在机器学习的帮助下,揭示了Pichia kluyveriveri在酒发酵过程中通过无机的芳香调节
Yuxiang Zhang1, Lixiang Zhang1, Weiyi Fan1
1College of Food Science and Technology, Northwest University, Xi'an 710069, Shaanxi, China; Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering, Xi'an 710069, Shaanxi, China.
Food research international (Ottawa, Ont.)
|February 7, 2026
概括
优化酒风味包括管理用于Pichia kluyveri发酵的无机源. 的类型和度显著影响酵母的生长和生产关键的芳香化合物,如.
科学领域:
- 葡萄酒学和发酵科学 葡萄酒学和发酵科学
- 酵母生物技术 酵母生物技术
- 食品化学 食品化学
背景情况:
- 非Saccharomyces酵母,如Pichia kluyveri,增强了雪茄的芳香复杂性.
- 了解对酵母发酵的影响对于质量控制至关重要.
研究的目的:
- 调查无机源和度如何影响Pichia kluyveri发酵性能和香味产生.
- 为了识别由影响的关键芳香化合物,并优化酒的味道.
主要方法:
- 使用Pichia kluyveri X31-10和Saccharomyces cerevisiae WLS21进行各种无机源 (NH4Cl, (NH4) 2SO4, (NH4) 2HPO4) 和度 (140和200毫克YAN/L) 的发酵试验.
- 使用GC-MS和GC-IMS监测酵母生长和分析挥发性化合物.
- 采用机器学习进行芳香分析和差异性化合物的识别.
主要成果:
- 显著影响了酵母的生长和香味的产生,特别是在P. kluyveri. .
- 机器学习识别了对有反应的关键芳香化合物,包括2 - 甲基乙酸,乙二甲酸和乙二甲酸.
- 酸盐和硫酸盐补充剂增强了P. kluyveri的产量,度调节了特定的合成.
结论:
- 无机管理是一种可行的策略,可以使用Pichia kluyveri优化酒风味配置.
- 特定的源和度可以量身定制,以增强所需的芳香化合物,提高酒质量.
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