Abstract
`Fallglo' is an early season variety of tangerine that has become known among citrus packers for its susceptibility to postharvest peel disorders. Among these disorders is postharvest pitting, a disorder characterized by the collapse of the peel during the storage of waxed fruit at room temperature. In this study, the effects of wax application on selected postharvest storage characteristics were evaluated. Fruit were either not waxed or waxed with carnauba-, polyethylene-, or shellac-based waxes obtained from four suppliers of commercial citrus coatings and were stored at 21°C. In general, waxing reduced weight loss and improved shine. Waxing with shellac-based waxes significantly decreased internal O 2 levels (5% vs. 19% for non-waxed fruit) and increased internal CO 2 (6% vs. 2% for non-waxed fruit) and ethanol levels. Waxing with shellac-based waxes also significantly reduced post-packing degreening and stimulated pitting. Waxing with more gas-permeable coatings (carnaubaand polyethylene-based waxes) resulted in less internal gas modification than that of the shellac-based treatments, and low incidences of pitting. Controlled atmosphere studies showed that low (4%) O 2 , rather than high (8%) CO 2 , inhibited post-packing degreening and stimulated pitting.
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Claims 11
Claim · model-written summary
Waxing reduced weight loss of tangerine fruit during storage.
- Taxon
- tangerines
.jpg?width=60)
Citrus reticulatat0 - Treatment
- waxinge2
- Outcome
- weight losse2
- Direction
- reducede2
- Comparator
- not waxede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Fallglo' Tangerines”
e1“Fruit were either not waxed or waxed with carnauba-, polyethylene-, or shellac-based waxes”
e2“In general, waxing reduced weight loss and improved shine”
Claim · model-written summary
Waxing improved the shine of tangerine fruit.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- waxinge2
- Outcome
- shinee2
- Direction
- improvede2
- Comparator
- not waxede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e1“Fruit were either not waxed or waxed with carnauba-, polyethylene-, or shellac-based waxes”
e2“In general, waxing reduced weight loss and improved shine”
Claim · model-written summary
Shellac-based waxes decreased internal O 2 levels in tangerine fruit (5% vs. 19% in non-waxed fruit).
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- shellac-based waxese3
- Outcome
- internal O 2 levelse3
- Direction
- decreasede3
- Value
- 5% vs. 19%e3
- Comparator
- non-waxed fruite3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e3“Waxing with shellac-based waxes significantly decreased internal O 2 levels (5% vs. 19% for non-waxed fruit) and increased internal CO 2 (6% vs. 2% for non-waxed fruit) and ethanol levels”
Claim · model-written summary
Shellac-based waxes increased internal CO 2 in tangerine fruit (6% vs. 2% in non-waxed fruit).
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- shellac-based waxese3
- Outcome
- internal CO 2e3
- Direction
- increasede3
- Value
- 6% vs. 2%e3
- Comparator
- non-waxed fruite3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e3“Waxing with shellac-based waxes significantly decreased internal O 2 levels (5% vs. 19% for non-waxed fruit) and increased internal CO 2 (6% vs. 2% for non-waxed fruit) and ethanol levels”
Claim · model-written summary
Shellac-based waxes increased ethanol levels in tangerine fruit.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- shellac-based waxese3
- Outcome
- ethanol levelse3
- Direction
- increasede3
- Comparator
- non-waxed fruite3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e3“Waxing with shellac-based waxes significantly decreased internal O 2 levels (5% vs. 19% for non-waxed fruit) and increased internal CO 2 (6% vs. 2% for non-waxed fruit) and ethanol levels”
Claim · model-written summary
Shellac-based waxes significantly reduced post-packing degreening of tangerine fruit.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- shellac-based waxese4
- Outcome
- post-packing degreeninge4
- Direction
- reducede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e4“Waxing with shellac-based waxes also significantly reduced post-packing degreening and stimulated pitting”
Claim · model-written summary
Shellac-based waxes significantly stimulated pitting of tangerine fruit.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- shellac-based waxese4
- Outcome
- pittinge4
- Direction
- stimulatede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e4“Waxing with shellac-based waxes also significantly reduced post-packing degreening and stimulated pitting”
Claim · model-written summary
More gas-permeable wax coatings resulted in less internal gas modification than shellac-based treatments.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- more gas-permeable coatingse5
- Outcome
- internal gas modificatione5
- Direction
- lesse5
- Comparator
- shellac-based treatmentse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e5“Waxing with more gas-permeable coatings (carnaubaand polyethylene-based waxes) resulted in less internal gas modification than that of the shellac-based treatments, and low incidences of pitting”
Claim · model-written summary
More gas-permeable wax coatings gave low incidences of pitting in tangerine fruit.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- more gas-permeable coatingse5
- Outcome
- incidences of pittinge5
- Direction
- lowe5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e5“Waxing with more gas-permeable coatings (carnaubaand polyethylene-based waxes) resulted in less internal gas modification than that of the shellac-based treatments, and low incidences of pitting”
Claim · model-written summary
Low oxygen controlled atmosphere inhibited post-packing degreening compared with high carbon dioxide.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- low (4%) O 2e6
- Outcome
- post-packing degreeninge6
- Direction
- inhibitede6
- Comparator
- high (8%) CO 2e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e6“Controlled atmosphere studies showed that low (4%) O 2 , rather than high (8%) CO 2 , inhibited post-packing degreening and stimulated pitting”
Claim · model-written summary
Low oxygen controlled atmosphere stimulated pitting compared with high carbon dioxide.
- Taxon
- tangerinesCitrus reticulatat0
- Treatment
- low (4%) O 2e6
- Outcome
- pittinge6
- Direction
- stimulatede6
- Comparator
- high (8%) CO 2e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Fallglo' Tangerines”
e6“Controlled atmosphere studies showed that low (4%) O 2 , rather than high (8%) CO 2 , inhibited post-packing degreening and stimulated pitting”