可解释机器学习集成风味分类与来源归因,用于优化低盐大豆
Xinyun Zhou1, Ting Guo1, Tongquan Li2
1State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China.
Journal of agricultural and food chemistry
|January 23, 2026
概括
开发具有增强风味的低盐大豆 (LSS) 是可能的. 一个集成的triomics模型确定了关键的挥发物和微生物,指导创建一个更健康的LSS,具有理想的感官配置文件.
科学领域:
- 食品科学 食品科学 食品科学
- 发酵技术的发酵技术
- 计算生物学 计算生物学
背景情况:
- 低盐大豆 (LSS) 提供了健康益处,但往往缺乏传统的高盐大豆 (HSS) 和koikuchi大豆 (KSS) 的复杂味道.
- 在LSS中的风味缺陷限制了消费者接受和市场潜力.
- 有针对性的风味增强对于提高LSS质量至关重要.
研究的目的:
- 开发一个综合的三体学模型来指导LSS的风味增强.
- 为了确定关键的挥发性化合物和微生物群落,负责大豆的风味特征.
- 为了创建一个优化的LSS与改进的感觉特征.
主要方法:
- 综合感官分析,挥发性化合物分析 (GC-MS/GC-O) 和微生物群概况 (16S rRNA测序) 的整合.
- 开发和应用XGBoost-SHAP-MMVec计算模型,将感官属性,挥发物和微生物联系起来.
- 使用定义的微生物联盟进行发酵试验,以优化LSS.
主要成果:
- 鉴定了29种具有气味活性的挥发物,这些挥发物有助于六种关键的感官属性 (汁,味,水果,烤肉,花,谷物).
- XGBoost-SHAP模型准确地预测了风味贡献者 (>0.90准确度).
- 一个由五个品种组成的微生物联盟 (Lactiplantibacillus,Staphylococcus,Bacillus,Zygosaccharomyces,Aspergillus) 已被确定并验证用于风味特征生成.
- 以模型为导向的优化导致了增强的LSS,保留了可取的香味,并纳入了类似HSS/KSS的笔记.
结论:
- 综合三体学方法和计算模型提供了一个强大的策略,用于针对性增强发酵食品的味道,如LSS.
- 了解微生物群和挥发性物质之间的相互作用是克服低盐产品风味挑战的关键.
- 这项研究使得开发更健康的发酵食品能够实现,而不会影响感官质量.
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