Acceleration of Hericium erinaceum mycelial growth in submerged culture using yogurt whey as an alternative nitrogen source


The effects of various carbon sources and their initial concentrations on mycelia production by Hericium erinaceum were investigated by determining the dry cell weight (DCW) and β-glucan content of mycelia in submerged culture. Glucose and xylose were superior carbon sources for promoting mycelial growth resulting in mycelial concentrations of 3.99 g/L and 4.01 g/L, respectively; glucose was the best carbon source in terms of productivity (0.44 g/L/day). Experiments were also performed using yogurt whey as an alternative nitrogen source for submerged cultivation of H. erinaceum mycelia, and DCW and β-glucan content were compared with those with chemical nutrient medium. When whey was used as a nitrogen source, DCW and total amount of β-glucan were 2.3- and 2.8-fold higher, respectively, than that with chemical nutrient medium. Thus, whey appears to be an alternative nitrogen source for promoting H. erinaceum mycelial growth.

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Asada, C. , Okumura, R. , Sasaki, C. and Nakamura, Y. (2012) Acceleration of Hericium erinaceum mycelial growth in submerged culture using yogurt whey as an alternative nitrogen source. Advances in Bioscience and Biotechnology, 3, 828-832. doi: 10.4236/abb.2012.37103.

Conflicts of Interest

The authors declare no conflicts of interest.


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