Effect of temperature on polygalacturonase production by Aspergillus niger
β Scribed by Michael J. Bailey
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 255 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0141-0229
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A mycelium of Aspergillus niger was cultured under various osmotic stresses. When fungus was cultured under osmotic stress, total catalase activity increased with increasing concentration of NaCl, up 0.4 M, but glucose oxidase under this condition significantly decreased. Mycelial growth was repress
Biosynthesis of polygalacturonase (PG) by A . niger strain R 1/214 correlates with the morphology of mycelium in submerged culture. The mean specific PG-synthesis (PG-U . g-1 . h-') increases with the degree of compactness of mycelium. PG-production can be optimized by a precise adjustment of the cu
## Abstract Inhibition of radial growth and spore germination of __Aspergillus niger__ in media with added chitosan were detected. The highest radial growth inhibition (73%) was determined at 24 h with 3 gβΒ·βL^β1^ of chitosan, and the percent inhibition of spore germination was 40% after 13 h of in