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KMID : 0613820150250060638
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Journal of Life Science
2015 Volume.25 No. 6 p.638 ~ p.645
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Biological Activities of Mesembryanthemum crystallinum (Ice plant) Extract
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Lee Sang-Yull
Choi Hyeun-Deok
Yu Sun-Nyoung
Kim Sang-Hun
Park Sul-Gi
Ahn Soon-Cheol
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Abstract
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This study analyzed the physiological quality of Mesembryanthemum crystallinum (ice plant) extract. M. crystallinum is a succulent plant found in Africa, southern Europe, North America, South America, and Australia. It has known antidiabetic, antioxidant, and activation of lipid metabolism effects. Extracts from M. crystallinum were prepared with methanol (MCM), ethanol (MCE), hot water (MCHW), and methanol after hot water (MCHM) extractions. The yields of MCM, MCE, MCHW, and MCHM were 0.37, 0.33, 0.50, and 0.07%, respectively. To determine the biological activities of the extracts, mushroom tyrosinase, pancreatic lipase, 1,1-diphenyl-2-picryl hydrazyl (DPPH) radical scavenging, nitric oxide (NO) production, and α-glucosidase assays were conducted. The DPPH radical scavenging activity of the MCHW extract was 62.9% at a concentration of 400 μg/ml, which was the highest of all the extracts. The MCM extract showed the highest inhibition activity of α-glucosidase and NO production (56.6 and 57.2%, respectively). The pancreatic lipase inhibition of the MCE extract was similar to that of the MCM extract, with significant inhibition of 90%. The mushroom tyrosinase inhibition of all the extracts was very low (approximately 30%). These results suggest that extracts from M. crystallinum have antioxidant, anti-inflammatory, antiobesity, and antidiabetic activities. Thus, it may have potential as a functional food product and therapeutic potential as an antidiabetic or antiobesity agent.
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KEYWORD
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Anti-diabetics, anti-obesity, ice plant, Mesembryanthemum crystallinum, nitric oxide production
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