苹果酸发酵
植物乳杆菌
葡萄酒
发酵
食品科学
葡萄酒故障
乙醛
化学
酿酒发酵
乳酸
酒明串珠菌
乳酸菌
酿酒酵母
乙醇发酵
细菌
生物化学
酵母
生物
乙醇
酿酒酵母
遗传学
作者
Shaoyang Wang,Siyu Li,Huanxin Zhao,Pan Gu,Yuqi Chen,Bolin Zhang,Baoqing Zhu
标识
DOI:10.1016/j.foodres.2018.03.032
摘要
This study investigated the evolution of acetaldehyde and pyranoanthocyanins in wine during malolactic fermentation, and further evaluated the correlation between acetaldehyde and pyranoanthocyanins. Cabernet Gernischt wine after alcoholic fermentation was inoculated with four lactic acid bacteria strains. Malolactic fermentation kinetics and wine characteristics were compared. Results showed these strains exhibited different kinetics on wine malolactic fermentation. Wine with Lactobacillus plantarum had lower reducing sugar, total acid, and yellowness. Lactobacillus plantarum elevated the level of acetaldehyde in wine model medium and wine during malolactic fermentation. Malolactic fermentation using Lactobacillus plantarum significantly increased the concentration of pyranoanthocyanins, whereas O. oeni strain reduced the level of pyranoanthocyanins in wine. Polymerized anthocyanins percentage in wine was significantly enhanced after fermentation with Lactobacillus plantarum. Principal component analysis indicated that the characteristics of these strains inoculated wines after malolactic fermentation were segregated. The findings from this study could provide useful information on the wine color improvement through malolactic fermentation with suitable lactic acid bacteria strains.
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