Oligosaccharide profiles as potential biomarkers for detecting adulteration of caprine dairy products with bovine dairy products

IF 9.8 1区农林科学 Q1 CHEMISTRY, APPLIED Food Chemistry Pub Date : 2024-02-01 DOI:10.1016/j.foodchem.2024.138551

Haiyan Wang , Xiaoying Zhang , Yu Yao , Zhenquan Huo , Xiuxiu Cui , Mengjia Liu , Lili Zhao , Wupeng Ge

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Abstract

Adulteration of caprine dairy products raises concerns among consumers. This study aimed to identify the differences in oligosaccharide profiles of caprine dairy products, including raw milk, colostrum powder, and lactose powder, and their corresponding bovine dairy products, and provide new insights for detecting adulteration of bovine dairy products in caprine dairy products. Twenty-seven oligosaccharides were detected in caprine and bovine dairy products. The principal component analysis plot of the oligosaccharide profiles clearly differentiated among the six types of dairy products. Specific oligosaccharides that were most distinctive for caprine and bovine dairy products were identified. Lacto-N-triose (LNTri) could be used as a potential biomarker for distinguishing caprine milk from bovine milk, caprine colostrum powder from bovine colostrum powder, and caprine lactose powder from bovine lactose powder. The results demonstrated that oligosaccharides could be used as biomarkers for detecting bovine dairy products in caprine dairy products, especially caprine lactose powder.

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低聚糖图谱作为潜在的生物标志物，用于检测牛乳制品中掺杂的羊乳制品。

掺假羊乳制品引起了消费者的担忧。本研究旨在确定包括生乳、初乳粉和乳糖粉在内的山羊乳制品与相应的牛乳制品在寡糖谱上的差异，为检测山羊乳制品中牛乳制品的掺假提供新的见解。本次研究共检测到 27 种低聚糖。寡糖图谱的主成分分析图明确区分了六种乳制品。确定了最能体现山羊和牛乳制品特征的特定低聚糖。乳糖-N-三糖（LNTri）可作为一种潜在的生物标记物，用于区分山羊奶和牛乳、山羊初乳粉和牛初乳粉以及山羊乳糖粉和牛乳糖粉。研究结果表明，低聚糖可作为生物标记物，用于检测山羊乳制品中的牛乳制品，尤其是山羊乳糖粉。

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.