Cell disruption of Nannochloropsis sp. improves in vitro bioaccessibility of carotenoids and ω3-LC-PUFA

被引：69

作者：

Bernaerts, Tom M. M. ^{[1
]}

Verstreken, Heleen ^{[1
]}

Dejonghe, Celine ^{[2
]}

Gheysen, Lore ^{[2
]}

Foubert, Imogen ^{[2
]}

Grauwet, Tara ^{[1
]}

Van Loey, Ann M. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Lab Food Technol, Dept Microbial & Mol Syst M2S, Leuven Food Sci & Nutr Res Ctr,LFoRCe, Kasteelpk Arenberg 22,Box 2457, B-3001 Leuven, Belgium

[2] KU Leuven KULAK, Lab Food & Lipids, Dept Microbial & Mol Syst M2S, Leuven Food Sci & Nutr Res Ctr,LFoRCe, E Sabbelaan 53, B-8500 Kortrijk, Belgium

来源：

JOURNAL OF FUNCTIONAL FOODS | 2020年 / 65卷

关键词：

Microalgae; Cell integrity; High pressure homogenization; Lipid digestion; Eicosapentaenoic acid; Carotenoids; N-3; LC-PUFA; FUNCTIONAL FOOD; CHLORELLA-VULGARIS; FATTY-ACIDS; MICROALGAE; STABILITY; DIGESTION; IMPACT; RICH; INGREDIENTS;

D O I：

10.1016/j.jff.2019.103770

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The incorporation of microalgae into processed food products is considered a sustainable strategy to enrich food products in omega-3 long chain polyunsaturated fatty acids (omega 3-LC-PUFA). However, the microstructural properties of the microalgae might influence the nutrient digestibility and bioaccessibility during consumption. The current study proved the importance of cell disruption of Nannochloropsis sp. for the in vitro lipid digestibility and bioaccessibility of omega 3-LC-PUFA and carotenoids. While an incomplete lipid digestion and low bioaccessibility values (1-6% for carotenoids and 13% for omega 3-LC-PUFA) were observed for untreated biomass, cell disruption by high pressure homogenization resulted in a complete lipid digestibility and a threefold increase in bioaccessibility. It was shown that the Nannochloropsis sp. cell wall and/or cell membrane act as a natural barrier for (lipophilic) nutrients during in vitro digestion. Hence, microalgal cell disruption is a crucial step in the design of healthy food products enriched with microalgae.

引用

页数：10

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