Abstract
The effect of bacterial cellulose nanocrystal–fish gelatin/cinnamon essential oil (BCNCs–FGelA/CEO) nanocoatings containing different concentrations of essential oil (1.2, 1.8, and 2.4 mL/L) on reducing the ripening and aging processes of ‘Red Gold’ nectarine fruit during cold storage (60 days, 4 °C) was studied. As a general trend, the application of the coating delayed the ripening process, and increasing the concentration of essential oil was effective in improving the coating efficacy. After 60 days, the lowest values of weight loss (6.93%), peroxidase and polyphenol oxidase activity (11.49 and 0.48 abs min−1 g−1, respectively), soluble solid content (14.56%), and pH (4.17) were detected for samples covered with the BCNCs–FGelA coatings containing the highest tested CEO concentration, whereas the maximum values of the same parameters (20.68%, 18.74 and 0.76 abs min−1 g−1, 17.93%, and 4.39, respectively) were found in the uncoated samples. In addition, increasing the concentration of the essential oil resulted in a better preservation of the firmness, ascorbic acid, and total acidity of the samples. Finally, the respiration rate and ethylene production of coated samples were lower than those detected in uncoated samples, though some differences arose depending on the amount of CEO loaded in the coatings. This study showed the capability of BCNCs–FGelA/CEO coatings to increase the cold storage period and preserve the quality of ‘Red Gold’ nectarine fruit, thereby reducing losses and increasing economic efficiency in the fruit industry.
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Claims 10
Claim · model-written summary
The coating delayed the ripening process of nectarine fruit during cold storage.
- Taxon
- Nectarines
Prunus persica var. nucipersicat0 - Treatment
- the coatinge0
- Outcome
- ripening processe0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of the coating delayed the ripening process”
t0“Nectarines”
Claim · model-written summary
Increasing the essential oil concentration improved the efficacy of the coating.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- increasing the concentration of essential oile0
- Outcome
- coating efficacye0
- Direction
- improvinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the concentration of essential oil was effective in improving the coating efficacy”
t0“Nectarines”
Claim · model-written summary
After 60 days, weight loss was lowest (6.93%) with the highest CEO coating, against a maximum of 20.68% in uncoated samples.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- BCNCs–FGelA coatings containing the highest tested CEO concentratione0
- Outcome
- weight losse0
- Direction
- loweste0
- Value
- 6.93%e0
- Qualifier
- 20.68%e1
- Comparator
- uncoated samplese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest values of weight loss (6.93%), peroxidase and polyphenol oxidase activity (11.49 and 0.48 abs min−1 g−1, respectively), soluble solid content (14.56%), and pH (4.17) were detected for samples covered with the BCNCs–FGelA coatings containing the highest tested CEO concentration”
e1“the maximum values of the same parameters (20.68%, 18.74 and 0.76 abs min−1 g−1, 17.93%, and 4.39, respectively) were found in the uncoated samples”
t0“Nectarines”
Claim · model-written summary
After 60 days, peroxidase activity was lowest (11.49 abs min−1 g−1) with the highest CEO coating, against 18.74 in uncoated samples.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- BCNCs–FGelA coatings containing the highest tested CEO concentratione0
- Outcome
- peroxidasee0
- Direction
- loweste0
- Value
- 11.49e0
- Qualifier
- 18.74e1
- Comparator
- uncoated samplese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest values of weight loss (6.93%), peroxidase and polyphenol oxidase activity (11.49 and 0.48 abs min−1 g−1, respectively), soluble solid content (14.56%), and pH (4.17) were detected for samples covered with the BCNCs–FGelA coatings containing the highest tested CEO concentration”
e1“the maximum values of the same parameters (20.68%, 18.74 and 0.76 abs min−1 g−1, 17.93%, and 4.39, respectively) were found in the uncoated samples”
t0“Nectarines”
Claim · model-written summary
