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木薯渣组蛋白及无机盐含量较低,与麸、米糠混合或同时添加无机氮源及无机盐,可作为发酵培养基合成植酸酶。高浓度的磷抑制植酸酶的合成。最佳发酵条件为:木薯渣为唯一碳原,添加2%NH4NO3,0.01% K2HPO4,0.05% MgSO4·7H20,0.05% KCI,0.01% FeSO4·7H20,0.9%SDS,培养基水分含量60%~65%,10g木薯渣/250mL三角瓶,接种量为2mL菌悬液(2