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Molecules 2017, 22(9), 1530;

Determination of the Main Nucleosides and Nucleobases in Natural and Cultured Ophiocordyceps xuefengensis

College of Life Science, Hunan Normal University, Changsha 410081, China
Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua 418000, China
Author to whom correspondence should be addressed.
Received: 22 August 2017 / Revised: 8 September 2017 / Accepted: 9 September 2017 / Published: 11 September 2017
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Ophiocordyceps xuefengensis, a recently described species of Ophiocordyceps that is associated with the larvae of Phassus nodus (Hepialidae) in the living root or trunk of the medicinal plant Clerodendrum cyrtophyllum, is the largest known Cordyceps species and is recognized as a desirable alternative for natural Ophiocordyceps sinensis. This study investigated the main nucleosides and nucleobases in natural and cultured Ophiocordyceps xuefengensis. The contents of the nucleosides and nucleobases in the natural and cultured samples were determined by reverse phase HPLC. The highest concentration of adenosine was found in the natural fruit body and the cultured stroma, with almost no adenosine in the cadaver of Phassus nodus. The contents of adenine, guanosine, uridine and uracil in the cultured mycelium were significantly higher than those in the natural sample. Inosine was only detected in the natural samples. Thymidine and 2-deoxyadenosine were only found in the cadaver of Phassus nodus. Cordycepin was not detected in the five samples examined. These results suggested that the cultured mycelium and cultured stroma of Ophiocordyceps xuefengensis might be a promising substitute for natural O. xuefengensis. View Full-Text
Keywords: Ophiocordyceps xuefengensis; Phassus nodus; stroma; nucleosides Ophiocordyceps xuefengensis; Phassus nodus; stroma; nucleosides

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Zou, J.; Wu, L.; He, Z.-M.; Zhang, P.; Chen, Z.-H. Determination of the Main Nucleosides and Nucleobases in Natural and Cultured Ophiocordyceps xuefengensis. Molecules 2017, 22, 1530.

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