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一种代谢分析方法来描述和区分植物性饮料和牛奶

Gaia Meoni¹, Ingrid Sousa², Leonardo Tenori¹

¹Department of Chemistry "Ugo Schiff," University of Florence, Sesto Fiorentino, Florence, 50019, Italy.

Journal of dairy science

|April 19, 2025

概括

质子核磁共振 (1H NMR) 谱学可以验证植物性饮料 (PBB) 和乳制品牛奶的真实性. 胆和瓜诺辛等关键代谢物区分PBB,而其他代谢物则识别特定的牛奶类型.

科学领域:

食品科学食品科学食品科学
分析化学分析化学
代谢学代谢学代谢学

背景情况:

越来越多的消费者对植物性饮料 (PBB) 的需求需要对其真实性和营养状况进行研究.
关于各种PBB的功能性质,代谢概况和歧视潜力的数据有限.
验证方法对于在不断增长的 PBB 市场上确保产品完整性至关重要.

研究的目的:

评估质子核磁共振 (1H NMR) 光谱法,以区分乳制品 (奶牛,山羊) 和不同的植物性饮料 (PBB) 宏观群体.
通过使用它们的代谢资料来确定负责区分牛奶和 PBB 宏观群体的关键代谢物.
评估1HNMR光谱作为PBB的身份验证工具的潜力.

主要方法:

牛奶,山羊奶和各种PBB (以大豆,杏仁,子,大米,麦为基础) 的分析,使用1HNMR光谱学.
获取每个饮料类型的代谢资料.
统计分析包括曼·惠特尼U测试和部分最小平方差异分析 (PLS-DA) 来识别歧视性代谢物.

主要成果:

关键代谢物如尿素二酸葡萄糖和腺因被确定用于区分牛奶和山羊奶.
发现胆和瓜诺辛是区分不同 PBB 宏观群体的重要标记.
乳糖被确定为区分乳制品牛奶与 PBB 的关键代谢物.

结论:

一小时的NMR光谱显示出作为一种方法来验证和营养分析PBB的承诺.
该研究成功地确定了用于区分牛奶和各种PBB类型的特定代谢物.
这些发现为进一步研究PBB真实性和代谢分析提供了基础.

关键词:

这是NMR的NMR.认证的真实性认证的真实性营养营养营养营养基于植物的替代品.

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