Abstract
By verifying the antioxidant and anti-inflammatory properties of Garcinia mangostana stem 70% ethanol extract (GMSE), we confirmed its utility as a natural material. In this study, experiments using GMSE were conducted to discover natural substances related to antioxidant and anti-inflammatory activities. First, as a result of measuring the total polyphenol content of GMSE, the content was confirmed to be 508.82 ± 0.98 mg TAE/100 g. To confirm the antioxidant activity of GMSE, electron donating activity and ABTS radical scavenging activity were measured. The electron donation showed an 87.2% result at a final concentration of 1,000 μg/mL, and the ABTS radical measurement showed an activity close to 100% at a concentration of 50 μg/mL, and confirmed an effect similar to that of vitamin C, the control group. In order to measure anti-inflammatory activity through cell experiments, the cell viability of GMSE for RAW 264.7 cell, a macrophage, was confirmed. Based on these results, NO inhibitory activity, a factor related to inflammation, was measured below 500 μg/mL concentration. As a result, an inhibitory effect of 26.83% was confirmed at the final concentration of 500 μg/mL. Based on this, it has been verified that GMSE is effective in antioxidant and anti-inflammatory activities, and it is intended to be used as basic data for the use of natural materials afterwards.
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