PJB-2020-194
Spatial Diversity in Aspergillus niger and Yeast cultures in terms of Starch Saccharification and Bioethanol Production
Nazish Manzoor
Abstract
Various strains of A. niger and yeast isolated from soil and corn samples of distinct areas with variable colony counts per area were studied for starch saccharification and ethanol fermentation. A. niger isolated from the soil sample of RB showed highest (57 %) starch saccharification whereas, MMI was less productive in starch saccharification. The corn sample of TB was highest (55 %) in starch saccharification, in comparison to MK. Similarly, yeast strains from the soil samples of JD and corn samples of J produced higher ethanol distillate (29 and 19 mL) compared to the yeast cultures isolated from other areas. Soil and corn samples of MK and J attained highest bioethanol recovery per 100 mL of distillate respectively. Distinct strains of A. niger and yeast present in different areas showed great diversity in saccharification and fermentation, which might be due to variations in microbial strains and the environment around them. The best of A. niger and yeast strains could be used in bioethanol and other industries as a raw material.
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