Phaffia rhodozyma mutants, process for the production of beta-caroten and use of a beta-caroten rich biomass.

摘要

The subject of the present invention is Phaffia rhodozyma mutants which are blocked in the step for conversion of beta -carotene in the astaxanthin biosynthetic route. The present invention also relates to a process for the production of beta -carotene using these mutants, for use in the preparation of food, cosmetic or pharmaceutical products.