| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a red wine exhibiting a brighter dark reddish purple than a conventional red wine, an excellent flavor and a high polyphenol content in a short period of time. SOLUTION: This red wine containing a rich pericarp component is produced by treating an unrefined wine containing grape fruit, grape pericarp, flesh or grape juice by an ultrasonic wave.
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