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KMID : 0613820130230081032
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Journal of Life Science
2013 Volume.23 No. 8 p.1032 ~ p.1040
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Chemical Characteristics in Fermented Cordycepin-enriched Cordyceps militaris
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Ahn Hee-Young
Park Kyu-Rim
Kim Yu-Ra
Cha Jae-Young
Cho Young-Su
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Abstract
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The comparative effects of fibrinolytic, antioxidative activity and electrophoretical protein patterns with Cordyceps militaris powder (CM) and cordycepin-enriched Cordyceps militaris JLM0636 powder (CCM) and fermented cordycepin-enriched Cordyceps militaris JLM0636 powder by several microscopic organisms were investigated. In addition, nutritional materials such as mineral, protein, and fatty acids were also measured. The protein concentration was higher in CCM than that in CM. The protein concentration in fermented CCM was the highest in CCM treated by Aspergillus kawachii among the various samples. When total protein patterns of CM, CCM, and both fermented CCMs were analyzed by native- and SDS-PAGE, there were slightly varietal differences in electrophoretical protein patterns. Major minerals were K, Ca, Mg, and Zn. Major fatty acids were palmitic acid, stearic acid, oleic acid, linoleic acid, and linolenic acid. Fibrinolytic activity was the highest in the fermented CCM by Bs treatment among the various samples. The α,α¹-diphenyl-β-picrylhydrazyl (DPPH) radical scavenging activity was slightly stronger in the CCM treated with Aspergillus kawachii among the various samples; however, these samples all exhibited relatively low levels of activity compared with the butylated hydroxytoluene (BHT). These results may provide the basic data necessary to understand the biological activities and chemical characteristics of Cordyceps militaris JLM0636 powder fermented by several microscopic organisms to develop functional foods.
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KEYWORD
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Cordyceps militaris JLM0636, fermentation, fibrinolytic activity, antioxidative activity, cordycepin
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