Tests of biological activity of metabolites from Penicillium expansum (Link) Thom various isolates
Borecka, Halina | Pytel, Mariola | Fenney, Marie
Aqrobacterium tumefaciens and cucumber, mustard and linseeds were compared as test organisms for evaluation of the biological activity of patulin. It was found that the reaction of cucumber seeds and linseed to the patulin concentrations was more pronounced than that of mustard and Aqrobacterium tumefaciens. The activity of metabolites produced by Penicillium expansum was investigated with the use of cucumber seeds. As measure of activity served the percentage of radicule growth inhibition was compared with the growth in control seeds. The biological activity of the metabolites was specific for the isolates, those from apples being more active. Thirty two isolates from pears and 34 from apples were examined.
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