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Nutrients 2010, 2(2), 171-180; doi:10.3390/nu2020171
Article

Production of Hesperetin Glycosides by Xanthomonas campestris and Cyclodextrin Glucanotransferase and Their Anti-allergic Activities

1,*  and 2,*
1 Department of Chemistry, Faculty of Medicine, Oita University, 1-1 Hasama-machi, Oita 879-5593, Japan 2 Department of Life Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama 700-0005, Japan
* Authors to whom correspondence should be addressed.
Received: 7 January 2010 / Accepted: 1 February 2010 / Published: 9 February 2010
(This article belongs to the Special Issue Feature Papers for Vitamins)
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Abstract

The production of hesperetin glycosides was investigated using glycosylation with Xanthomonas campestris and cyclodextrin glucanotransferase (CGTase). X. campestris glucosylated hesperetin to its 3'-, 5-, and 7-O-glucosides, and CGTase converted hesperetin glucosides into the corresponding maltosides. The resulting 7-O-glucoside and 7-O-maltoside of hesperetin showed inhibitory effects on IgE antibody production and on O2- generation from rat neutrophils.
Keywords: Hesperetin; Xanthomonas campestris; cyclodextrin glucanotransferase; glycoside; anti-allergic activity Hesperetin; Xanthomonas campestris; cyclodextrin glucanotransferase; glycoside; anti-allergic activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Shimoda, K.; Hamada, H. Production of Hesperetin Glycosides by Xanthomonas campestris and Cyclodextrin Glucanotransferase and Their Anti-allergic Activities. Nutrients 2010, 2, 171-180.

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