| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing reduced coenzyme Q10 , suitable for effectively producing the coenzyme which is useful for a foodstuff, nutritively functional food, physiologically functional food, auxiliary nutrient, nutrient, animal medicine, beverage, feed, cosmetics, medicine therapeutic agent, prophylactic, or the like, with high purity on an industrial scale. SOLUTION: This method for crystallizing the reduced coenzyme Q10 comprises adding a liquid phase containing the reduced coenzyme Q10 in a high concentration to a poor solvent having a temperature lower than the solidification temperature of the reduced coenzyme Q10 or the liquid phase.
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