Abstract
Several techniques have been developed to preserve the quality of horticultural products throughout the supply chain. Edible coatings represent a promising technology as they can improve quality and extend shelf life of fruit and vegetables by changing gases and moisture permeabilties, enhancing fruit appearance, and reducing microbial contamination.The aim of this work was to assess the effectiveness of two kinds of novel coatings on the shelf life extension of Honeydew winter melons during retail. Sixty melons were used: 24 were uncoated as control; 18 were treated with a cellulose polymer coating (F1) and 18 with a synthetic polymer (F2) coating. Upon arrival, and after 6, 9 and 13 days at 13°C, six melons/treatment were individually analyzed for internal O2, ethylene and ethane concentrations, fermentative metabolites, quality parameters, and aroma pattern. Already after six days, internal O2 levels in coated fruit fell to ~1% in F1 and ~3% in F2 melons, triggering fermentative pathways as shown by the increased productions, mainly in F1 fruit, of acetaldehyde, ethanol, ethyl acetate, and ethane. This pattern caused changes in the responses of electronic nose sensors which were able to distinguish the three treatments. Coating did not influence fruit firmness and internal ethylene concentration. F1 coating reduced soluble solids content, strongly enhanced skin glossiness, and delayed yellowing, but it was not able to prevent moisture losses. In contrast, F2 coating significantly reduced weight loss and showed a slight positive effect on fruit appearance.
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Claims 12
Claim · model-written summary
F1-coated fruit had internal O2 near 1% after six days.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)
.jpg?width=60)
Cucumis melot0 - Treatment
- F1e0
- Outcome
- internal O2 levelse0
- Direction
- felle0
- Value
- ~1%e0
- Qualifier
- after six dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“Already after six days, internal O2 levels in coated fruit fell to ~1% in F1 and ~3% in F2 melons”
Claim · model-written summary
F2-coated fruit had internal O2 near 3% after six days.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F2e0
- Outcome
- internal O2 levelse0
- Direction
- felle0
- Value
- ~3%e0
- Qualifier
- after six dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“Already after six days, internal O2 levels in coated fruit fell to ~1% in F1 and ~3% in F2 melons”
Claim · model-written summary
Coating increased acetaldehyde, ethanol and ethyl acetate production, mainly in F1 fruit.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F1 fruite0
- Outcome
- acetaldehyde, ethanol, ethyl acetatee0
- Direction
- increasede0
- Qualifier
- mainly in F1 fruite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“triggering fermentative pathways as shown by the increased productions, mainly in F1 fruit, of acetaldehyde, ethanol, ethyl acetate, and ethane”
Claim · model-written summary
Coating increased ethane production, mainly in F1 fruit.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F1 fruite0
- Outcome
- ethanee0
- Direction
- increasede0
- Qualifier
- mainly in F1 fruite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“triggering fermentative pathways as shown by the increased productions, mainly in F1 fruit, of acetaldehyde, ethanol, ethyl acetate, and ethane”
Claim · model-written summary
Electronic nose sensor responses distinguished the three treatments.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Outcome
- distinguish the three treatmentse0
- Comparator
- the three treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“This pattern caused changes in the responses of electronic nose sensors which were able to distinguish the three treatments”
Claim · model-written summary
Coating did not influence fruit firmness or internal ethylene concentration.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- Coatinge0
- Outcome
- fruit firmness and internal ethylene concentratione0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“Coating did not influence fruit firmness and internal ethylene concentration”
Claim · model-written summary
F1 coating reduced soluble solids content.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F1 coatinge0
- Outcome
- soluble solids contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“F1 coating reduced soluble solids content”
Claim · model-written summary
F1 coating strongly enhanced skin glossiness.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F1 coatinge0
- Outcome
- skin glossinesse0
- Direction
- strongly enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“F1 coating reduced soluble solids content, strongly enhanced skin glossiness, and delayed yellowing”
Claim · model-written summary
F1 coating delayed yellowing.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F1 coatinge0
- Outcome
- yellowinge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“F1 coating reduced soluble solids content, strongly enhanced skin glossiness, and delayed yellowing”
Claim · model-written summary
F1 coating did not prevent moisture losses.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F1 coatinge0
- Outcome
- moisture lossese0
- Direction
- not able to prevente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“F1 coating reduced soluble solids content, strongly enhanced skin glossiness, and delayed yellowing, but it was not able to prevent moisture losses”
Claim · model-written summary
F2 coating significantly reduced weight loss.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F2 coatinge0
- Outcome
- weight losse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“F2 coating significantly reduced weight loss”
Claim · model-written summary
F2 coating slightly improved fruit appearance.
- Taxon
- honeydew melon fruit (Cucumis melo L. inodorus)Cucumis melot0
- Treatment
- F2 coatinge0
- Outcome
- fruit appearancee0
- Direction
- positive effecte0
- Qualifier
- slighte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“honeydew melon fruit (Cucumis melo L. inodorus)”
e0“F2 coating significantly reduced weight loss and showed a slight positive effect on fruit appearance”
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