通过Hanseniaspora uvarum对葡萄酒香味进行修改:用于选潜在混合开启剂的多步策略
Zhong Zhang1,2, Huiqing Wang3, Hongchuan Xia3,4
1School of Life Sciences, Ningxia University, Yinchuan, Ningxia 750021, China.
Food chemistry: X
|December 25, 2023
概括
一种常见的葡萄园酵母,Hanseniaspora uvarum,可以增强葡萄酒的发酵. 与Saccharomyces cerevisiae的联合注射增强了可取的 Ester,并减少了葡萄酒中的酸.
科学领域:
- 葡萄酒学和葡萄种植
- 微生物学 微生物学
背景情况:
- 汉斯尼亚斯波拉卵子是一种广泛传播的葡萄园酵母,其发酵潜力未得到充分利用.
- 了解其人口动态对于优化葡萄酒生产至关重要.
研究的目的:
- 为了研究H. uvarum在卡伯内特索维尼翁自发发酵过程中的动态.
- 为了隔离和评估一种本土的H. uvarum菌株,以提高葡萄酒发酵.
主要方法:
- 使用文化依赖和文化独立的方法来追踪酵母种群.
- 多步查发现了一种有前途的H. uvarum菌株 (QTX-C10).
- 与Saccharomyces cerevisiae进行了联合注射实验.
主要成果:
- 在非Saccharomyces酵母种群中,H. uvarum占主导地位 (77.49%).
- 与QTX-C10的同时注射显著增加了卡伯内索维尼翁和查多内葡萄酒中的乙烯 (48.54%-110.92%) 的含量.
- 在这两种葡萄酒中,乙酸含量减少了10.81%-17.78%.
结论:
- 汉斯尼亚斯波拉卵子菌株QTX-C10在与Saccharomyces cerevisiae混合发酵中是有效的.
- 这种策略通过增加可取的风味化合物和减少腐烂指标来提高葡萄酒质量.
- 这些发现支持使用特定的H. uvarum菌株进行增强葡萄酒生产.
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