Dynamic content changes of cordycepin and adenosine and transcriptome in Cordyceps kyushuensis Kob at different fermentation stages.

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Citation abstract

20% (w/w) Astragali radix was added to the rice medium to cultivate C. kyushuensis Kob. The fermentation product was collected at mycelium stage, coloring stage, stromata-forming initial stage and fruiting body stage of C. kyushuensis Kob. The dynamic content changes of cordycepin and adenosine were detected at different fermentation stages. In the rice medium with Astragalus radix, both cordycepin and adenosine reached the highest content value on the 30th day of fermentation, 17.31 mg/g and 0.94 mg/g, respectively, which were 8.6 times and 2.0 times of that in rice medium at the same stage. At the same time, transcriptomics technology was used to analyze C. kyushuensis Kob during these four periods.