Summary

Seed oils represent a rich and diverse reservoir of bioactive lipids, comprising not only major triacylglycerol fractions but also a variety of minor components that underpin nutritional and industrial value. The predominant fatty acids—such as linoleic, oleic and α-linolenic acids—contribute to energy provision and cell membrane fluidity, while less abundant moieties including tocopherols, phytosterols, polyphenols and carotenoids impart antioxidant, anti-inflammatory and cholesterol-modulating properties. The relative abundance of these constituents varies substantially among botanical species, cultivars and growing conditions, and is further influenced by the choice of extraction technique. Advances in green extraction methods have emphasised the preservation of thermolabile compounds and minimised solvent residues. A comprehensive understanding of seed-specific lipid profiles is essential to exploit novel oils for functional foods, nutraceutical formulations, cosmetic emulsions and pharmaceutical excipients. Globally, the elucidation of bioactive lipid composition in under-utilised or endemic species holds promise for sustainable agriculture, waste valorisation and the development of high-value ingredients that address metabolic health and dietary deficiencies.

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Bioactive Lipid Composition in Seed Oils publication trend

The graph below shows the total number of articles in bioactive lipid composition in seed oils across all publications each year (not limited to Nature Index journals).

Technical terms

Linoleic acid: An essential omega-6 polyunsaturated fatty acid commonly found in seed oils, important for cell membrane structure and precursor of signalling molecules.

Oleic acid: A monounsaturated omega-9 fatty acid that contributes to oil fluidity and has been associated with cardiovascular benefits.

Tocopherols: A class of lipophilic antioxidants (vitamin E isomers) that protect polyunsaturated lipids from oxidative degradation.

Phytosterols: Plant-derived sterols structurally similar to cholesterol, known to reduce LDL cholesterol absorption in the human intestine.

Polyphenols: A broad group of phenolic compounds with multiple hydroxyl groups, renowned for their free-radical-scavenging and anti-inflammatory properties.

References

  1. Ultrasound assisted extraction of oils from apple seeds: A comparative study with supercritical fluid and conventional solvent extraction. Innovative Food Science & Emerging Technologies (2023).
  2. Pyrus glabra seed oil as a new source of mono and polyunsaturated fatty acids: Composition, thermal, and FTIR spectroscopic characterization. LWT (2023).
  3. Comparative Assessment of Phytochemical Compounds and Antioxidant Properties of Kernel Oil from Eight Sour Cherry (Prunus cerasus L.) Cultivars. Molecules (2022).

About these summaries

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