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玉米漿濃度對賴氨酸産酸的影響

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赖氨酸目前大都采用大肠杆菌进行发酵，产酸可高达190g/L，转化率67%。菌体量相对很大，对玉米浆的使用量一般为40g/L左右。同时为保证氮源供给，主要以豆粕水解液、硫酸铵作为补充氮源。

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