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Tart Cherry ( L.) Pit Extracts Protect Human Skin Cells Against Oxidative Stress: Unlocking Sustainable Uses for Food Industry Byproducts

Overview
Journal Foods
Specialty Biotechnology
Date 2023 Oct 28
PMID 37893640
Authors
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Abstract

Industrial processing of tart cherries ( L.) produces bioproducts like cherry pits (CP), which contribute to adverse environmental effects. To identify sustainable strategies to minimize the environmental impact of cherry processing, we investigated their potential value as antioxidants for prospective utilization within cosmeceutical applications. Untargeted metabolomic analyses of water and water: ethanol CP extracts using an eco-friendly technique revealed significant enrichment in coumaroyl derivatives and flavonoids with congruent metabolite representation regardless of the extraction solvent. The antioxidant activity of tart CP extracts was evaluated on human skin cells exposed to HO or LPS, modeling environmentally induced oxidants. Notably, both CP extracts provide antioxidant activity by reducing HO or LPS-induced ROS in human skin keratinocytes without affecting cell viability. The CP extracts increased the expression of and genes encoding antioxidant regulatory enzymes while decreasing the expression of , a pro-oxidant regulator. These findings reveal the antioxidant properties of tart CP, offering new opportunities to produce natural-based skin care products and adding economic value while providing sustainable options to reduce the environmental impact of food byproducts.

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PMID: 39519493 PMC: 11547742. DOI: 10.3390/nu16213660.

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