Wine is one of the most popular alcoholic beverages which is prepared by the fermentation of grape juice. Red wine is made up of the black varieties of grapes that are highly pigmented and are rich in anthocyanin and tannins. Aging of the fermented wines gives the wine their unique color which varies from brick red (for mature wine) to darker brown for older wines. Red wines are stored in barrels for aging and to further increase the alcohol content to the desired level. Red wines are found to b 更多
