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Alteration of yeast activity by gamma radiation


Yeast is an important component in microbe based industrial technologies. Due to the techno-economic reasons, the fermentation technique has acquired renewed interest. The effect of γ-radiation on the fermentation reaction has been investigated. The studies show that exposure of the fermentation mixture to γ-radiation at 5 kGy enhance alcohol production, whereas irradiation at higher doses, viz., 10 kGy and 25 kGy caused a considerable reduction in the alcohol yield. Therefore, low dose irradiation of fermentation mixtures can be applied for increasing the alcohol production by about 25%.

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Chacharkar, M.P., Tak, B.B. & Bhati, J. Alteration of yeast activity by gamma radiation. Journal of Radioanalytical and Nuclear Chemistry Letters 213, 79–86 (1996). https://doi.org/10.1007/BF02162488

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  • Radiation
  • Alcohol
  • Physical Chemistry
  • Fermentation
  • Inorganic Chemistry