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Beyond Fish Oil Supplementation: The Effects of Alternative Plant Sources of Omega-3 Polyunsaturated Fatty Acids on Lipid Indexes and Cardiometabolic Biomarkers in Nutrients

Santos, H.O., Price, James C. and Bueno, Allain ORCID: https://orcid.org/0000-0002-9456-8558 (2020) Beyond Fish Oil Supplementation: The Effects of Alternative Plant Sources of Omega-3 Polyunsaturated Fatty Acids on Lipid Indexes and Cardiometabolic Biomarkers in Nutrients. Nutrients, 12 (10). e3159. ISSN 2072-6643 Online: 2072-6643

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Bueno-2020-VoR-Beyond-fish-oil-supplementation-the-effects-of-alternative-plant-sources-of-omega-3-polyunsaturated-acids-upon-lipid-indexes-and-cardiometabolic-biomarkers-an-overview.pdf - Published Version
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Abstract

Cardiovascular diseases remain a global challenge, and lipid-associated biomarkers can predict cardiovascular events. Extensive research on cardiovascular benefits of omega-3 polyunsaturated fatty acids (n3-PUFAs) is geared towards fish oil supplementation and fish-rich diets. Nevertheless, vegetarianism and veganism are becoming more popular across all segments of society, due to reasons as varied as personal, ethical and religious values, individual preferences and environment-related principles, amongst others. Due to the essentiality of PUFAs, plant sources of n3-PUFAs warrant further consideration. In this review, we have critically appraised the efficacy of plant-derived n3-PUFAs from foodstuffs and supplements upon lipid profile and selected cardiometabolic markers. Walnuts and flaxseed are the most common plant sources of n3-PUFAs, mainly alpha-linolenic acid (ALA), and feature the strongest scientific rationale for applicability into clinical practice. Furthermore, walnuts and flaxseed are sources of fibre, potassium, magnesium, and non-essential substances, including polyphenols and sterols, which in conjunction are known to ameliorate cardiovascular metabolism. ALA levels in rapeseed and soybean oils are only slight when compared to flaxseed oil. Spirulina and Chlorella, biomasses of cyanobacteria and green algae, are important sources of n3-PUFAs; however, their benefits upon cardiometabolic markers are plausibly driven by their antioxidant potential combined with their n3-PUFA content. In humans, ALA is not sufficiently bioconverted into eicosapentaenoic and docosahexaenoic acids. However, evidence suggests that plant sources of ALA are associated with favourable cardiometabolic status. ALA supplementation, or increased consumption of ALA-rich foodstuffs, combined with reduced omega-6 (n6) PUFAs intake, could improve the n3/n6 ratio and improve cardiometabolic and lipid profile.

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© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access
article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Uncontrolled Discrete Keywords: alpha-linolenic acid, flaxseed, lipids, omega-3, walnuts
Subjects: Q Science > Q Science (General)
R Medicine > R Medicine (General)
R Medicine > RM Therapeutics. Pharmacology
Divisions: College of Health, Life and Environmental Sciences > School of Science and the Environment
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Copyright Info: Open access article
Depositing User: Allain Bueno
Date Deposited: 16 Oct 2020 10:22
Last Modified: 07 Dec 2020 17:14
URI: https://worc-9.eprints-hosting.org/id/eprint/9864

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