Fator do impacto: 1.423 FI de cinco anos: 1.525 SJR: 0.431 SNIP: 0.661 CiteScore™: 1.38
ISSN Imprimir: 1521-9437
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International Journal of Medicinal Mushrooms
Effects of Illumination Pattern during Cultivation of Fruiting Body and Bioactive Compound Production by the Caterpillar Medicinal Mushroom, Cordyceps militaris (Ascomycetes)
Department of Culinary Arts, Chung Chou University of Science and Technology, Changhua, Taiwan, Republic of China
Department of Bioresources, Da-Yeh University, Changhua County 515, Taiwan
Department of Health Food, Chung Chou University of Science and Technology, Changhua, Taiwan, R.O.C.
Department of Nutrition and Dietetics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan
We investigated the effects of light intensity in the 3 cultivation stages separately−the mycelium colonization stage, the primordial initiation stage, and the fruiting stage (in order)−on fruiting body and bioactive compound production by Cordyceps militaris. In the mycelium colonization stage, rice substrates were incubated in a spawn running room at 23°C. During the primordial initiation stage, C. militaris was grown at 18°C and illuminated 12 hours/day. In the fruiting stage the temperature was 23°C, with illumination provided 12 hours/day. The highest fruiting body yield and biological efficiency were 4.06 g dry weight/bottle and 86.83%, respectively, under 1750 ± 250 lux during the second and third stages. The cordycepin content was highest during the second and third stages under 1250 ± 250 lux. The mannitol and polysaccharide contents were highest under 1250 ± 250 and 1750 ± 250 lux during the primordial initiation stage and the fruiting stage, respectively. Thus, with controlled lighting, C. militaris can be cultivated in rice-water medium to increase fruiting body yield and bioactive compound production.
Palavras-chave: bioactive compounds, Cordyceps militaris, fruiting body, light intensity, medicinal mushrooms
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