| 摘要 |
The present invention relates to a process for the preparation of an xanthophyll, and in particular to a process for the preparation of an xanthophyll through the oxidation of a carotenoid in the presence of hydrogen peroxide and an iodine-containing compound. In particular, the process of the invention applies to the oxidation of beta -carotene to produce canthaxanthin, and to the oxidation of lutein or zeaxanthin to produce astaxanthin.
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