After 60 days, polyphenol oxidase activity was lowest (0.48 abs min−1 g−1) with the highest CEO coating, against 0.76 in uncoated samples.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- BCNCs–FGelA coatings containing the highest tested CEO concentratione0
- Outcome
- polyphenol oxidase activitye0
- Direction
- loweste0
- Value
- 0.48 abs min−1 g−1e0
- Qualifier
- 0.76 abs min−1 g−1e1
- Comparator
- uncoated samplese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest values of weight loss (6.93%), peroxidase and polyphenol oxidase activity (11.49 and 0.48 abs min−1 g−1, respectively), soluble solid content (14.56%), and pH (4.17) were detected for samples covered with the BCNCs–FGelA coatings containing the highest tested CEO concentration”
e1“the maximum values of the same parameters (20.68%, 18.74 and 0.76 abs min−1 g−1, 17.93%, and 4.39, respectively) were found in the uncoated samples”
t0“Nectarines”
Claim · model-written summary
After 60 days, soluble solid content was lowest (14.56%) with the highest CEO coating, against 17.93% in uncoated samples.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- BCNCs–FGelA coatings containing the highest tested CEO concentratione0
- Outcome
- soluble solid contente0
- Direction
- loweste0
- Value
- 14.56%e0
- Qualifier
- 17.93%e1
- Comparator
- uncoated samplese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest values of weight loss (6.93%), peroxidase and polyphenol oxidase activity (11.49 and 0.48 abs min−1 g−1, respectively), soluble solid content (14.56%), and pH (4.17) were detected for samples covered with the BCNCs–FGelA coatings containing the highest tested CEO concentration”
e1“the maximum values of the same parameters (20.68%, 18.74 and 0.76 abs min−1 g−1, 17.93%, and 4.39, respectively) were found in the uncoated samples”
t0“Nectarines”
Claim · model-written summary
After 60 days, pH was lowest (4.17) with the highest CEO coating, against 4.39 in uncoated samples.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- BCNCs–FGelA coatings containing the highest tested CEO concentratione0
- Outcome
- pHe0
- Direction
- loweste0
- Value
- 4.17e0
- Qualifier
- 4.39e1
- Comparator
- uncoated samplese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest values of weight loss (6.93%), peroxidase and polyphenol oxidase activity (11.49 and 0.48 abs min−1 g−1, respectively), soluble solid content (14.56%), and pH (4.17) were detected for samples covered with the BCNCs–FGelA coatings containing the highest tested CEO concentration”
e1“the maximum values of the same parameters (20.68%, 18.74 and 0.76 abs min−1 g−1, 17.93%, and 4.39, respectively) were found in the uncoated samples”
t0“Nectarines”
Claim · model-written summary
Increasing essential oil concentration resulted in better preservation of firmness, ascorbic acid and total acidity.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- increasing the concentration of the essential oile0
- Outcome
- firmness, ascorbic acid, and total aciditye0
- Direction
- better preservatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the concentration of the essential oil resulted in a better preservation of the firmness, ascorbic acid, and total acidity of the samples”
t0“Nectarines”
Claim · model-written summary
Respiration rate and ethylene production were lower in coated samples than in uncoated samples, with some differences depending on CEO amount.
- Taxon
- NectarinesPrunus persica var. nucipersicat0
- Treatment
- coated samplese0
- Outcome
- respiration rate and ethylene productione0
- Direction
- lowere0
- Comparator
- uncoated samplese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the respiration rate and ethylene production of coated samples were lower than those detected in uncoated samples”
t0“Nectarines”
Claim · model-written summary
The authors conclude that BCNCs–FGelA/CEO coatings can increase the cold storage period and preserve quality of Red Gold nectarine fruit.
- Taxon
- nectarinePrunus persica var. nucipersicae0
- Material
- ‘Red Gold’e0
- Treatment
- BCNCs–FGelA/CEO coatingse0
- Outcome
- cold storage periode0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the capability of BCNCs–FGelA/CEO coatings to increase the cold storage period and preserve the quality of ‘Red Gold’ nectarine fruit”
t0“Nectarines”
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