Growth and biosynthesis of aflatoxin by Aspergillus parasiticus in cultures containing nisin
- 1 January 1980
- journal article
- research article
- Published by Springer Nature in Zeitschrift für Lebensmittel-Untersuchung und Forschung
- Vol. 171 (5) , 341-343
- https://doi.org/10.1007/bf01087128
Abstract
Nisin, 200 or 5000 Reading units/ml, was added toAspergillus parasiticus cultures. The cultures were incubated at 28 °C for 3, 7 or 10 days and analyzed for mycelial dry weight, pH and accumulation of aflatoxin B1 and G1. During the first 3 days of incubation, dry weight, pH decrease and aflatoxin accumulation were suppressed by nisin, when compared with similar values for the nisin-free control. After longer incubation, differences in dry weight and pH values decreased, whereas accumulation of aflatoxin in the nisin-containing cultures surpassed that of the control. Nisin (200 oder 5000 Reading-Einheiten/ml) wurdeAspergillus parasiticus Kulturen zugegeben. Die Kulturen wurden bei 28 °C für 3, 7 oder 10 Tage bebrütet und auf Mycel-Trockengewicht, pH und Aflatoxin-Inhalt geprüft. Während der ersten drei Tage wurden das Wachstum und die Aflatoxin-Biosynthese durch Nisin etwas gehemmt, nach längere Incubation jedoch gefördert.Keywords
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