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KMID : 0665220200330020210
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Korean Journal of Food and Nutrition
2020 Volume.33 No. 2 p.210 ~ p.214
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Antioxidant and α-Amylase Inhibitory Activity of 70% Ethanolic Extract from Morinda citrifolia L. (Noni)
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Lee Youn-Ri
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Abstract
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In this study, polyphenol and flavonoid contents were measured, and DPPH, OH, H2O2 radical scavenging activity, and the α-amylase inhibitory activity were measured to study the antioxidant activity of 70% ethanol extract from Morinda citrifolia L. The polyphenol and flavonoid contents of noni 70% ethanol extract were 29.52 GAE/g and 12.48 CE/g, respectively. Also, the IC50 values of DPPH, hydroxyl radical, and hydrogen peroxide scavenging activity of 70% ethanol extract from noni were 18.70 mg/mL, 26.45 mg/mL, and 35.67 mg/mL, respectively. Measurement of the α-amylase inhibitory activity of 70% ethanol extract from noni showed 45% inhibitory activity at 10 mg/mL.
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KEYWORD
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Morinda citrifolia L. (noni), polyphenol contents, flavonoid contents, radical scavenging activity, α-amylase inhibitory activity
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