Optimum Fermentation Condition of Soybean Curd Residue and Rice Bran by Preussia aemulans using Solid-State Fermentation Method

Yiting Li, Shili Meng, Linbo Wang, Zhenya Zhang


An environmental method for using soybean curd residue (SCR) and rice bran (RB) was developed in this study. SCR and RB were utilized as growth medium for Preussia aemulans, a new fungus isolated from Cordyceps sinensis fruiting body. According to Orthogonal test and Duncan’s multiple range test, the optimum fermentation condition of fermented SCR and RB for producing polysaccharide, adenosine and ergosterol were summarized. Under the optimum fermentation condition of SCR, the polysaccharide, adenosine and ergosterol contents were reached to 39.18 ± 1.06 mg/g dry matter, 127.94 ± 1.82 mg/100g dry matter and 37.53 ± 0.11 mg/100g dry matter, respectively. And under the optimum fermentation condition of RB, the content of polysaccharide, adenosine and ergosterol were also enhanced 3-fold, 10-fold and 10-fold, respectively. Therefore, the fermented SCR and RB could be utilized as nutritious functional food or food additives in the future.

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DOI: http://dx.doi.org/10.5539/ijb.v7n3p66

International Journal of Biology   ISSN 1916-9671(Print)   ISSN 1916-968X  (Online)

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