[Constituents of the seed coat of Arachis hypogaea L].
From the seed coat of Arachis hypogaea two compounds were isolated. They were identified as the dimer of proanthocyanidin-A type(I) and D-(+)-catechin (II) on the basis of UV, IR, MS, CD, 1H-NMR, 13C-NMR and chemical evidences. It has been found that II is the effective constituent of this plant and I has some active effects as well.
Department of Chinese Pharmacy, Shanghai College of Traditional Chinese Medicine.
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Dai
D000872:Anthocyanins / Q000302:isolation & purification*; D010367:Arachis; D002392:Catechin / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D044945:Proanthocyanidins; D013237:Stereoisomerism
D000872:Anthocyanins; D004365:Drugs, Chinese Herbal; D044945:Proanthocyanidins; C013221:proanthocyanidin; D002392:Catechin