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Abstract Title:

Apple phlorizin attenuates oxidative stress in Drosophila melanogaster.

Abstract Source:

J Food Biochem. 2019 Mar ;43(3):e12744. Epub 2018 Dec 13. PMID: 31353567

Abstract Author(s):

Hao Wang, Zhenou Sun, Dong Liu, Xiang Li, Rizwan-Ur Rehman, Huali Wang, Zijian Wu

Article Affiliation:

Hao Wang

Abstract:

Apple phlorizin has a lot of applications owing to its antioxidant and hepatoprotective properties. This study explored the antioxidant effects and life span-prolonging activity of apple phlorizin in Drosophila melanogaster. Treatment with apple phlorizin was found to significantly extend the life span and ameliorate the age-related decline of locomotor function. This life span-extending activity was associated with the increased activity of superoxide dismutase, catalase, mRNA expression of glutamate-cysteine ligase catalytic subunit, cap-n-collar (cnc, homologue of mammalian Nrf2 gene), Keap1, and deacetylase sir2, as well as the downregulation of methuselah. Computational analysis suggested phlorizin could work as a Nrf2 activator and exert its biological activities by interfering with the Keap1 and Nrf2 binding. Therefore, it was concluded that the antioxidant and anti-aging effects of phlorizin might, at least in part, be mediated through the cooperation with the endogenous stress defense system. PRACTICAL APPLICATIONS: Phlorizin, from apple peel, has been used as a nutrient for over 100 years. To date, despite extensive research on phlorizin, a report on its effect on the antioxidant system in fruit flies is yet lacking. This report demonstrates that phlorizin can exert a protective effect on antioxidant issues and prolong life in fruit flies, which is valuable in the rational utilization of phlorizin in functional foods.

Study Type : Insect Study

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