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. (1375). PRODUCTION OF BETA-GALACTOSIDASE IN SUBMERGED MEDIA BY ASPERGILLUS ORYZAE, PTCC 5 163. , 8(1), -.
. "PRODUCTION OF BETA-GALACTOSIDASE IN SUBMERGED MEDIA BY ASPERGILLUS ORYZAE, PTCC 5 163". , 8, 1, 1375, -.
. (1375). 'PRODUCTION OF BETA-GALACTOSIDASE IN SUBMERGED MEDIA BY ASPERGILLUS ORYZAE, PTCC 5 163', , 8(1), pp. -.
. PRODUCTION OF BETA-GALACTOSIDASE IN SUBMERGED MEDIA BY ASPERGILLUS ORYZAE, PTCC 5 163. , 1375; 8(1): -.

PRODUCTION OF BETA-GALACTOSIDASE IN SUBMERGED MEDIA BY ASPERGILLUS ORYZAE, PTCC 5 163

Journal of Sciences, Islamic Republic of Iran
مقاله 4، دوره 8، شماره 1، خرداد 1997    اصل مقاله (371.43 K)
چکیده
Different compositions of liquid media were used for their efficacy in the
production of beta-galactosidase by Aspergillus oryzae in submerged fermentation.
Enzyme production was improved by switching from lactose-based media to soybean
meal- and wheat bran-based media. Further improvement was made when the
soybean meal medium was supplemented with sodium nitrate and magnesium
sulfate. Results also indicate that fungal extracellular beta-galactosidase production
occurs concomitantly with growth on complex media but not on lactose- based media.
The effectiveness of Tween 80 on beta-galactosidase activity was found to depend on
the type of the medium used
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