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Antioxidant Effects of Apocynum venetum Tea Extracts on d-Galactose-Induced Aging Model in Mice

by Chong Li 1,2,3, Fang Tan 4, Jianjun Yang 1,5, Yue Yang 1,5, Yuting Gou 1,5, Shuting Li 1,5 and Xin Zhao 1,2,3,*
1
Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing 400067, China
2
Chongqing Engineering Research Center of Functional Food, Chongqing University of Education, Chongqing 400067, China
3
Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing 400067, China
4
Department of Public Health, Our Lady of Fatima University, Valenzuela 838, Philippines
5
College of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, China
*
Author to whom correspondence should be addressed.
Antioxidants 2019, 8(9), 381; https://doi.org/10.3390/antiox8090381
Received: 7 August 2019 / Revised: 2 September 2019 / Accepted: 6 September 2019 / Published: 8 September 2019
As a traditional Chinese medicinal drink, Apocynum venetum, a local tea from Xinjiang, China, is favored for its rich flavor and biological functionality. This study looked at aging mice induced by d-galactose to determine the in vivo anti-aging effect of Apocynum venetum tea extracts (AVTEs) and its bioactive components. We evaluated the weight of major organs (via organ index) and pathological changes in the liver. We also detailed the effects of AVTE (250 mg/kg in the low dose group, 500 mg/kg in the high dose group) on biochemical parameters (malondialdehyde, superoxide dismutase, glutathione, glutathione peroxidase, catalase, total antioxidant capacity, and nitric oxide) and cytokines (IL-6, IL-12, TNF-α and IL-1β) in the serum of aging mice. We investigated the anti-aging effects of AVTE in d-galactose-induced aging mice via quantitative real-time reverse transcription-polymerase chain reaction (RT-qPCR) assay. In addition, we analyzed the biological components of AVTEs by high performance liquid chromatography (HPLC). The results were remarkable, suggesting that AVTE significantly improved d-galactose-induced aging mice, with the high dose group showing the best results among other groups. ATVE can effectively alleviate hepatocyte edema, as well as inflammatory cell infiltration and injury in mice, induce a protective effect via up-regulation of glutathione (GSH), glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), and catalase (CAT) antioxidant related factors, and play an important role in the up-regulation of anti-inflammatory factors (IL-10) and the down-regulation of pro-inflammatory factors (IL-6, TNF-α and IL-1β). At the same time, HPLC analysis showed that AVTEs contain neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, rutin, isoquercitrin, isochlorogenic acid B, isochlorogenic acid A, astragalin, isochlorogenic acid C, rosmarinic acid, and trans-cinnamic acid. Thus, AVTE appears to be an effectively functional drink due to its rich functional components and anti-aging activities. View Full-Text
Keywords: Apocynum venetum tea extracts; d-galactose; mice; oxidative damage; biological components Apocynum venetum tea extracts; d-galactose; mice; oxidative damage; biological components
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Li, C.; Tan, F.; Yang, J.; Yang, Y.; Gou, Y.; Li, S.; Zhao, X. Antioxidant Effects of Apocynum venetum Tea Extracts on d-Galactose-Induced Aging Model in Mice. Antioxidants 2019, 8, 381.

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