The content of flavonoids in waste liquid of alcohol production from sugarcane molasses was determined by spectrophotometry using rutin as standard substance.

以芦丁为标准物质，用分光光度法测定了甘蔗糖蜜酒精废液中黄酮类化合物的含量。

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It is the same whiskey without the addition of water, a standard step in the final production of nearly every spirit, which is done to bring the alcohol content down from the high level at which it leaves the aging casks.

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