Studies On The Development Of Bakers Yeast Using Cane Molasses

Three yeast strains were used for biomass production of baker’s yeast using wine,rnbrewer and baker’s yeast strains. The effect of growing yeast saccharomayces cerevisiaernon cane molasses with respect to baker’s yeast production was assayed. All yeast strainsrnwere cultured in YPD microbiological media and cane molasses media; their growthrnproperties and biomass yield were examined using different substrate concentration ofrncane molasses and different nitrogen source chemical compounds. The studies on thernfeasibility of different types of yeast growth on cane molasses has been analyzed here. Asrna result of the kinetics study of growth of three yeast strains shows that baker’s yeastrnstrain gives the best results to know a generation time reduced high growth rate and arnhigh quantity of biomass. The maximum biomass yield and protein concentration wasrnobtained with the 5 %(w/v) cane molasses of bakers` yeast; the effect of differentrnconcentration of cane molasses (5%, 10% and 15% sugar concentration) on biomass yieldrnand protein concentration of bakers, wine and brewery yeast strains were studied.rnBiomass and protein formation was affected by the type of nitrogen present in thernmedium; high yield of protein being achieved in fermentation medium containing 2 %rn(w/v) (NH4)2SO4. Conversely medium, containing potassium nitrate had suppressiverneffect of protein production. Baker’s yeast production was industrialized using baker’srnyeast strain in 5%(w/v) cane molasses with addition of ammonium sulphate.The resultsrnobtained on industrial scale feasibility study shows that the unit costs for the baker’srnyeast production are $2.4 per kilogram, while the local market price for the baker’s yeastrnis $7.00/kg. It has good market demand and profitability analysis also provides positivernresults.rnKeywords: Baker’s yeast (saccharomayces cerevisiae), Biomass, molasses andrnSingle protein.

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