马拉基亚属的物种和温度依赖的发酵能力,用于创新的造
Benedetta Turchetti1, Giovanni De Francesco2, Gianmarco Mugnai1
1Department of Agriculture, Food and Environmental Sciences & Industrial Yeasts Collection DBVPG, University of Perugia, Borgo XX Giugno, 74, 06121 Perugia, Italy.
Food research international (Ottawa, Ont.)
|June 14, 2023
概括
本研究探讨了用于造的非传统酵母,研究了Mrakia物种.
科学领域:
- * 食品微生物学 食品微生物学
- * 发酵科学 发酵科学
- * 酵母分类学 酵母分类学
背景情况:
- * 非传统酵母为新酒生产提供了潜力,但面临监管障碍.
- *目前的研究主要集中在Ascomycetous酵母,对Basidiomycetous taxa的探索有限.
- *安全评估和分类识别对于将新造酵母商业化至关重要.
研究的目的:
- * 为了评估13个Mrakia物种在Basidiomycota属中的发酵能力.
- *将发酵性能与Mrakia物种的分类学分类联系起来.
- * 扩大造应用的基础菌酵母的多样性.
主要方法:
- *对13个Mrakia物种的遗传学分析.
- *发酵试验评估了糖消耗,乙醇生产和挥发性概况.
- *与商业低酒精酒开头剂 (Saccharomycodes ludwigii WSL 17) 的比较.
主要成果:
- *Mrakia物种分为三个不同的群体,具有不同的发酵能力.
- * M. gelida 集群表现出优越的乙醇,更高的酒精和产量.
- * 菌株M.blollopis DBVPG 4974表现出高耐乙醇耐受性,酸性生产和相反的温度依赖发酵.
结论:
- *Mrakia物种,特别是M. gelida集群中的物种,显示出作为非传统造酵母的前景.
- * M. blollopis DBVPG 4974 具有独特的特征,适合特定的造条件.
- *进一步研究基菌酵母生理学可以解锁酒的新特性.
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