Abstract
This study was designed to evaluate the use of non-chlorine sanitizer in enhancing quality, microbial safety, and increased shelf life of carrots under various low-cost packaging and storage at commercial cold storage. The study results revealed that irrespective of packaging conditions, none of the washed carrots stored in a commercial cold storage for six months was found cross the upper threshold microbial limit (7.0 log CFU/g) compared to non-washed sample and thus acceptable in microbial quality. Among the packaging and washing treatment, waste shell powder (WSP) washed carrots kept in a plastic crate or CFB carton packaged showed better microbial quality, lower decay and weight loss, higher firmness, and acceptable color values than chlorine washed and non-washed carrots under cold storage condition for 6 months. Although, the overall nutritional quality of 6-months stored carrots decreased significantly, but WSP washed carrots showed relatively equal or higher phytochemicals than that of chlorine water-washed carrots. Practical applications The postharvest losses of horticultural products justify the use of preservation techniques and processing not only adds value to the products, but also makes the products more convenient to the consumers. In this study we find, simple changes in packaging (from Jute sack package to plastic crate packages) resulted in better quality carrots (less damage/decay) than that of existing storage practices. Therefore, this study results demonstrated that washing matured raw carrots with non-chlorine sanitizer and packaged in the plastic crate was able to provide safe and quality carrots after holding 6 months at cold storage.
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Claims 8
Claim · model-written summary
Washed carrots remained below the microbial threshold after six months of cold storage.
- Taxon
- carrots
Daucus carotae0 - Treatment
- washede0
- Outcome
- upper threshold microbial limite0
- Value
- 7.0 log CFU/ge0
- Comparator
- non-washed samplee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“none of the washed carrots stored in a commercial cold storage for six months was found cross the upper threshold microbial limit (7.0 log CFU/g) compared to non-washed sample”
Claim · model-written summary
WSP washed carrots in crates or cartons had better microbial quality than chlorine washed and nonwashed carrots.
- Taxon
- carrotsDaucus carotae0
- Treatment
- waste shell powder (WSP) washede0
- Outcome
- microbial qualitye0
- Direction
- bettere0
- Comparator
- chlorine washed and non-washed carrotse0
- Setting
- cold storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waste shell powder (WSP) washed carrots kept in a plastic crate or CFB carton packaged showed better microbial quality, lower decay and weight loss, higher firmness, and acceptable color values than chlorine washed and non-washed carrots under cold storage condition for 6 months”
Claim · model-written summary
WSP washing and crate or carton packaging lowered decay and weight loss.
- Taxon
- carrotsDaucus carotae0
- Treatment
- waste shell powder (WSP) washede0
- Outcome
- decay and weight losse0
- Direction
- lowere0
- Comparator
- chlorine washed and non-washed carrotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waste shell powder (WSP) washed carrots kept in a plastic crate or CFB carton packaged showed better microbial quality, lower decay and weight loss, higher firmness, and acceptable color values than chlorine washed and non-washed carrots under cold storage condition for 6 months”
Claim · model-written summary
WSP washing and crate or carton packaging maintained higher firmness.
- Taxon
- carrotsDaucus carotae0
- Treatment
- waste shell powder (WSP) washede0
- Outcome
- firmnesse0
- Direction
- highere0
- Comparator
- chlorine washed and non-washed carrotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waste shell powder (WSP) washed carrots kept in a plastic crate or CFB carton packaged showed better microbial quality, lower decay and weight loss, higher firmness, and acceptable color values than chlorine washed and non-washed carrots under cold storage condition for 6 months”
Claim · model-written summary
WSP washed packaged carrots showed acceptable color values.
- Taxon
- carrotsDaucus carotae0
- Treatment
- waste shell powder (WSP) washede0
- Outcome
- acceptable color valuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waste shell powder (WSP) washed carrots kept in a plastic crate or CFB carton packaged showed better microbial quality, lower decay and weight loss, higher firmness, and acceptable color values”
Claim · model-written summary
Overall nutritional quality decreased significantly after six months of storage.
- Taxon
- carrotsDaucus carotae0
- Outcome
- overall nutritional qualitye0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the overall nutritional quality of 6-months stored carrots decreased significantly”
Claim · model-written summary
WSP washed carrots had equal or higher phytochemicals than chlorine washed carrots.
- Taxon
- carrotsDaucus carotae0
- Treatment
- WSP washede0
- Outcome
- phytochemicalse0
- Direction
- equal or highere0
- Comparator
- chlorine water-washed carrotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WSP washed carrots showed relatively equal or higher phytochemicals than that of chlorine water-washed carrots”
Claim · model-written summary
Plastic crate packaging yielded less carrot damage and decay than jute sacks.
- Taxon
- carrotsDaucus carotae0
- Treatment
- plastic crate packagese0
- Outcome
- damage/decaye0
- Direction
- lesse0
- Comparator
- Jute sack packagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“from Jute sack package to plastic crate packages) resulted in better quality carrots (less damage/decay) than that of existing storage practices”
The same questions in other papers
storage · disease · Daucus carota (carrot)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- positive
botanical · disease · Daucus carota (carrot)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →botanical · quality: postharvest · Daucus carota (carrot)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →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.