The C-glucosyl bond of puerarin was cleaved hydrolytically by a human intestinal bacterium strain PUE to yield its aglycone daidzein and an intact glucose - Nakamura, K; Nishihata, T; Jin, J S; Ma, C M; Komatsu, K; Iwashima, M; Hattori, M (Chem Pharm Bull, 2011)