Abstract
Summary The aim of this work was to investigate the possibility of using UV irradiation for degradation of deoxynivalenol (DON) in naturally contaminated maize samples. The study was carried out by varying the distance of the contaminated maize from the UVA (368 nm) and UVC (254 nm) light source and duration of exposure of contaminated maize to UV irradiation. Two control samples of maize were used for the irradiation procedure, at DON levels of 1.902 mg/kg and 5.334 mg/kg. The samples were exposed to both UVA and UVC light at two different distances from UV lamp (15 and 30 cm) during three exposure intervals (30, 60 and 120 minutes). After irradiation DON content was determinated so the reduction levels could be quantified. Generally, the results showed reduced DON content in treated samples, but they were not consistent. The most probable reason for this was a very uneven DON distribution in naturally contaminated samples. For this reason, further research must be performed and should include irradiation of artificially inoculated samples with consistent DON distribution, the amount of irradiated sample needs to be enlarged and the higher number of replicates should be analyzed. As an additional improvement, an increase in frequency of sample mixing during the irradiation procedure needs to be done.
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Claims 3
Claim · model-written summary
UV irradiation generally reduced DON content in treated maize samples, but the reductions were not consistent.
- Treatment
- UV irradiatione0
- Outcome
- DON contente2
- Direction
- reducede2
- Qualifier
- but they were not consistente2
- Comparator
- control samplese1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Preliminary Results on Deoxynivalenol Degradation in Maize by UVA and UVC Irradiation”
e0“using UV irradiation for degradation of deoxynivalenol (DON) in naturally contaminated maize samples”
e1“Two control samples of maize were used for the irradiation procedure, at DON levels of 1.902 mg/kg and 5.334 mg/kg”
e2“Generally, the results showed reduced DON content in treated samples, but they were not consistent”
Claim · model-written summary
The inconsistent DON reduction is most probably explained by a very uneven DON distribution in naturally contaminated samples.
- Outcome
- they were not consistente2
- Qualifier
- a very uneven DON distribution in naturally contaminated samplese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Preliminary Results on Deoxynivalenol Degradation in Maize by UVA and UVC Irradiation”
e2“Generally, the results showed reduced DON content in treated samples, but they were not consistent”
e3“The most probable reason for this was a very uneven DON distribution in naturally contaminated samples”
Claim · model-written summary
Further research should irradiate artificially inoculated maize samples with consistent DON distribution.
- Outcome
- irradiation of artificially inoculated samplese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Preliminary Results on Deoxynivalenol Degradation in Maize by UVA and UVC Irradiation”
e4“further research must be performed and should include irradiation of artificially inoculated samples with consistent DON distribution”
The same questions in other papers
uv · disease · Zea mays (maize)Results agree
2 papers in the same direction as this paper
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.