NEUROPROTECTIVE AND ANTIOXIDANT EFFECTS OF METASEQUOIA GLYPTOSTROBOIDES LEAF EXTRACT
- Authors
- Lee, Seung-Jae; Lee, Seung Yuan; Hur, Sun Jin; Bae, Young-Il; Jeong, Chang-Ho
- Issue Date
- Feb-2016
- Publisher
- NEW CENTURY HEALTH PUBLISHERS, LLC
- Keywords
- Antioxidant activity; Metasequoia glyptostroboides; Mouse brain lipid; Neuro-Protective effect; Reactive oxygen species
- Citation
- CURRENT TOPICS IN NUTRACEUTICAL RESEARCH, v.14, no.1, pp 67 - 72
- Pages
- 6
- Journal Title
- CURRENT TOPICS IN NUTRACEUTICAL RESEARCH
- Volume
- 14
- Number
- 1
- Start Page
- 67
- End Page
- 72
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/7351
- ISSN
- 1540-7535
- Abstract
- Extracts from the leaves of Metasequoia glyptostroboides (M. glyptostroboides) were investigated for antioxidant and neuroprotective effects in an attempt to further the development of novel pharmaceuticals. We demonstrated the antioxidant activities of these extracts using multiple methods, including the 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl-tetrazoliumbromide cell viability and malondialdehyde assays; 2', 7'-dichlorofluorescein diacetate (DCF-DA) was used to detect and measure reactive oxygen species (ROS). These extracts effectively inhibited hydrogen peroxide-induced lipid peroxidation in neuronal PC12 cells by reducing intracellular ROS accumulation. High performance liquid chromatography analysis revealed these extracts to contain a variety of known compounds (including rutin, quercitrin, myricetin, quercetin, kaempferol gallic acid epigallocatechin, epigallocatechin gallate, caffeic acid, and epicatechin gallate) in varying amounts. The extracts from M. glyptostroboides leaves exhibited a similar (and in some cases, more favorable) biological activity to that of ascorbic acid. The findings of this study suggested that M. glyptostroboides leaves have the potential to protect against hydrogen peroxide-induced damage and should be considered as a prospective functional food.
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