Research Article

Screening and Optimization of α-Glucosidase Inhibitor Production by Potent Strain of Bacillus subtilis Isolated from Peruyaan, Fermented Soy-Food of Northeast India

Table 1

Fermentation conditions and α-GI yield before and after optimization.

Cultivation parametersInitial conditionsOptimized conditions

C/N sourceNBMHB
Cultivation temperature (°C)37°C37°C
Medium/flask volume ratio2/51/5
OD60010−310−4
Cultivation time (day) with maximum α-GI productivity3rd6th
α-GI productivity (U/mL)1616.613 ± 84.544808.324 ± 137.26
Inhibition (IC50μg/mL)1705.617 ± 43.95596.532 ± 44.80