柠檬酸精制；
论述了具有焦糖脱色能力的颗粒活性炭(GAC)在柠檬酸溶液脱色精制应用中的再生处理方法。
The regenerating method of granular activated carbon (GAC) capable of caramel decoloration used for decolorizing and refining citric acid solution was investigated.
总黄酮精制物的超氧阴离子自由基清除能力与柠檬酸相当。
The O2 - · scavenging effect of the refined extract was similar to citric acid.
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