Microbiological dynamics involved in cereal-porridge production using maize and sorghum

نویسندگان

چکیده

Cereal-porridge(‘ogi’) was produced by spontaneous fermentation using maize and sorghum substrates. The microbiological dynamics involved were monitored over a period of 48h fermentation. Bacteria, yeasts moulds isolated. Based on the morphological, cultural biochemical test results, aerobic bacterial isolates identified as Proteus vulgaris, mirabilis, Klebsiella sp, Staphylococcus aureus, Lactobacillus Pseudomonas Citrobacter Bacillus Shigella Escherichia coli. Lactic acid bacteria Lactococcus Enterococcus fermentum, sp. yeast 2 strains Saccharomyces cerevisiae, one other sp Candida Aspergillus niger, flavus, Rhizopus Penicillium lactic (LAB) isolated lactis, Enterobacter spp, 5 fermentum 1 initial total viable count at 0h in maize, maize-sorghum blend 4.6 × 104, 7.3 104 2.4 105cfu/ml respectively. growths rose to peaks 6.5 107 3.9 107cfu/ml 24h blend, A Peak 4.7 x attained 36h sorghum. Coliform three samples growth 12h reduced till there no 48h. increased numbers end pH value lowest sample (5.43) highest (5.75). Final values 3.76, 3.78 3.75 There significant differences between microbial patterns, changes pH, titratable acidity (TTA) amylase enzymatic activities during

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ژورنال

عنوان ژورنال: GSC biological and pharmaceutical sciences

سال: 2022

ISSN: ['2581-3250']

DOI: https://doi.org/10.30574/gscbps.2022.18.1.0369