Effect of glucose level on the batch production of β-1,3-glucanase by Trichoderma harzianum and cell growth View Full Text


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Article Info

DATE

1999-04

AUTHORS

K. Théodore, T. Panda

ABSTRACT

The effect of initial glucose concentration on β-1, 3-glucanase production by Trichoderma harzianum NCIM 1185 and cell growth was studied in a batch stirred tank bioreactor. The initial glucose level was varied between 5 g/dm3 and 100 g/dm3. A maximum β-1,3-glucanase production of 0.820 U was obtained using the fully optimized medium which had an initial glucose level of 8.63 g/dm3 and thereafter there was a steady decrease in β-1,3-glucanase production. No β-1,3-glucanase production was observed beyond initial glucose concentrations of 40 g/dm3 which suggests a possible catabolic repression on the enzyme synthesis. The inhibitory effect of increased initial glucose concentrations on cell growth has been studied and the Luong and the Han-Levenspiel models were used to explain the mechanism of inhibition. More... »

PAGES

309-311

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/pl00009050

DOI

http://dx.doi.org/10.1007/pl00009050

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1035880189


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