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小球藻的异养生长及培养条件优化
张丽君;杨汝德;肖恒
1.华南理工大学食品与生物工程学院;2.华南理工大学食品与生物工程学院 广东广州510640;3.广东广州510640
摘要:
对小球藻异养培养中的碳源、氮源、微量元素—镁离子以及其他培养条件的影响进行了探讨 ,并测定了小球藻的生长曲线。优化结果 :C∶ N为 4∶ 1~ 5∶ 1 ,硫酸镁的量为 1 g/L;培养条件为 :p H6~ 7,接种量1 0 % ,温度 3 0°C。在此条件下 ,异养培养小球藻 ,其 OD值可达 1 8,蛋白质为 3 0 % ,叶绿素含量为 1 .2 %。
关键词:  小球藻    异养培养    生物量
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