Abstract
Calçots are the immature floral stems of the second-year onion ( Allium cepa L.) resprouts. Modified atmosphere packaging or vacuum packaging are suitable alternatives to preserve fresh-cut vegetables. The objective of this study was to evaluate the effect of postharvest storage time of raw vegetable stored under controlled atmosphere and used packaging system after minimal processing on the quality of fresh-cut calçots. Calçots used for minimal processing were stored under 1.0 kPa O 2 + 2.0 kPa CO 2 at 1 ℃ for 30 and 60 days. Fresh-cut calçots were packaged using passive modified atmosphere packaging or vacuum packaging and were stored at 4 ℃ for 15 days. Calçots stored under controlled atmosphere for 30 days presented better retention of quality and in turn, being more suitable for minimally processing. Vacuum packaging preserved the physicochemical quality of fresh-cut calçots better after 15 days. Mesophilic aerobic counts were also higher in fresh-cut calçots stored under modified atmosphere packaging, but all counts were below the recommended limits during and at the end of their shelf-life (15 days). The most suitable conservation strategy might be to store whole calçots under controlled atmosphere for 30 days and after minimally processing, packaged under vacuum in order to extend the shelf-life of fresh-cut calçots.
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Claims 5
Claim · model-written summary
Calçots stored under controlled atmosphere for 30 days retained quality better.
- Taxon
- Allium cepa
Allium cepae4 - Treatment
- controlled atmospheree1
- Outcome
- retention of qualitye1
- Direction
- bettere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Calçots stored under controlled atmosphere for 30 days presented better retention of quality and in turn, being more suitable for minimally processing”
e4“second-year onion ( Allium cepa L.)”
Claim · model-written summary
Vacuum packaging preserved physicochemical quality of fresh-cut calçots better than passive modified atmosphere packaging after 15 days.
- Taxon
- Allium cepaAllium cepae4
- Treatment
- Vacuum packaginge3
- Outcome
- physicochemical qualitye3
- Direction
- bettere3
- Qualifier
- after 15 dayse3
- Comparator
- passive modified atmosphere packaginge2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Vacuum packaging preserved the physicochemical quality of fresh-cut calçots better after 15 days”
e2“Fresh-cut calçots were packaged using passive modified atmosphere packaging or vacuum packaging”
e4“second-year onion ( Allium cepa L.)”
Claim · model-written summary
Mesophilic aerobic counts were higher in fresh-cut calçots under modified atmosphere packaging.
- Taxon
- Allium cepaAllium cepae4
- Treatment
- modified atmosphere packaginge5
- Outcome
- Mesophilic aerobic countse5
- Direction
- highere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Mesophilic aerobic counts were also higher in fresh-cut calçots stored under modified atmosphere packaging”
e4“second-year onion ( Allium cepa L.)”
Claim · model-written summary
All mesophilic aerobic counts stayed below the recommended limits during and at the end of shelf life.
- Taxon
- Allium cepaAllium cepae4
- Outcome
- countse6
- Direction
- belowe6
- Qualifier
- during and at the end of their shelf-life (15 days)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“all counts were below the recommended limits during and at the end of their shelf-life (15 days)”
e4“second-year onion ( Allium cepa L.)”
Claim · model-written summary
Storing whole calçots under controlled atmosphere for 30 days, then vacuum packaging after minimal processing, is the most suitable conservation strategy.
- Taxon
- Allium cepaAllium cepae4
- Treatment
- store whole calçots under controlled atmosphere for 30 dayse7
- Outcome
- most suitable conservation strategye7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“The most suitable conservation strategy might be to store whole calçots under controlled atmosphere for 30 days and after minimally processing, packaged under vacuum”
e4“second-year onion ( Allium cepa L.)”
The same questions in other papers
storage · quality: general · Allium cepa (onion)Positive and negative results
8 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
7 papers more in this group
See all 11 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.