Astaxanthin hyperproduction by Phaffia rhodozyma (now Xanthophyllomyces dendrorhous) with raw coconut milk as sole source of energy

被引:47
作者
Domínguez-Bocanegra, AR
Torres-Muñoz, JA
机构
[1] CINVESTAV, Dept Biotechnol & Bioengn, Mexico City 07300, DF, Mexico
[2] CINVESTAV, Dept Automat Control, Mexico City 07300, DF, Mexico
关键词
D O I
10.1007/s00253-004-1686-3
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Natural carbon sources, such as those present in cane sugar molasses and grape juice, promote the synthesis of astaxanthin in different Phaffia rhodozyma yeasts. One of these, coconut milk, has a very rich nutrient composition. The aim of this work was to investigate the utility of coconut milk as sole source of energy for astaxanthin pigment production by P. rhodozyma strains. Currently, coconut pulp is widely used in industrial processes in Mexico for the production of shampoos, candies, food, etc. However, coconut milk is a waste product. We show that coconut milk enhances astaxanthin production. The fermentation yielded 850 mug/g yeast with the NRRL-10921 wild-type strain and 1,850 mug/g yeast with the mutated R1 strain. Production was better than reported results employing other natural carbon sources.
引用
收藏
页码:249 / 252
页数:4
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