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KMID : 1147820210100020086
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Journal of Naturopathy
2021 Volume.10 No. 2 p.86 ~ p.92
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Antioxidant and Elastase Inhibitory Effects of Equisetum hyemale Extract
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Song Jin-Hwa
Song Hyun-Sook
Lee Geo-Lyong
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Abstract
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Background: The presence of antioxidants was not confirmed in the medicinal plant Equisetum hyamale grass.
Purposes: This study was to determine the antioxidant and elastase inhibition effects of extracts of E. hyemale. Methods: Antioxidant functions of E. hyemale stems and roots were measured and extracted with hot water (HW) and ethyl alcohol (70EOH, 100EOH).
Results: The extraction yield of stems was higher in HW extraction than in ethyl alcohol extraction. The polyphenol content was significantly higher in the root extract than in the stem. Total flavonoid content of 70EOH extract was significantly higher in root extract than in stem. The elastase inhibitory function of the extract was 46% in the root and 49% in the stem at 100 ppm of the extract. The ABTS free radical scavenging function was in the order of HW<70EOH<100EOH
Conclusion: E. hyemale grass extract had many antioxidants and showed an increased elastase inhibitory effect. Therefore, it is judged that the plant is one of the essential functional plants.
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KEYWORD
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Equisetum hyemale, Antioxidant, Elastase, Hot water extracts, DPPH, ABTS
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