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Isolation and optimization of production of Astaxanthin from Antarctic yeast Rhodotorula sp. NJ298 总被引:1,自引:0,他引:1
刘均玲 《高技术通讯(英文版)》2007,13(1):103-108
Rhodotorula sp. NJ298 which could produce carotenoids was isolated from Antarctic sea ice. The major carotenoid was identified as astaxanthin by Liquid Chromatography/Mass Spectrometry (LC/MS), and its content accounted for 87.62% of total carotenoids (1,786 μg/g). High Performance Liquid Chromatogrephy (HPLC) analysis showed that the purity of the astaxanthin reached about 96.16% through a simple purification. Maximum astaxanthin production (1,908 μg/g) was obtained when the yeast was grown at 10 ℃ in seawater medium containing 5 g/L sodium acetate, 5 g/L peptone, 0.5 g/L NaCl, 0.01 g/L KH2PO4; 0.01 g/L MgSO4·7H2O and 0.001 g/L FeSO4·7H2O at pH 7.5. 相似文献
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