| 摘要 |
<p>Process for the preparation of carotenoid having general formula (I) and pigments which contain said compound as basic component. They are obtained by reacting natural or synthetic compounds having general formula (II), or the plant extracts which contain some of said compounds as basic components, wherein R and R', which are similar or different, represent hydrogen, lower acyl, fatty acyl or a hydroxyl protector group, with an alkaline reagent in organic medium, oxidation and subsequent reduction of the resulting product in order to obtain the racemic mixture.</p> |
