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A new isoflavonoid glycoside, gehuain, together with three flavonoids and eight isoflavonoids, was isolated from the flowers of Pueraria lobata. Three of them, apigenin, apigenin 4′‐O‐β‐D‐glucoside, and wistin, were reported the first time from this plant. Their structures were established on the basis of spectral evidence.
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Ding et al. (2004) studied this question.
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