Abstract
Postharvest management of cabbage relies on high-intensity cooling to control postharvest physiology, minimising quality loss despite incurring significant energy and environmental costs. As an alternative, we hypothesised that controlled atmosphere (CA) could allow increased storage temperature by supporting physiological regulation, while maintaining quality and reducing energy demand. This study examined the effect CA (1.5 kPa CO2 and 6 kPa O2) at 5 or 10 °C on cabbage quality, with the aim of proposing a more sustainable and resilient supply chain. CA treatment was effective at reducing head respiration at higher temperature, with CA/10°C treatment achieving lower respiration rates than Control/5°C. Improved head colour retention and maintenance of stump quality were observed in cabbage under CA conditions. CA effects were seen also at a regulatory level; CA promoted an average of 25.4% reduction in abscisic acid accumulation potentially as part of a wider hypoxia stress response and was successful in decreasing expression of the senescence-coordinating transcription factor BoORE15. This finding linked with a lower in downstream expression of pheophytinase and subtilisin protease. These results demonstrated that CA treatment fundamentally modified postharvest physiology in cabbage, which can be exploited to enable storage at warmer temperatures, contributing to supply chains with lower energy demand and its associated environmental impacts.
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Claims 7
Claim · model-written summary
Controlled atmosphere at 10°C reduced cabbage head respiration below the control at 5°C.
- Taxon
- cabbage
Brassica oleracea var. capitatat0 - Treatment
- CA/10°C treatmente0
- Outcome
- head respiratione0
- Direction
- lowere0
- Comparator
- Control/5°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cabbage”
e0“CA treatment was effective at reducing head respiration at higher temperature, with CA/10°C treatment achieving lower respiration rates than Control/5°C.”
Claim · model-written summary
Controlled atmosphere improved cabbage head colour retention.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Treatment
- CA conditionse0
- Outcome
- head colour retentione0
- Direction
- Improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cabbage”
e0“Improved head colour retention and maintenance of stump quality were observed in cabbage under CA conditions.”
Claim · model-written summary
Controlled atmosphere maintained cabbage stump quality.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Treatment
- CA conditionse0
- Outcome
- stump qualitye0
- Direction
- maintenancee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Improved head colour retention and maintenance of stump quality were observed in cabbage under CA conditions.”
Claim · model-written summary
Controlled atmosphere reduced abscisic acid accumulation by an average of 25.4%.
- Taxon
- cabbageBrassica oleracea var. capitatat0
- Treatment
- CAe0
- Outcome
- abscisic acid accumulatione0
- Direction
- reductione0
- Value
- 25.4%e0
- Qualifier
- potentially as part of a wider hypoxia stress responsee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cabbage”
e0“CA promoted an average of 25.4% reduction in abscisic acid accumulation potentially as part of a wider hypoxia stress response”
Claim · model-written summary
Controlled atmosphere decreased expression of BoORE15 in cabbage.
- Taxon
- cabbageBrassica oleracea var. capitatat0
- Treatment
- CAe0
- Gene
- BoORE15e0
- Outcome
- expression of the senescence-coordinating transcription factor BoORE15e0
- Direction
- decreasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cabbage”
e0“CA effects were seen also at a regulatory level; CA promoted an average of 25.4% reduction in abscisic acid accumulation potentially as part of a wider hypoxia stress response and was successful in decreasing expression of the senescence-coordinating transcription factor BoORE15.”
Claim · model-written summary
Controlled atmosphere was linked to lower downstream expression of pheophytinase and subtilisin protease in cabbage.
- Taxon
- cabbageBrassica oleracea var. capitatat0
- Gene
- pheophytinase and subtilisin proteasee0
- Outcome
- downstream expression of pheophytinase and subtilisin proteasee0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cabbage”
e0“This finding linked with a lower in downstream expression of pheophytinase and subtilisin protease.”
Claim · model-written summary
The authors conclude that controlled atmosphere can enable warmer cabbage storage with lower energy demand.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Treatment
- CA treatmente0
- Outcome
- storage at warmer temperaturese0
- Qualifier
- lower energy demande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cabbage”
e0“CA treatment fundamentally modified postharvest physiology in cabbage, which can be exploited to enable storage at warmer temperatures, contributing to supply chains with lower energy demand and its associated environmental impacts.”
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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.