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Journal Publication
Title of Article Ethanol and beta-glucan production from the economically feasible medium prepared from paper napkin hydrolysate 
Date of Acceptance 1 June 2021 
Journal
     Title of Journal The Asia-Pacific Journal of Science and Technology (APST) 
     Standard SCOPUS 
     Institute of Journal Research and Technology Transfer Affairs Division of Khon Kaen University 
     ISBN/ISSN APST-D-21-00069R1 
     Volume  
     Issue  
     Month June
     Year of Publication 2021 
     Page  
     Abstract At present, a zero-waste concept has become a major concern and a challenging topic. Among several renewable materials which contain high cellulose content, napkin papers are potential sources for use in the production of ethanol and other valueadded products. This study aimed to study the feasibility of the economic medium formulation from the napkin hydrolysate for ethanol production and beta-glucan extraction from spent yeasts. The medium costs per gram of ethanol produced from napkin and 3 different nitrogen sources-i.e., yeast malt extract (YM), urea, and ammonium sulfate-were compared. The result revealed that the new medium formulation from napkin-ammonium sulfate was economical at 18% over commercial YM medium to produce ethanol. Furthermore, the remaining yeast cells from the fermentation process were autolyzed and beta-glucan was extracted prior to Fourier transforms infrared (FTIR) spectroscopy for compositional and structural analyses. The FTIR integration peaks indicated that S. cerevisiae TISTR 5339 cell wall contained beta-1,3-glucan as the main component of the total polysaccharides. Overall, this study was successful in developing the practically economic medium for biotransformation of napkins to ethanol and producing value-added beta-glucan from spent yeast from the ethanol production process, which can potentially be used in pharmaceutical or food industry in the future. 
     Keyword Paper napkin; Ethanol; Culture medium; Beta-glucan; Spent yeast 
Author
595160021-8 Mr. RAKSMEY THIN [Main Author]
Technology Master's Degree

Reviewing Status มีผู้ประเมินอิสระ 
Status ได้รับการตอบรับให้ตีพิมพ์ 
Level of Publication นานาชาติ 
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