ingredients. Also contains a variety of organic acids: succinic acid, sanleng acid, 9-11-octadedicenoic acid, 9-12-octadecadiene Acids (9-12-octadedicenoic acid), 10-nonadecenoic acid, 11-eicosenoic acid, benzoic acid, 3-benzene-2-acrylic acid (3-phenyl-2-propenoic acid), azelaic acid, decanedioic acid, and fatty acids containing C8-C10, C12, and C14-C20. It also contains formonetin, stigmasterol, β-sitosterol, and daucosterol.
2. Small black trigonous, alkaloids in leaves and roots; aerial stems containing vitamin C.
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