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Fusarin C Production by Fusarium spp. from Spain.
Maria J Cantalejo1, José M Carrasco1, E Hernández1
1Department of Biotechnology, Polytechnic University of Valencia, Camino de Vera, 14, 46022 Valencia, Spain.
Journal of Food Protection
|April 28, 2019
Summary
Over 57% of Fusarium isolates from Spanish grains and feedstuffs produced fusarin C, a mycotoxin. Geographical origin did not significantly impact fusarin C production levels.
Area of Science:
- Mycology
- Food Safety
- Agricultural Science
Background:
- Fusarium species are common contaminants of grains and feedstuffs.
- Fusarin C is a mycotoxin produced by some Fusarium species, posing potential risks to animal and human health.
- Understanding the prevalence and production capacity of fusarin C is crucial for food safety assessments.
Purpose of the Study:
- To determine the prevalence of fusarin C production among Fusarium isolates from Spanish grains and feedstuffs.
- To investigate the influence of geographical origin on fusarin C production.
- To identify Fusarium species capable of producing fusarin C.
Main Methods:
- Isolation and cultivation of Fusarium species from 657 grain and feedstuff samples.
- Screening of isolates for fusarin C production using a modified synthetic liquid medium.
- Quantification and verification of fusarin C using spectrophotometry, TLC, HPLC, and NMR.
Main Results:
- 154 Fusarium isolates were obtained, with over 57% demonstrating fusarin C production.
- Fusarin C levels ranged from 0.04 to 200 μg/liter.
- No significant differences in production levels were observed based on geographical origin.
- Fusarin C production was confirmed in Fusarium moniliforme, Fusarium oxysporum, Fusarium sporotrichioides, and Fusarium poae.
Conclusions:
- A high proportion of Fusarium isolates in Spain are capable of producing fusarin C.
- Fusarium oxysporum is identified as a producer of fusarin C for the first time.
- Geographical location does not appear to be a limiting factor for fusarin C production in the surveyed areas.
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