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Abstract Title:

Ultraviolet light-C increases antioxidant capacity of the strawberry (Fragaria x ananassa) in vitro and in high-fat diet-induced obese rats.

Abstract Source:

Food Sci Nutr. 2017 Sep ;5(5):1004-1014. Epub 2017 Jun 20. PMID: 28948018

Abstract Author(s):

Cecilia I Oviedo-Solís, Cuauhtémoc Sandoval-Salazar, Edmundo Lozoya-Gloria, Genaro A Maldonado-Aguilera, Herlinda Aguilar-Zavala, Vicente Beltrán-Campos, Victoriano Pérez-Vázquez, Joel Ramírez-Emiliano

Article Affiliation:

Cecilia I Oviedo-Solís

Abstract:

Flavonoids and polyphenols from the strawberry and other fruits have been proposed to reduce the oxidative stress produced by the obesity and her complications. Moreover, it has been proposed that irradiation with UV-C to strawberry may increase the antioxidant capacity of this fruit. The aim of the present study was to explore the effects of the UV-C on antioxidant capacity of strawberry in vitro and in vivo. Strawberry slices were irradiated with ultraviolet light-C (UV-C) at 1.2 W/m(2)/16.5 min; then, the power antioxidant was isolated from the nonirradiated and irradiated strawberry slices into an organic phase, which was lyophilized to finally producing a nonirradiated strawberry extract (NSE) and UV-irradiated strawberry extract (UViSE) powder. After the antioxidant capacity of both extracts were determined in vitro using the Trolox equivalent antioxidant capacity (TEAC) assay and in vivo using high-fat diet-induced obese rats. Our results demonstrated that irradiation with UV-C to strawberry slices increased the antioxidants content, which was corroborated in vitro, where the antioxidant capacity of UViSE was higher than the NSE. However, in obese rats, the reduction in the oxidative damage by the UViSE and NSE were similar in peripheral tissues. Interestingly, the UViSE was better than the NSE to reduce the oxidative damage in brain. In conclusion, UV-irradiation increases the antioxidants content of strawberry that is correlated with an increased antioxidant capacity in vitro, but in rats, this antioxidant capacity may be more effective in brain than in peripheral tissues.

Study Type : Animal Study, In Vitro Study
Additional Links
Pharmacological Actions : Antioxidants : CK(8430) : AC(3132)

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Sayer Ji
Founder of GreenMedInfo.com

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Easy Turmeric recipes + The Dark Side of Wheat

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