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|a Prawphan Yuvadetkun,
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|a Mallika Boonmee,
|e author
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|a Ethanol production capability of Candida shehatae in mixed sugars and rice straw hydrolysate
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|b Penerbit Universiti Kebangsaan Malaysia,
|c 2016-04.
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|z Get fulltext
|u http://journalarticle.ukm.my/9747/1/10_Prawphan.pdf
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|a Ethanol fermentations by Candida shehatae TISTR 5843 at low (20 g/L) and high (80 g/L) sugar concentrations with various glucose to xylose ratios were investigated. Glucose was a preferred substrate as it was consumed first at a faster consumption rate. The type of sugar and ratio between glucose and xylose did not have an effect on ethanol produced. The average ethanol concentrations were 7.99 g/L when using 20 g/L sugar and 27.82 g/L when using 80 g/L sugar. Small amounts of xylitol and glycerol as by-products were presented when using 20 g/L sugar. Xylitol appeared to be the main by-product at high xylose concentration with elevated concentrations as xylose is increased. When using rice straw hydrolysate containing 34.75 g/L glucose and 21.29 g/L xylose, 19.37 g/L ethanol was produced with the ethanol yield and ethanol productivity at 0.49 g/g and 0.20 g/L.h, respectively. However, xylose was not completely consumed after fermentation was complete.
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