now, l-lysine is produced by zymotechnics and its technique is mature, but the down-stream processing such as separation and purification are still weak.
目前,工业上采用发酵法生产l-赖氨酸,工艺成熟。但分离和提纯的下游技术还比较薄弱。
to exploit orange resources, the zymotechnics of orange vinegar was studied.
为开发利用我国的柑桔资源,对柑桔果醋的酿制工艺进行了研究。
the zymotechnics of lotus yogurt and the changes of acidity, reducing sugar, amino acid, lactobacillus number in fermentation process were studied.