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KMID : 0861020210360020019
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Korea Journal of Herbology
2021 Volume.36 No. 2 p.19 ~ p.29
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Comparative evaluation on biological activities of Ziingiber officinale Roscoe extracted from different solvents
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Kim So-Young
Choi Moon-Yeol
Do Eun-Ju
Kim Mi-Ryeo
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Abstract
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Objective : This study was designed to investigate anti-oxidative, anti-aging and anti-inflammatory activities of Zingiber officinale Roscoe water (ZD) and 50% ethanol extracts (ZE).
Method : The antioxidant capacity of ZD or ZE was analyzed by DPPH, ABTS scavenging activities and reducing power, respectively. The anti-aging efficacy was performed with tyrosinase and collagenase inhibition activities. The anti-inflammatory activities were confirmed through inhibition of nitric oxide production and TNF-α expression in LPStreated Raw 264.7 cells.
Result : As a result of measuring DPPH and ABTS radical scavenging activities, both ZD and ZE extracts increased in concentration-dependent manners. The ABTS radical scavenging activities of water and 50% ethanol extract were similar to that of positive control at high concentration. On reducing power, both ZD and ZE showed higher activities than the positive control at high concentration. On inhibition activities of tyrosinase and collagenase both ZD and ZE showed the large inhibition rates at low concentration. Also, the inhibitory efficacy of ZD on NO and TNF-α production was better than ZE in RAW 264.7 cells.
Conclusion : These results suggest that ZD and ZE have anti-oxidative, anti-aging and anti-inflammatory effects in vitro. Especially, ZD was more effective than ZE. Thus, Ginger extract is considered to be highly useful as a cosmetic or food material with anti-oxidative, anti-aging (prevention of whitening and wrinkle) and anti-inflammatory effects. Also these effects may vary depending on the extraction solvent.
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KEYWORD
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Zingiber officinale Roscoe, anti-aging, anti-oxidant, anti-inflammation
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