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http://dx.doi.org/10.3746/jkfn.2010.39.2.165

Physiological Activities of Cucurbita moschata Duch. Extracts with Different Extraction Conditions  

Lee, Hye-Jin (Korea Food Research Institute)
Do, Jeong-Ryong (Korea Food Research Institute)
Kwon, Joong-Ho (Dept. of Food Science and Technology, Kyungpook National University)
Kim, Hyun-Ku (Korea Food Research Institute)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.39, no.2, 2010 , pp. 165-171 More about this Journal
Abstract
This study was to investigate physiological activities of Cucurbita moschata Duch. extracts by various extraction conditions. Electron donating ability of 50% ethanol extract was 52.37% at 50 mL/g, which was higher than those of 1.0% and 0.1% L-ascorbate solutions. SOD-like activities were the most effective in all of the samples at 50 mL/g, which were barely detectable. Total polyphenol contents were the highest at 50 mL/g for all fiber extracts. The nitrite scavenging effects were the most effective in pH 1.2 at more than 80%. Tyrosinase-inhibitory activities ranged at fewer than 19%. The results will be useful for understanding of the physiological activities of Cucurbita moschata Duch. extracts.
Keywords
Cucurbita moschata Duch.; electron donating ability; SOD-like activity; ACE inhibitory activity;
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