会议论文详细信息
International Conference on Science and Innovated Engineering
Fermentation of soybean (Glycine max (l.) merr) using mix inocula of Rhizopus sp. and Sacharomycescereviceae for alternative source of folic acid
工业技术(总论);自然科学(总论)
Maryati, Y.^1 ; Susilowati, A.^1 ; Melanie, H.^1 ; Lotulung, P.D.^1
Research Center for Chemistry, Indonesian Institute of Sciences, Kawasan PUSPIPTEK, Serpong, Tangerang Selatan
15314, Indonesia^1
关键词: Alternative source;    Cooking process;    Fermentation time;    Mycelial growth;    Optimum process conditions;    Saccharomyces cerevisiae yeast;    Soybean (Glycine max (L.) Merr);    Treatment process;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/536/1/012124/pdf
DOI  :  10.1088/1757-899X/536/1/012124
来源: IOP
PDF
【 摘 要 】

Folic acid (folate) is a water-soluble B vitamin needed by human body for enhancing metabolism and developing body cells. Soybean contains relatively high folate, but it needs cooking process-that may cause a loss of folate-to be edible. Therefore, folate content in soybean can be re-enhanced by fermentation to produce tempe using Rhizopus sp. as inoculum. Development of inoculum by mixing Rhizopus sp. with Saccharomyces cerevisiae yeast was performed to obtain higher folate content. This study was conducted to understand the effects of inoculum ratio in enhancing folic acid content. Rhizopus sp. and Saccharomyces cerevisiae at ratio of 1:0, 1:1, 1:2, and 1:3 were tested for 0-72 h fermentation time with interval of 8 h at 30 °C, at a concentration of inoculum of 0.2 wt-% of soybeans. Results showed that interactions of treatment processes with inoculum ratio and fermentation time affected mycelial growths, tempe appearances, overall compositions, and folate contents. The optimum process conditions based on dissolved protein and folate content (1.67 mg/mL and 381 μg/mL, respectively) was at a ratio of 1:3 for 72 h.

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