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Any of a large group of water-soluble antioxidant polyphenolic plant compounds, including the isoflavones, that are found chiefly in leguminous plants.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Isoflavonoid conjugates and their response to developmental change and abiotic stress in alfalfa (Medicago sativa L.).
Root isoflavonoid response to grafting between wild-type and nodulation-mutant soybean plants.
A similar but more recent study did not find significant differences in soy protein intake or urinary excretion levels of daidzein or genistein between breast cancer cases and their controls in Shanghai; however, total isoflavonoid levels in urine were lower in the breast cancer cases (73).
Isolation and purification of flavonoid and isoflavonoid compounds from the pericarp of Sophora japonica L.
Rotenone, as an isoflavonoid of plant secondary metabolity, is the most important and effective insecticidal constituent of derris root, which was first isolated in 1895 [1], and it is a specific inhibitor of mitochondrial complex I by blocking electron transfer in nicotinamide adenine dinucleotide diaphorase-quinone (NADH-Q) reductase [2, 3].
Among the isoflavonoid biosynthesis genes of Sophorae Radix (Figure 2(d)), SfIFS was expressed at the highest levels in R, SL, ML, LL, and F but at lower levels in the stems, regardless of age.
The structures of flavonoid, isoflavonoid, genistein, and biochanin A are shown in Figure 1.
The most abundant defense substances in soybean are the flavonoid rutin and the isoflavonoid genistein (Hoffmann-Campo et al.
Genistin, a 7-0 glycoside form of the aglycone genistein [34], is involved in the isoflavonoid pathway and significantly accumulates in the roots during the course of water stress.
Transcriptome analysis reveals a critical role of CHS7 and CHS8 genes for isoflavonoid synthesis in soybean seeds.