发酵大豆奶中的关键风味化合物的对感官属性的影响:将电子感官技术与GC-MS分析集成
Lina Zong1,2, Hengxian Qu1,2, Wenqiong Wang1,2
1College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China.
Food chemistry: X
|July 21, 2025
概括
这项研究使用电子鼻子和GC-MS来分析发酵大豆奶的风味. 确定了关键的芳香和非香味化合物,有助于评估和优化风味质量.
科学领域:
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
- 感官科学 感官科学
背景情况:
- 发酵大豆奶的味道是复杂的,对于消费者接受至关重要.
- 描述挥发性化合物对于理解和控制风味概况至关重要.
研究的目的:
- 用综合分析技术来描述发酵混合大豆奶的风味特征.
- 识别影响感官属性的关键芳香增强和淡味化合物.
- 评估电子鼻子和GC-MS在风味质量评估中的有效性.
主要方法:
- 电子鼻子 (E-nose) 与头部空间固相微提取气色谱质谱学 (HS-SPME-GC-MS) 的整合.
- 应用直角部分最小方形差异分析 (OPLS-DA) 进行风味特征的区分.
- 气味活性值 (OAV) 分析以选关键风味化合物.
主要成果:
- 电子鼻子和OPLS-DA在发酵大豆奶样本中有效地区分了整体风味特征.
- GC-MS确定了48种挥发性化合物,其中13种关键化合物 (OAV>1) 被确定为关键的风味贡献者.
- 特定的化合物如1-octanol,2,3-butanedione,acetoin,hexanoic acid,1-hexanol和decanal被确定为显著的香味增强剂或非风味贡献者.
结论:
- 结合的E-nose和GC-MS方法提供了一个强大的方法来表征发酵大豆奶的味道.
- 了解特定挥发性化合物的贡献对于优化发酵大豆牛奶风味质量至关重要.
- 这项研究为发酵大豆奶产品的开发和质量控制提供了宝贵的见解.
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