Research Progress in the Synthesis of Astaxanthin by Yeast
Astaxanthin is a crimson ketone carotene,which is mainly produced by algae,bacteria and phytoplankton.As a natural pigment and antioxidant,it is widely used in daily chemical products,pharmaceutical industry,food health industry,aquatic animal husbandry.Compared with natural extraction and chemical synthesis,the heterologous synthesis of astaxanthin by heterologous microorganisms is a green,economical and efficient method.The biosynthetic pathway of astaxanthin was introduced,the research status of microbial synthesis of astaxanthin and the engineering strategy of astaxanthin synthesis by yeast were summarized,and the future research prospects were discussed.
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