| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vitamin E derivative having antioxidation activity and excellent moisture retention. <P>SOLUTION: The invention relates to a vitamin E derivative expressed by general formula (1) (R<SB>1</SB>, R<SB>2</SB>and R<SB>3</SB>are each independently H or methyl; R<SB>4</SB>is H, a lower alkanoyl, a lower alkyl, SO<SB>3</SB>H, P(O)(OH)<SB>2</SB>, CH<SB>2</SB>COOH or COCH<SB>2</SB>CH(SO<SB>3</SB>H)COOH; EO is ethylenoxy group; PO is propylenoxy group; (1) and (n) are each independently 0-30; and (m) is 1-30) and its salt. <P>COPYRIGHT: (C)2004,JPO |
