由于所有B12都来自细菌，缺了昆虫很容易由强化食品和补充剂中商业发酵细菌产生的B12来弥补。
As all B12 comes from bacteria, the absence of insects is readily compensated for by using B12 produced by bacteria in commercial fermenters and used in fortified foods and supplements.
如果没有这些谷物的补充，发酵过程中酵母菌的限制营养因子或许是蛋白质。
Without these adjunct cereals the limiting nutritional factor for yeast in fermentation would be protein.
如果没有这些谷物的补充，发酵过程中酵母菌的限制营养因子或许是蛋白质。
Without these adjunct cereals, the limiting nutritional factor for yeast in fermentation would be protein.
通过实验结果分析表明，利用药媒—2000作为青霉素发酵生产上的补充氮源。其发酵水平优于其它氮源。
The results showed that bionitrogen was better than the corn protein for its improving the penicillin production about 10% and being cheaper.
通过实验结果分析表明，利用药媒—2000作为青霉素发酵生产上的补充氮源。其发酵水平优于其它氮源。
The results showed that bionitrogen was better than the corn protein for its improving the penicillin production about 10% and being cheaper.
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