원문정보
초록
영어
An entomopathogenic fungus, Cordyceps (Cordyceps militaris) has been known to produce cordycepin which is a purine nucleoside metabolite having antibiotic, anticancer, antioxidant and anti-inflammatory activities. C. militaris is nowadays domesticated and cultivated on artificial solid media such as brown rice due to economic aspects. However, preliminary studies revealed that media as insects was more effective on the growth of mycelia and cordycepin production. Therefore, we tried to cultivate Cordyceps on seven edible insects such as Pupae, Tenebrio molitor, Gryllus bimaculatus, Caelifera, Allomyrina dichotoma, Protaetia brevitaris, Bombyx mori. Cordyceps was grown on six different insects but failed to grow on B. mori. Next, we quantified the amount of cordycepin using HPLC method in Cordyceps grown on six insect species. Results revealed that cordycepin content in Cordyceps grown on insects was greatly increased compared to that grown on brown rice. Among six insects, Cordyceps grown on A. dichotoma contained the highest amount of cordycepin (10.1 mg cordycepin /g sample). Furthermore, the nutritional potential of these insect species was accessed. Cordyceps grown on insects contained high ratio of protein compared to that grown on brown rice. In addition, protein contents were increased after being inoculated with C. militaris. Therefore, insects are more effective for the growth of Cordyceps with high bioactive constituents. Cordyceps can be useful source of bioactive constituents and nutritional values.