叶黄素
小球藻
光合反应器
生物过程
生物量(生态学)
食品科学
小球藻
盐度
生产力
微量营养素
化学
类胡萝卜素
生物技术
植物
生物
农学
藻类
生态学
有机化学
经济
古生物学
宏观经济学
作者
Akash Pralhad Vadrale,Cheng–Di Dong,Dibyajyoti Haldar,Chien-Hui Wu,Chiu-Wen Chen,Reeta Rani Singhania,Anil Kumar Patel
标识
DOI:10.1016/j.biortech.2023.128583
摘要
Present study focused on optimizing bioprocess condition for microalgal lutein production. From previous baseline yields of biomass (3.46 g/L) and lutein (13.7 mg/g), this study examined few key parameters. The 3X:3X ratio macro- and micronutrients was the most affecting parameter with highest biomass and lutein yields of 4.61 g/L and 14.3 mg/g. Temperature 30 °C enhanced the lutein up to 17.3 mg/g but reduced the biomass to 3 g/L. The light effects study showed 10 k lux was most effective for lutein up to 14 mg/g, and effect of increasing salinity (25–75 %) was detrimental. All the above parameters' optimization resulted in a lipid content of 22.5–26.5 %. A maximum lutein productivity and yield of 0.451 mg/L/d and 65.74 mg/L with a 3X:3X macro- and micronutrient ratio was achieved. The Chlorella sorokiniana Kh12 strain exhibited one of the highest yields among recent reports; hence it could be a source for commercial lutein production.
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