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Dissection of Saccharomyces Cerevisiae Asci
Published on: May 19, 2009
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在葡萄酒制造中使用本土的Saccharomyces cerevisiae菌株进行单次或双次注射
Ioanna Chalvantzi1,2, Athanasios Mallouchos3, Georgios Banilas2
1Hellenic Agricultural Organization "Dimitra", Institute of Technology of Agricultural Products, Sofokli Venizelou 1, 14123 Lykovryssi, Greece.
Letters in applied microbiology
|November 21, 2023
概括
土著酵母菌株 (Saccharomyces cerevisiae) 可以增强葡萄酒的复杂性. 使用这些本土酵母的混合培养创造了独特的葡萄酒形状,为酒商提供了多样化产品的新途径.
科学领域:
- 葡萄酒学 葡萄酒学 葡萄酒学
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
背景情况:
- 本土的Saccharomyces cerevisiae菌株为葡萄酒的多样化和感官复杂性提供了独特的潜力.
- 细菌菌株的区域遗传和表型变异可以影响发酵和葡萄酒的特性.
研究的目的:
- 评估两种土著希腊Saccharomyces cerevisiae菌株单独或组合对葡萄酒发酵动力学和品质的影响.
- 分析单种和混合品种发酵对葡萄酒的代谢活动和感官特征的影响.
主要方法:
- 使用来自希腊葡萄酒地区的两种不同的土著S. cerevisiae菌株进行单种和混合种植的发酵.
- 分析了酵母菌株的发酵动力学和代谢活动.
- 评估产生的葡萄酒的化学和感觉特征,重点关注影响体感性质的关键代谢物.
主要成果:
- 这两种S. cerevisiae菌株对发酵动力学和发酵结果产生了不同的影响.
- 观察到关键代谢物的产生有显著差异,包括挥发性酸性,乙,和烯.
- 混合培养发酵与单一培养相比,产生了不同的化学和感觉特征,其中一些代谢物增强 (例如,异胺酸),而其他代谢物则被抑制 (例如,乙酸).
结论:
- 本土的S. cerevisiae菌株具有显著的潜力,可以使本地葡萄酒区分开来,并提高其复杂性.
- 菌的混合培养注射剂可以产生新的葡萄酒特性,为葡萄酒制造商提供产品多样化的创新选择.
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