Abstract
Cordyceps sinensis, a traditionally edible and medicinal fungus in China, cannot be artificially solid-cultured. Zinc (Zn), germanium (Ge), and selenium (Se) are the essential trace elements for human body. In this work, C. sinensis SU-01 was cultivated in liquid medium simultaneously containing Zn, Ge, and Se. The bioactive ingredients and in vivo antioxidant activities of Zn, Ge, Se-enriched mycelia (ZGSM) of C. sinensis SU-01 were investigated. Under the determined conditions, the Zn, Ge, and Se contents of ZGSM were 2543.16 ± 158.92, 1873.85 ± 81.82, and 1260.16 ± 107.12 μg/g, respectively. The optimal concentrations of Zn, Ge, and Se had a positive effect on biosynthesis of protein, polysaccharide, cordycepic acid, and amino acids. The activities of glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD) of mice blood were 3.72 ± 0.15 and 28.74 ± 2.53 % higher than that of control, respectively, and the content of malondialdehyde (MDA) was 41.01 ± 3.66 % lower than that of control.
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This study was supported by grants from Mushroom Industrial System Project of Shandong.
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Lan Zheng, Hua Ma and Chengye Tian, contributed equally to this work.
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Zheng, L., Hao, L., Ma, H. et al. Production and in Vivo Antioxidant Activity of Zn, Ge, Se-enriched Mycelia by Cordyceps sinensis SU-01. Curr Microbiol 69, 270–276 (2014). https://doi.org/10.1007/s00284-014-0582-z
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DOI: https://doi.org/10.1007/s00284-014-0582-z