The digestion of galactolipids and its ubiquitous function in Nature for the uptake of the essential α-linolenic acid.

Food & Function
Moulay SahakaFrédéric Carrière

Abstract

Galactolipids, mainly monogalactosyl diglycerides and digalactosyl diglycerides are the main lipids found in the membranes of plants, algae and photosynthetic microorganisms like microalgae and cyanobacteria. As such, they are the main lipids present at the surface of earth. They may represent up to 80% of the fatty acid stocks, including a large proportion of polyunsaturated fatty acids mainly α-linolenic acid (ALA). Nevertheless, the interest in these lipids for nutrition and other applications remains overlooked, probably because they are dispersed in the biomass and are not as easy to extract as vegetable oils from oleaginous fruit and oil seeds. Another reason is that galactolipids only represent a small fraction of the acylglycerolipids present in modern human diet. In herbivores such as horses, fish and folivorous insects, galactolipids may however represent the main source of dietary fatty acids due to their dietary habits and digestion physiology. The development of galactolipase assays has led to the identification and characterization of the enzymes involved in the digestion of galactolipids in the gastrointestinal tract, as well as by microorganisms. Pancreatic lipase-related protein 2 (PLRP2) has been identified as...Continue Reading

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Citations

Apr 8, 2021·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Moulay SahakaFrédéric Carrière
May 25, 2021·Animal Frontiers : the Review Magazine of Animal Agriculture·Kizkitza InsaustiRosa Ma Canals
Aug 28, 2021·International Journal of Molecular Sciences·Erik L JensenHélène Launay

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Datasets Mentioned

BETA
AAH55668
BC142351
ACV04933.1
SHJ07733.1
AAQ23181.1
AEE61324.1

Methods Mentioned

BETA
X-ray
dynamic light scattering
gel filtration

Software Mentioned

KASI
BLAST

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