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International Journal of Medicinal Mushrooms
Facteur d'impact: 1.423 Facteur d'impact sur 5 ans: 1.525 SJR: 0.431 SNIP: 0.661 CiteScore™: 1.38

ISSN Imprimer: 1521-9437
ISSN En ligne: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v16.i6.60
pages 569-578

Various Grain Substrates for the Production of Fruiting Bodies and Bioactive Compounds of the Medicinal Caterpillar Mushroom, Cordyceps militaris (Ascomycetes)

Zeng-Chin Liang
Department of Bioresources, Da-Yeh University, Changhua County 515, Taiwan
Chih-Hung Liang
Department of Nutrition and Health Science, Chungchou Institute of Technology, Yuanlin, Changhua 51003, Taiwan, ROC; Department of Food Science, Tunghai University, Taiwan, R.O.C.
Chiu-Yeh Wu
Department of Culinary Arts, Chung Chou University of Science and Technology, Changhua, Taiwan, Republic of China

RÉSUMÉ

In this study, several grains such as brown rice (Br), plumule rice (Pr), wheat (W) and pearl barley (Pb) supplemented with 1% (w/w) peptone (P), yeast extract (Ye), ammonia sulfate (As), and monosodium glutamate (Mg) as a nitrogen source, respectively, were used to produce fruiting bodies and bioactive compounds of two strains of Cordyceps militaris. Among these grain substrates, the substrate most suitable to mycelial growth was Pb+Ye for C. militaris H and L. The mushroom strains colonized this substrate in 12.8 and 12.6 days, respectively. For C. militaris L, the fewest days were required for primordial initiation on Br+Ye and Pr+P substrates. The highest yield and biological efficiency was observed with Pb substrate (25.16 g/bottle and 87.36%) and Br+P substrate (21.84 g/bottle and 75.83%) for C. militaris H and L, respectively. In the fruiting bodies of C. militaris H, the highest cordycepin content was cultivated on W+Mg substrate (25.07 mg/g), the highest mannitol content was cultivated with Pr+Mg (153.21 mg/g) and Pr (151.65 mg/g) substrates, and the highest adenosine content was cultivated with Pr+Ye (0.94 mg/g) and Pb+Ye (0.90 mg/g) substrates. In the fruiting bodies of C. militaris L, the highest cordycepin content was cultivated with W+Mg substrate (22.14 mg/g); the highest mannitol content was cultivated with Pb substrate (189.33 mg/g); and the highest adenosine content was cultivated with Pb+Ye substrate (0.71 mg/g).