METHOD FOR IMPROVING ABSORBABILITY OF MYRICETIN IN THE BODY

WIPO Patent Application WO/2007/105547

A1

The invention provides methods for improving the absorbability and antioxidant ability of myricetin in the body. Either of the methods can be achieved by binding one or a plurality of glucosyl groups to the oxygen atom at the 3 or 3' position of myricetin.Further, the invention provides an antioxidant in the body which is excellent in absorbability in the body and exerts an antioxidant action effectively in the body and an oral composition which contains the antioxidant as an active ingredient. The antioxidant in the body is characterized by containing, as an active ingredient, glycosyl myricetin in which one or a plurality of glucosyl groups are bound to the oxygen atom at the 3 or 3' position of myricetin.

SHIMIZU RYOSUKE (JP)
KAI TOMOKO (JP)
MORIWAKI MASAMITSU (JP)
TANAKA RIE (JP)
NAKAMURA MIKIO (JP)

PCT/JP2007/054355

September 20, 2007

March 06, 2007

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SAN EI GEN FFI INC (JP)
SHIMIZU RYOSUKE (JP)
KAI TOMOKO (JP)
MORIWAKI MASAMITSU (JP)
TANAKA RIE (JP)
NAKAMURA MIKIO (JP)

A61K31/7048; A23L1/30; A61P39/06; C07H17/07

JPH0994077A

1997-04-08

PRATT D.E.: "Lipid Antioxidants in Plant Tissue", J. FOOD SCI., vol. 30, no. 5, 1965, pages 737 - 741, XP003017816
YEOM S.-H. ET AL.: "Phenolic Compounds from Seeds of Astragalus sinicus and Its Antioxidative Activities", KOR. J. PHARMACOGN., vol. 34, no. 4, 2003, pages 344 - 351, XP003017817

SAEGUSA, Eiji et al. (1-7-1 Doshomachi, Chuo-k, Osaka-shi Osaka 4, JP)

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