We should select essential amino acids as nitrogen source.
以必需氨基酸为氨源。
The biomass of Chlorella vulgaris was increased without influence on its chlorophyll content when nitrate was used as nitrogen source.
在以硝酸盐为氮源时，谷氨酸可增加小球藻的生物量，对叶绿素含量无明显影响。
In this research, compound amino acids (glutamic acid and arginine) were added in litchi juice as nitrogen source and their effects on the fermentation progress were studied.
研究在荔枝汁发酵中添加复合氨基酸(谷氨酸、精氨酸)作为氮源物质对发酵进程的影响。
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