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Molecules 2010, 15(8), 5153-5161; doi:10.3390/molecules15085153
Article

Synthesis of β-Maltooligosaccharides of Glycitein and Daidzein and their Anti-Oxidant and Anti-Allergic Activities

1,*  and 2,*
Received: 10 June 2010; in revised form: 25 July 2010 / Accepted: 27 July 2010 / Published: 29 July 2010
(This article belongs to the Special Issue Antioxidants)
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Abstract: The production of β-maltooligosaccharides of glycitein and daidzein using Lactobacillus delbrueckii and cyclodextrin glucanotransferase (CGTase) as biocatalysts was investigated. The cells of L. delbrueckii glucosylated glycitein and daidzein to give their corresponding 4'- and 7-O-β-glucosides. The β-glucosides of glycitein and daidzein were converted into the corresponding  β-maltooligosides by CGTase. The 7-O-β-glucosides of glycitein and daidzein and 7-O-β-maltoside of glycitein showed inhibitory effects on IgE antibody production. On the other hand, β-glucosides of glycitein and daidzein exerted 2,2-diphenyl-1-picrylhydrazyl (DPPH) free-radical scavenging activity and supeoxide-radical scavenging activity.
Keywords: glycitein; daidzein; β-maltooligosaccharides; anti-allergic activity; anti-oxidant activity glycitein; daidzein; β-maltooligosaccharides; anti-allergic activity; anti-oxidant activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Shimoda, K.; Hamada, H. Synthesis of β-Maltooligosaccharides of Glycitein and Daidzein and their Anti-Oxidant and Anti-Allergic Activities. Molecules 2010, 15, 5153-5161.

AMA Style

Shimoda K, Hamada H. Synthesis of β-Maltooligosaccharides of Glycitein and Daidzein and their Anti-Oxidant and Anti-Allergic Activities. Molecules. 2010; 15(8):5153-5161.

Chicago/Turabian Style

Shimoda, Kei; Hamada, Hiroki. 2010. "Synthesis of β-Maltooligosaccharides of Glycitein and Daidzein and their Anti-Oxidant and Anti-Allergic Activities." Molecules 15, no. 8: 5153-5161.



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