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KMID : 0613820120220030373
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Journal of Life Science
2012 Volume.22 No. 3 p.373 ~ p.379
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Comparison of Antioxidant and Antimicrobial Activities of Supercritical Fluid Extracts and Marc Extracts from Cinnamomum verum
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Park Sung-Jin
Yu Mi-Hee
Kim Ji-Eun
Lee Sam-Pin
Lee In-Seon
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Abstract
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This study was performed to evaluate the antioxidant and antimicrobiological effects of supercritical fluid extracts (SFEs) and Marc methanol extracts (SFMs) from Cinnamomum verum. Reducing effects on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and ABTS radical scavenging were investigated. SFM exhibited higher antioxidant activities in DPPH and ABTS radical scavenging assay. Measurements of the antimicrobial activity were used for Gram-positive bacteria (four strains) and Gram-negative bacteria (four strains). The antimicrobial activities of the SFE and SFM against gram-positive and gram-negative bacteria revealed that SFE had a higher inhibition zone than SFM. Cinnamaldehyde, the active compound of C. verum, had a higher content in SFM (35% at 300 bar, 30℃) than methanol extracts from C. verum (0.5%). These results indicate that not only SFE oil, but also SFM, could be a good source for the food industry.
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KEYWORD
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Supercritical fluid extracts, antimicrobial, antioxidative, cinnamon, cinnamaldehyde
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