期刊
ANTIOXIDANTS
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/antiox10010112
关键词
turmeric leaves; antioxidants; reactive oxygen species; zebrafish
资金
- Main Research Program of the Korea Food Research Institute
- Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry (IPET) through the High Value-added Food Technology Development Program - Ministry of Agriculture, Food and Rural Affairs (MAFRA) [117078-03]
Oxidative stress is caused by excessive production of reactive oxygen species (ROS), leading to cellular damage. Turmeric leaves have antioxidant properties, including scavenging of DPPH, ABTS, and H2O2 radicals. The bioactive compounds in turmeric leaves, such as curcumin, exhibit antioxidant effects that can alleviate cellular damage caused by oxidative stress.
Oxidative stress, caused by the excessive production of reactive oxygen species (ROS), results in cellular damage. Therefore, functional materials with antioxidant properties are necessary to maintain redox balance. Turmeric leaves (Curcuma longa L. leaves; TL) are known to have antioxidant properties, including 2,2-Diphenyl-1-picrylhydrazyl (DPPH), 2,2 '-Azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid (ABTS), and Hydrogen peroxide (H2O2) radical scavenging activity in several studies. The antioxidant effects of TL come from distinct bioactive compounds, such as curcumin, total phenolic compounds, and flavonoids. Therefore, in this study, the antioxidant effects of a water extract of TL (TLE) against H2O2 treatment were assessed in vitro Vero cells and in vivo zebrafish models. The intracellular ROS generation and the proportion of sub-G1 phase cells were evaluated in H2O2- or/and TLE-treated Vero cells to measure the antioxidant activity of TLE. TLE showed outstanding intracellular ROS scavenging activity and significantly decreased the proportion of cells in the sub-G1 phase in a dose-dependent manner. Furthermore, cell death, ROS generation, and lipid peroxidation in the H2O2-treated zebrafish model were attenuated as a consequence of TLE treatment. Collectively, the results from this study suggested that TLE may be an alternative material to relieve ROS generation through its antioxidant properties or a suitable material for the application in a functional food industry.
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