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  • Title: Glycosylation of hesperetin by plant cell cultures.
    Author: Shimoda K, Hamada H, Hamada H.
    Journal: Phytochemistry; 2008 Mar; 69(5):1135-40. PubMed ID: 18160083.
    Abstract:
    The biotransformation of hesperetin by cultured cells of Ipomoea batatas and Eucalyptus perriniana was investigated. Three glycosides, hesperetin 3'-O-beta-D-glucopyranoside (33 microg/g fr. wt of cells), hesperetin 3',7-O-beta-D-diglucopyranoside (217 microg/g fr. wt of cells), and hesperetin 7-O-[6-O-(beta-D-glucopyranosyl)]-beta-d-glucopyranoside (beta-gentiobioside, 22 microg/g fr. wt of cells), together with three hitherto known glycosides, hesperetin 5-O-beta-d-glucopyranoside (23 microg/g fr. wt of cells), hesperetin 7-O-beta-D-glucopyranoside (57 microg/g fr. wt of cells), and hesperetin 7-O-[6-O-(alpha-L-rhamnopyranosyl)]-beta-D-glucopyranoside (beta-rutinoside, hesperidin, 13 microg/g fr. wt of cells), were isolated from cultured suspension cells of E. perriniana that had been treated with hesperetin. Oligosaccharide chains were regioselectively formed at the C-7 position of hesperetin to afford beta-gentiobioside and beta-rutinoside. On the other hand, cultured I. batatas cells converted hesperetin into hesperetin 3'-O-beta-D-glucopyranoside (60 microg/g fr. wt of cells), hesperetin 5-O-beta-D-glucopyranoside (23 microg/g fr. wt of cells), and hesperetin 7-O-beta-D-glucopyranoside (110 microg/g fr. wt of cells).
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