Abstract
The in-vitro lab experiment was conducted at the Department of Food Process Engineering, Agricultural Engineering College & Research Institute, Tamil Nadu Agricultural University, Coimbatore to find out the effect of physical (UV-C treatment) and chemical treatments (Ozonization and Chlorination) on inactivation of microbial growth in freshly harvested new carrot variety korda collected from farmer Mr. Saji in Hanumanthapuram, Ooty, Tamil Nadu. From the results it was observed that by UV-C irradiation there was one log reduction in microbial growth even at 0.050 kg/m2. Hence, the chosen UV-C dosages were not sufficient for inactivation of total microbial load and were not taken for further study. In case of chemical treatment ozonation and chlorination, treatment with different concentration of chlorine viz., 50, 100, 150 and 200 ppm, and Ozonization for 10, 20 and 30 min. It were concluded that the carrot washed in 200 ppm chlorine concentrated water and in 30 min treated ozone water showed 3 log reductions in bacterial and 2 log reduction in fungal population.
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Claims 4
Claim · model-written summary
UV-C irradiation reduced microbial growth by one log even at 0.050 kg/m2.
- Taxon
- carrot
Daucus carotat0 - Treatment
- UV-C irradiatione0
- Outcome
- microbial growthe0
- Direction
- reductione0
- Value
- one loge0
- Qualifier
- 0.050 kg/m2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“by UV-C irradiation there was one log reduction in microbial growth even at 0.050 kg/m2”
t0“carrot”
Claim · model-written summary
The tested UV-C doses were insufficient to inactivate the total microbial load.
- Taxon
- carrotDaucus carotat0
- Treatment
- UV-C dosagese0
- Outcome
- not sufficient for inactivation of total microbial loade0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the chosen UV-C dosages were not sufficient for inactivation of total microbial load”
t0“carrot”
Claim · model-written summary
Carrots washed with 200 ppm chlorine water or treated with ozone water for 30 min showed a three log bacterial reduction.
- Taxon
- carrotDaucus carotae0
- Treatment
- 200 ppm chlorine concentrated watere0
- Outcome
- bacteriale0
- Direction
- reductionse0
- Value
- 3 loge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carrot washed in 200 ppm chlorine concentrated water and in 30 min treated ozone water showed 3 log reductions in bacterial and 2 log reduction in fungal population”
Claim · model-written summary
Carrots washed with 200 ppm chlorine water or treated with ozone water for 30 min showed a two log fungal reduction.
- Taxon
- carrotDaucus carotae0
- Treatment
- 30 min treated ozone watere0
- Outcome
- fungal populatione0
- Direction
- reductione0
- Value
- 2 loge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carrot washed in 200 ppm chlorine concentrated water and in 30 min treated ozone water showed 3 log reductions in bacterial and 2 log reduction in fungal population”
The same questions in other papers
uv · growth · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- positive
ozone · soil: biology · Daucus carota (carrot)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.