Abstract
In this study, we prepared sodium alginate (SA) and montmorillonite (MMT) composite films for application in coatings for strawberry preservation. SA and MMT were used as the matrix and glycerol was used as a plasticizer. Six types of composite films with different MMT contents were compared by analyzing their mechanical properties, permeability, and preservation effects. The results show that the mechanical properties of the 10 and 20% MMT composite films were superior, with tensile strength and fracture elongation values reaching 63.09 and 48.06 MPa and 5.75 and 6.47%, respectively. Increased MMT content caused the water vapor permeability to decrease, while the effect on oil permeability was the opposite. A comparison of the preservation effect provided by the coatings showed that, on day 12, the weight loss, malondialdehyde content, and respiratory intensity of strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control. The contents of titratable acid, soluble sugar, total phenols, and soluble solids decreased by 25.8, 37.7, 25.9, and 14.5%, respectively. The results provide data support for the application of these new composite films as edible coatings for fruit preservation.
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Claims 7
Claim · model-written summary
A 20% MMT coating reduced strawberry weight loss on day 12 by 43.3% relative to control.
- Taxon
- strawberries
_single2.jpg?width=60)
Fragaria ×ananassae0 - Treatment
- 20% MMT coating liquide0
- Outcome
- weight losse0
- Direction
- decreasede0
- Value
- 43.3e0
- Qualifier
- on day 12e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“on day 12, the weight loss, malondialdehyde content, and respiratory intensity of strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control.”
t0“Strawberry”
Claim · model-written summary
A 20% MMT coating reduced strawberry malondialdehyde content on day 12 by 25.8% relative to control.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- 20% MMT coating liquide0
- Outcome
- malondialdehyde contente0
- Direction
- decreasede0
- Value
- 25.8e0
- Qualifier
- on day 12e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on day 12, the weight loss, malondialdehyde content, and respiratory intensity of strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control.”
Claim · model-written summary
A 20% MMT coating reduced strawberry respiratory intensity on day 12 by 57.1% relative to control.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- 20% MMT coating liquide0
- Outcome
- respiratory intensitye0
- Direction
- decreasede0
- Value
- 57.1%e0
- Qualifier
- on day 12e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on day 12, the weight loss, malondialdehyde content, and respiratory intensity of strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control.”
Claim · model-written summary
Strawberry titratable acid content decreased by 25.8% under the 20% MMT coating.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- 20% MMT coating liquide0
- Outcome
- titratable acide0
- Direction
- decreasede0
- Value
- 25.8e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control. The contents of titratable acid, soluble sugar, total phenols, and soluble solids decreased by 25.8, 37.7, 25.9, and 14.5%, respectively.”
Claim · model-written summary
Strawberry soluble sugar content decreased by 37.7% under the 20% MMT coating.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- 20% MMT coating liquide0
- Outcome
- soluble sugare0
- Direction
- decreasede0
- Value
- 37.7e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control. The contents of titratable acid, soluble sugar, total phenols, and soluble solids decreased by 25.8, 37.7, 25.9, and 14.5%, respectively.”
Claim · model-written summary
Strawberry total phenol content decreased by 25.9% under the 20% MMT coating.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- 20% MMT coating liquide0
- Outcome
- total phenolse0
- Direction
- decreasede0
- Value
- 25.9e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control. The contents of titratable acid, soluble sugar, total phenols, and soluble solids decreased by 25.8, 37.7, 25.9, and 14.5%, respectively.”
Claim · model-written summary
Strawberry soluble solids decreased by 14.5% under the 20% MMT coating.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- 20% MMT coating liquide0
- Outcome
- soluble solidse0
- Direction
- decreasede0
- Value
- 14.5%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberries treated with the 20% MMT coating liquid decreased by 43.3, 25.8, and 57.1%, respectively, compared with the control. The contents of titratable acid, soluble sugar, total phenols, and soluble solids decreased by 25.8, 37.7, 25.9, and 14.5%, respectively.”
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