Comparing the lipid self-assembly behaviour and fatty acid composition of plant-based drinks to bovine milk during digestion

IF 5.4 2区医学 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Biomaterials Science & Engineering Pub Date : 2024-11-13 DOI:10.1016/j.foodchem.2024.142031

Peter Meiland, Anas Aljabbari, Shinji Kihara, Kārlis Bērziņš, Ulf Andersen, Jacob J.K. Kirkensgaard, Ben J. Boyd

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引用次数: 0

Abstract

In this study, a static in-vitro digestion model was coupled with synchrotron small-angle X-ray scattering (SAXS) to compare the lipid self-assembly behaviour of plant-based drinks and bovine milk during digestion. The diffraction profiles were combined with principal component analysis (PCA) of the fatty acid (FA) composition during digestion. Half of the plant-based drinks were found to form an inverse micellar cubic phase which is substantially different from the inverse hexagonal and bicontinuous cubic phases determined in bovine milk during digestion. The PCA inferred that the plant-based drinks all had similar FA compositions with slight changes in oleic and linoleic acid ratios. The polyunsaturated long-chain fatty acids of the plant-based drinks forming inverse micellar structures are in agreement with the critical packing parameter theory. These findings increase the understanding of the behaviour of plant-based drinks and aid further development of new and existing plant-based dairy substitution products.

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比较植物饮料和牛乳在消化过程中的脂质自组装行为和脂肪酸组成

在本研究中，静态体外消化模型与同步辐射小角 X 射线散射（SAXS）相结合，比较了植物饮料和牛乳在消化过程中的脂质自组装行为。衍射图谱与消化过程中脂肪酸（FA）组成的主成分分析（PCA）相结合。结果发现，半数植物饮料形成了反胶束立方相，这与牛乳在消化过程中测定的反六边形和双连续立方相有很大不同。根据 PCA 推断，植物饮料的脂肪酸组成相似，只是油酸和亚油酸的比例略有不同。植物饮料中的多不饱和长链脂肪酸形成反胶束结构，这与临界堆积参数理论相一致。这些发现加深了人们对植物饮料行为的了解，有助于进一步开发新的和现有的植物乳制品替代产品。

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来源期刊

ACS Biomaterials Science & Engineering Materials Science-Biomaterials

CiteScore

10.30

自引率

3.40%

发文量

413

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