高产DHA裂壶藻突变株发酵条件的优化Optimization of fermentation conditions of Schizochytrium sp. mutant with high DHA yield

高产DHA裂壶藻突变株发酵条件的优化Optimization of fermentation conditions of Schizochytrium sp. mutant with high DHA yield

为了进一步提高裂壶藻突变株的DHA产量，以经过60Co-γ射线辐照诱变后所得高产DHA裂壶藻突变株1.6-7-1为研究对象，通过Plackett-Burman实验、最陡爬坡实验和响应面实验对其发酵培养基进行优化，同时通过发酵罐发酵培养研究不同溶氧水平对突变株代谢的影响。结果表明：葡萄糖、C5H8NNaO4和NaCl添加量对该突变株产DHA具有显著影响，其最佳添加量分别为葡萄糖125.46 g/L、C5H8NNaO4 12.44 g/L、NaCl 4 g/L，在此条件下该突变株DHA产量达6.01 g/L，相较于原始菌株提升了49.88%；在高溶氧水平下，突变株生物量高但油脂产量和DHA产量较低...

সম্পূর্ণ বিবরণ

গ্রন্থ-পঞ্জীর বিবরন
প্রধান লেখক:	丁云朋1，吕小义1，李恒彬1，杨永2,3，张寒1，胡博1，高盼1,3,4，胡传荣1,3，何东平1,3,4，钟武1,3,4 DING Yunpeng1, LYU Xiaoyi1, LI Hengbin1, YANG Yong2,3, ZHANG Han1, HU Bo1, GAO Pan1,3,4, HU Chuanrong1,3, HE Dongping1,3,4, ZHONG Wu1,3,4
বিন্যাস:	প্রবন্ধ
ভাষা:	English
প্রকাশিত:	中粮工科（西安）国际工程有限公司 2023-12-01
মালা:	Zhongguo youzhi
বিষয়গুলি:	dha；裂壶藻；突变株；发酵条件优化 dha; schistochytrum sp. ; mutant strain; optimization of fermentation conditions
অনলাইন ব্যবহার করুন:	http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20231221&flag=1

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