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KMID : 1134820110400030379
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Journal of the Korean Society of Food Science and Nutrition
2011 Volume.40 No. 3 p.379 ~ p.384
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Chemical Composition and Antioxidant Activities of Prunus salicina Formosa Produced in Gimcheon
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Yoon Ok-Hyun
Jeong Bo-Young
Kim Eun-Kyoung
Jeong Yoon-Hwa
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Abstract
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The present study was designed to investigate the chemical composition and antioxidant activities of Prunus salicina Formosa produced in Gimcheon. The free sugar amounts in Prunus salicina Formosa were fructose＞glucose＞sucrose＞maltose, and malic acid contents in Prunus salicina Formosa were the highest among all the organic acids found in the present study. Each Prunus salicina Formosa extract was obtained by treating Prunus salicina Formosa with distilled water, 80% ethanol, 60% acetone, and 80% methanol at 25 and 50℃. The highest contents of total polyphenol and flavonoid were observed in the 60% acetone extract and 80% ethanol extract, respectively. The 60% acetone extract exhibited the greatest DPPH radical scavenging ability, reducing power, and nitrite scavenging ability. However, SOD-like activity was not considerably different for all the extracts studied. The results from the present study could be helpful for developing antioxidant products using Prunus salicina Formosa produced in Gimcheon.
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KEYWORD
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Prunus salicina Formosa, total polyphenol, DPPH radical scavenging ability, SOD-like activity, reducing power
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