Krill oil: nutraceutical potential in skin health and disease.

Front Nutr

CAS Engineering Laboratory for Nutrition, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.

Published: July 2024

Krill oil (KO), extracted from the Antarctic marine crustacean , is a nutrient-dense substance that includes rich profiles of -3 polyunsaturated fatty acids (-3 PUFAs), phospholipids (PLs), astaxanthin (ASX), as well as vitamins A and E, minerals, and flavonoids. As a high-quality lipid resource, KO has been widely used as a dietary supplement for its health-protective properties in recent years. KO has various benefits, including antioxidative, anti-inflammatory, metabolic regulatory, neuroprotective, and gut microbiome modulatory effects. Especially, the antioxidant and anti-inflammatory effects make KO have potential in skin care applications. With increasing demands for natural skin anti-aging solutions, KO has emerged as a valuable nutraceutical in dermatology, showing potential for mitigating the effects of skin aging and enhancing overall skin health and vitality. This review provides an overview of existing studies on the beneficial impact of KO on the skin, exploring its functional roles and underlying mechanisms through which it contributes to dermatological health and disease management.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11272659PMC
http://dx.doi.org/10.3389/fnut.2024.1388155DOI Listing

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  • Researchers isolated Antarctic krill protein (AKPI) from krill processing by-products and combined it with gum Arabic (GA) to create microcapsules, which effectively improved AKO's limitations.
  • The optimized microcapsules showed an 80.22% encapsulation efficiency, masked the bad odor of AKO, allowed for controlled release in the digestive system, and enhanced astaxanthin retention and oxidative stability during storage.
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