藤条
藻类
六烯酸
发酵
残留物(化学)
酵母抽提物
食品科学
化学
生物
植物
生物技术
多不饱和脂肪酸
脂肪酸
生物化学
糖
作者
Fengwei Yin,Si-Yu Zhu,Dong‐Sheng Guo,Lu–Jing Ren,Xiao‐Jun Ji,He Huang,Zhen Gao
标识
DOI:10.1016/j.biortech.2018.09.114
摘要
The aim of this work was to reduce the algae-residue emission and make use of cane molasses as fermentation materials for docosahexaenoic acid (DHA) fermentaion by Schizochytrium sp., which further could cut the cost of DHA production. Algae-residue and cane molasses were respectively used as nitrogen and carbon sources to replace yeast extract and glucose. A significant DHA yield of 18.58 g/L was obtained using algae-residue, while cane molasses could not be used well as sole carbon source due to the presence of undesirable substance. A two-stage culture strategy with glucose followed by pretreated cane molasses as carbon source was developed, resulting in a final DHA yield of 15.22 g/L. This study therefore offers an economical and green strategy for DHA production by Schizochytrium sp.
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