Chinese medicine chemical composition
The rhizome contains various diphenylheptane compounds: curcumin, dihydrocurcumin, hexahydrocurcumin, octahydrocurcumin, (1ξ)-1-hydroxy- 1,7-bis(4-hydroxy-3-methoxyphenyl)-6-heptene-3,5-dione [(1H)-1-hydroxy-1,7-bis(4-hydroxy=- 3-methoxyphenyl)-6-heptene-3,5-dione], (3R,5R)-1-(4-hydroxyphenyl)-7-phenyl-3,5-heptanediol [(3R,5R)- 1-(4)-hydroxyphenyl]-7-phenylheptane-3,5-diol], 5-hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-phenyl-3-heptanone [ 5-hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-phenyl-3-heptanone],1,7-diphenyl-4-hepten-3-one (1,7-diphenyl-hept- 4-en-3-one), 7-(4-Hydroxy-3-methoxyphenyl)-1-phenyl-4-hepten-3-one [7-(4-hydroxy-3-methoxyphenyl) 1-phenylhept-4-en-3-one], 1,7-diphenyl-5-hydroxy-3-heptanone, 7-(4) -Hydroxy-3-methoxyphenyl)-1-phenyl-3,5-heptanedione, [7-(4-hydroxy-3-methoxyphenyl)-1-phenyl-3,5-heptadione], 5 -methoxy-7-(4- 3-Methoxyphenyl)-1-phenyl-3-heptanone [5-methoxy-7-(4-hydroxy-3-methoxyphenyl)-1-phenyl-3-heptanone], 5-Hydroxy- 7-(4-hydroxyphenyl)-1-phenyl-3-heptanone [5-hydroxy-7-(4-hydroxyphenyl)-1-phenyl-3-heptanone], 7-(4-hydroxyphenyl) 1-phenyl-4-hepten-3-one [7]-(4-hydroxyphenyl)-1-phenyl-4-hepten-3-one], 5-methoxy-7 (4-hydroxyphenyl) )-1-phenyl-3-heptanone [5-methoxy-7-(4-hydroxyphenyl)-1-phenyl-3-heptanone], 5-methoxy-1,7-diphenyl-3-heptane (5-methoxy-1,k7-diphenyl-3-heptanone), epihexahydrocurcumin, 5?-hydroxy-1,7-diphenyl-3-heptanone((5R)-hydroxy-1 ,7-diphenyl-3-heptanone],5(R)-Hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-phenyl-3-heptanone [5(R)-hydroxy- 7-(4-hydroxy-3-methoxyphenyl)-1-phenyl-3-heptanone]. Also contains flavonoids: galangin, quercetin, kaempferol, kaempferide, isorhamnetin, quercetin-5-methyl ether (quercetin-5-methylether), galangin-3-methyl ether, may also contain rhamnocitrin and 7-hydroxy-3,5-dimethoxyflavone ( 7-hydroxy-3,5-dimethoxyflavone). It also contains volatile oils containing: 1,8-cineole, eugenol, pinene, cadinene, and methylcinnamate. The root still contains [beta]-sitosterol-[beta]-glucoside, stigmasterol-[beta]-glucoside, campestrol-[beta]-glucoside.
In addition: rhizomes contain volatile oil 0.5% ~ 1.5%, of which the main components of 1,8-Cineole (1,8-Cineole), Methyl cinnamate (Methyl cinnamate), also contains eugenol (Eugenol), Pinene and Cadinene. The rhizome contains Galangin, Kaempferide, Kaempferol, Quercetin, Isorhamnetin, Galangol.
The rhizome contains 0.5-1.5% of essential oil, and the main components of the oil are terpene, olein (Cineole), vinegar vinegar, and Galangol. According to reports, there are 14 flavonoids reported in the literature. The following seven types of structures have been confirmed: (1) Quercetin (C15H1007), (2) Kaempferol (C15H1008), (3) Quercetin-3 - Quercetin-3-methyl ether, (4) isorhamnetin, (5) 4'-methyl kaempferol, (Kaempferide, C16H1208), (6) Galangin, C15H1005), (7) Galangin-3-methyl ether. In addition, it still contains starch, tannins and fats.
Galangal - Medication taboo
"Yunnan Herbal Medicine": "Stomach fever is not allowed."
Yin deficiency and heat are not allowed. "Ben Cao Jing Shu": "Stomach fire vomiting, typhoid fever, diarrhea, diarrhea, guilty heartache, method of bogey."
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