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KMID : 1144820200260020109
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대한의생명과학회지
2020 Volume.26 No. 2 p.109 ~ p.113
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Effect of Extraction Ethanol Concentration on Antioxidant and Anti-Inflammatory Activity of 30-Year-Old and 120-Year-Old Dangyuja (Citrus maxima (Burm.) Merr.)
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Lee Sung-Gyu
Lee Dong-Sup
Kang Hyun
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Abstract
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Dangyuja (Citrus maxima (Burm.) Merr.) is a native fruit of great economic importance in Jeju island in Korea. To provide experimental evidence for the antioxidant and anti-inflammation properties on extraction ethanol concentration of Dangyuja, 2 cultivars, including 30-year-old and 120-year-old were evaluated. 30-year-old Dangyuja 50%, 70% ethanol extracts had the highest polyphenol and flavonoid content, and the strongest 2,2'-azino-bis (3-ethylbenzothiazoline-6- sulfonic acid) (ABTS) radical scavenging activity. To investigate the anti-inflammatory activity of Dangyuja ethanol extracts, we used BV-2 microglia cells and induced inflammation using lipopolysaccharide (LPS). Then, we measured levels of inflammatory mediators as nitric oxide (NO). Among the 6 extracts, 30-year-old Dangyuja 50% ethanol extracts show the highest anti-inflammatory activity. The results suggest that 30-year-old Dangyuja 50% ethanol extracts provides significant health benefits and may be used for developing new functional materials.
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KEYWORD
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Citrus maxima (Burm.) Merr., Extraction condition, ABTS, Polyphenol, NO
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