Identification of the isoflavonic phytoestrogen daidzein in human urine. 1984

C Bannwart, and T Fotsis, and R Heikkinen, and H Adlercreutz

The identification by gas chromatography-mass spectrometry of the isoflavonic phytoestrogen daidzein [7-hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one] for the first time in human urine is described. The metabolism and effect on reproduction of isoflavones in animals and the possible significance of phytoestrogens in man is discussed. Preliminary results on the quantitative excretion of daidzein in female subjects consuming different diets are also reported.

UI MeSH Term Description Entries
D007529 Isoflavones 3-Phenylchromones. Isomeric form of FLAVONOIDS in which the benzene group is attached to the 3 position of the benzopyran ring instead of the 2 position. 3-Benzylchroman-4-One,3-Benzylidene-4-Chromanone,Homoisoflavone,Homoisoflavones,Isoflavone,Isoflavone Derivative,3-Benzylchroman-4-Ones,3-Benzylidene-4-Chromanones,Isoflavone Derivatives,3 Benzylchroman 4 One,3 Benzylchroman 4 Ones,3 Benzylidene 4 Chromanone,3 Benzylidene 4 Chromanones,Derivative, Isoflavone,Derivatives, Isoflavone
D008401 Gas Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. Chromatography, Gas-Liquid-Mass Spectrometry,Chromatography, Gas-Mass Spectrometry,GCMS,Spectrometry, Mass-Gas Chromatography,Spectrum Analysis, Mass-Gas Chromatography,Gas-Liquid Chromatography-Mass Spectrometry,Mass Spectrometry-Gas Chromatography,Chromatography, Gas Liquid Mass Spectrometry,Chromatography, Gas Mass Spectrometry,Chromatography, Mass Spectrometry-Gas,Chromatography-Mass Spectrometry, Gas,Chromatography-Mass Spectrometry, Gas-Liquid,Gas Chromatography Mass Spectrometry,Gas Liquid Chromatography Mass Spectrometry,Mass Spectrometry Gas Chromatography,Spectrometries, Mass-Gas Chromatography,Spectrometry, Gas Chromatography-Mass,Spectrometry, Gas-Liquid Chromatography-Mass,Spectrometry, Mass Gas Chromatography,Spectrometry-Gas Chromatography, Mass,Spectrum Analysis, Mass Gas Chromatography
D002839 Chromans Benzopyrans saturated in the 2 and 3 positions. Dihydrobenzopyrans
D004032 Diet Regular course of eating and drinking adopted by a person or animal. Diets
D005260 Female Females
D005419 Flavonoids A group of phenyl benzopyrans named for having structures like FLAVONES. 2-Phenyl-Benzopyran,2-Phenyl-Chromene,Bioflavonoid,Bioflavonoids,Flavonoid,2-Phenyl-Benzopyrans,2-Phenyl-Chromenes,2 Phenyl Benzopyran,2 Phenyl Benzopyrans,2 Phenyl Chromene,2 Phenyl Chromenes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014675 Vegetables A food group comprised of EDIBLE PLANTS or their parts. Vegetable
D060754 Equol A non-steroidal ESTROGEN generated when soybean products are metabolized by certain bacteria in the intestines. (+-)-Isomer of Equol,3'-Hydroxy-Equol,4'-O-Methyl Equol,4'-methoxy-7-isoflavanol,6'-Hydroxy-Equol,3' Hydroxy Equol,4' O Methyl Equol,4' methoxy 7 isoflavanol,6' Hydroxy Equol,Equol, 4'-O-Methyl

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