Abstract:
:The objective of the present study was to measure the production of cutinase by Fusarium oxysporum in the presence of several carbon and nitrogen sources (glycides, fatty acids and oils, and several organic and inorganic nitrogen sources), trying to find a cost-effective substitute for cutin in the culture medium as an inducer of cutinase production. The results were evaluated by the Tukey test, and flaxseed oil was found to give the best results as a cutinase inducer. The authors optimized the composition of the growth medium employing response surface methodology. The experimental results were fitted to a second-order polynomial model at a 95% level of significance (p < 0.05). The greatest cutinolytic activity was obtained in a liquid mineral medium supplemented with flaxseed oil, showing an increase in enzymatic activity from 11 to 22.68 U/mL after 48 h of fermentation. A CCD study of the fermentation conditions was carried out, and the best production of cutinase was registered with the use of 30 degrees C and 100 rpm. These results support the use of flaxseed oil as a substitute for cutin, which is difficult and expensive to obtain, for the production of cutinase in a larger scale.
journal_name
J Ind Microbiol Biotechnoljournal_title
Journal of industrial microbiology & biotechnologyauthors
Pio TF,Macedo GAdoi
10.1007/s10295-007-0266-9subject
Has Abstractpub_date
2008-01-01 00:00:00pages
59-67issue
1eissn
1367-5435issn
1476-5535journal_volume
35pub_type
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