发明名称 IMPROVED PIGMENTING EFFICIENCY OF A NATURAL XANTHOPHYLL BY ISOMERIZATION
摘要 <p>A method of isomerizing lutein to yield a mixture of epimers of zeaxanthin includes the following steps: mixing a lutein-containing extract in a glycol solution to obtain a mixture, treating the mixture with alkali to obtain an alkali-containing mixture, reacting the alkali-containing mixture in the presence of heat for a duration consistent with achieving a desired level of isomerization of lutein to zeaxanthin.</p>
申请公布号 WO1999003830(A1) 申请公布日期 1999.01.28
申请号 IB1998001427 申请日期 1998.07.17
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