这些系统是以柠檬酸为基础添加有机酸、强还原剂和酸螯合剂。

These systems are a citric based solution with additional organic acids, strong reducing agents, and acid chelants.

youdao

结果表明：在常温下以0.5~1%的柠檬酸为提取剂，95%的乙醇为洗脱剂，能达到很好的提取效果。

The results show that better extraction effect can be got by using 0.5-1 % citric acid solution for extraction solution and 95 % alcohol for elution solution at normal room temperature.

youdao

饮料的最佳配方为 ：啤酒酵母自溶液的添加量为 15 % ，白砂糖添加量 4 % ，柠檬酸为 0 .3%。

The best recipe of adding beer-yeast autolysate 15%, crude sugar 4% and citric acid 0.3% is introduced.

youdao