对发酵培养基进行了研究，淀粉、酵母粉是阿维菌素发酵的最合适碳源物质和氮源物质；
Starch and yeast powder are the best carbon source and nitrogen source through studies on fermentation culture medium.
结果与其他口腔中常见氮源物质相比，尿素可以促进内氏放线菌生长，获得更高的A值；
Results:In contrast with other nitrogen sources, Actinomyces naeslundii could be cultured by urea and higher final A value of the bacteria was obtained;
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。
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.
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