sugar cane juice 22% total sugars Thailand is a tropical country and sugar cane is cultivated
in various parts of the country, but the entire crop is used in sugar production. So far, ethanol production in
Thailand has used molasses as the substrate; however, this carbon source is becoming limited due to the needs of
many fermentation industries. Therefore, an alternative renewable carbon source is required to sustain ethanol production
in Thailand, and sugar cane juice seems the most promising one.
At present industrial ethanol production employs a mesophilic strain of S. cerevisiae. Although there have been
numerous reports of potential applications of thermotolerant yeast strains in industrial ethanol production, in only a
few have been concerned with S. cerevisiae
2.1. Isolation and selection of thermotolerant yeast strains
Yeasts were isolated from soil and water samples from sugar cane plantations and sugar factories in
2.2. Screening of thermotolerant yeasts for ethanol production at high temperature
effect of temperature on ethanol fermentation
pHs were of 4, 4.5, 5 and 5.5
sugar cane juice 22% total sugars Thailand is a tropical country and sugar cane is cultivatedin various parts of the country, but the entire crop is used in sugar production. So far, ethanol production inThailand has used molasses as the substrate; however, this carbon source is becoming limited due to the needs ofmany fermentation industries. Therefore, an alternative renewable carbon source is required to sustain ethanol productionin Thailand, and sugar cane juice seems the most promising one. At present industrial ethanol production employs a mesophilic strain of S. cerevisiae. Although there have beennumerous reports of potential applications of thermotolerant yeast strains in industrial ethanol production, in only afew have been concerned with S. cerevisiae2.1. Isolation and selection of thermotolerant yeast strains Yeasts were isolated from soil and water samples from sugar cane plantations and sugar factories in2.2. Screening of thermotolerant yeasts for ethanol production at high temperatureeffect of temperature on ethanol fermentationpHs were of 4, 4.5, 5 and 5.5
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