Physiological Activity of Extracts from Radish (Raphanus sativus L.) Leaves

무청 추출물의 생리활성

  • Published : 2008.03.31


This study was conducted to investigate yield of extract, total phenolic compounds content, electron donating activity, nitrite scavenging activity, superoxide dismutase like activity of the radish leaves (Raphanus sativus L.) extracts. Radish leaves extracts were prepared using water extraction, 50% ethanol extraction and 50% methanol extraction. The yield of Kwandong radish leaves extracts without blanching treatment (DRLK) was $26.56{\sim}32.56%$ and the extract yield of Minongdanbaek radish leaves without blanching treatment (DRLM) was $34.34{\sim}36.90%$. On the other hand, the yield of samples with blanching treatment was a lower range value of $18.70{\sim}23.56%$ than samples without blanching treatment. In the total contents of phenolic compound, samples with and without blanching treatment were $49.1{\sim}59.4mg/g\;and\;53.41{\sim}62.08mg/g$, respectively. Minongdanbaek radish leaves extracts (DRLM, BDRLM) showed higher contents value than Kwandong radish leaves extracts (DRLK, BDRLK) in the total phenolic compounds. Samples without blanching treatment showed electron donating activity above 80%, nitrite scavenging activity of $36.63{\sim}51.17%$ and superoxide dismutase like activity of $38.53{\sim}45.38%$. Generally, Kwandong samples showed a little higher activity more than Minongdanbaek samples in the electron donating activity, nitrite scavenging activity and superoxide dismutase like activity. Also, radish leaves extracts without blanching treatment showed high physiological activities.


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