Article - Food/Feed Science and Technology • Braz. arch. biol. technol. 63 • 2020 • https://doi.org/10.1590/1678-4324-2020190046 linkcopy
Application of Films Based on Chitosan and Xanthan Gum in Refrigerated Fish Conservation
Authorship
person Maria de Morais Lima *
schoolFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, Brazil
person Lucia Cesar Carneiro
schoolFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, Brazil
person Mírian Ribeiro Galvão Machado
schoolFederal University of Pelotas, Center for Chemical, Pharmaceutical and Food Sciences, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, Center for Chemical, Pharmaceutical and Food Sciences, Pelotas, Rio Grande do Sul, Brazil
person Alvaro Renato Guerra Dias
schoolFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, Brazil
person Elessandra da Rosa Zavareze
schoolFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, Brazil
person Carlos Prentice
person Angelita da Silveira Moreira
schoolFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, Brazil
SCIMAGO INSTITUTIONS RANKINGS
Federal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, College of Agronomy Eliseu Maciel, Department of Science and Technology Agroindustrial, Pelotas, Rio Grande do Sul, Brazil
Federal University of Pelotas, Center for Chemical, Pharmaceutical and Food Sciences, Pelotas, Rio Grande do Sul, BrazilFederal University of PelotasBrazilPelotas, Rio Grande do Sul, BrazilFederal University of Pelotas, Center for Chemical, Pharmaceutical and Food Sciences, Pelotas, Rio Grande do Sul, Brazil
Figures | Tables
Thumbnail
Thumbnail
imageFigure 1 Croaker fillets pH variation packed with and without the films based on chitosan and xanthan gum stored at 4 ± 1 °C for 9 days. open_in_new
imageFigure 2 Croaker fillets during storage (9th day) A: CONTROL; B: C100XG0; C: C60XG40; e D: C50XG50. open_in_new
table_chartTable 1
Mass loss values of croaker fillets packed with and without chitosan and xanthan gum based coatings stored at 4 ± 1 °C for 9 days.
| Filmsa | Mass loss (%) | |||
|---|---|---|---|---|
| 3rd day | 5th day | 7th day | 9th day | |
| CONTROL | 0.11 ± 0.19bB | 0.115 ± 0.02bB | 0.19 ± 0.03bA | 0.24 ± 0.02bA |
| C100XG0 | 1.46 ± 0.31aC | 2.18 ± 0.51aBC | 3.68 ± 0.34aAB | 4.01 ± 0.64aA |
| C60XG40 | 1.32 ± 0.47aB | 1.96 ± 0.56aAB | 3.12 ± 0.73aA | 3.58 ± 0.79aA |
| C50XG50 | 1.60 ± 0.61aB | 2.23 ± 0.75aAB | 3.03 ± 0.86aA | 3.42 ± 0.88aA |
-
a
Different lowercase letters in the same column and different uppercase letters on the same line differ with eachother by Tukey’s test (p≤0.05).
table_chartTable 2
Croaker fillets color packed with and without the chitosan and xanthan gum based film, stored at 4 ± 1 °C for 9 days.
| Filmsa | Color parameters 1st day | Color parameters 9th day | ||||
|---|---|---|---|---|---|---|
| L* | a* | b* | L* | a* | b* | |
| CONTROL | 47.89 ± 1.11aB | 3.08 ± 0.39aA | -2.07 ± 0.43cA | 51.03 ± 0.21aA | 0.64 ± 0.29bB | -0.47 ± 0.96cA |
| C100XG0 | 47.20 ± 0.55aB | 1.50 ± 0.48bA | 4.74 ± 0.18aB | 52.27 ± 1.61aA | -1.32 ± 0.30cB | 8.06 ± 0.26aA |
| C60XG40 | 44.61 ± 0.43bB | 2.35 ± 0.46abA | 1.98 ± 0.84bA | 46.34 ± 0.36bA | 1.64 + 0.60aA | 1.40± 0.50bA |
| C50XG50 | 44.9 ± 0.08bB | 2.52 ± 0.02aA | 1.27 ± 0.03bA | 46.82 ± 0.02bA | 1.78 ± 0.02aB | 1.23± 0.01bA |
-
a
Different lowercase letters in the same column and different uppercase letters on the same line differ with eachother by Tukey’s test (p≤0.05).
table_chartTable 3
TVB-N values of croaker fillets packed with and without the films based on chitosan and xanthan gum stored at 4 ± 1 °C for 9 days.
| Filmsa | Total volatile basic nitrogen (TVB-N) | ||||
|---|---|---|---|---|---|
| 1st day | 3rd day | 5th day | 7th day | 9th day | |
| CONTROL | 6.54 ± 0.32aD | 7.66 ± 0.32aC | 10.08±0.00aB | 10.86 ± 0.32aB | 12.33±0.56aA |
| C100XG0 | 5.97 ± 0.32aB | 6.91 ± 0.32aB | 9.71 ± 0.65aA | 10.27 ± 0.32aA | 10.83±0.65bA |
| C60XG40 | 6.35 ± 0.32aC | 7.65 ± 0.32aBC | 9.15 ± 0.85aB | 8.96 ± 1.12abB | 10.77±0.00bA |
| C50XG50 | 5.97 ± 0.32aC | 5.41 ± 0.65bC | 9.15 ± 0.32aA | 7.84 ± 0.00bB | 8.41±0.56cAB |
-
a
Different lowercase letters in the same column and different uppercase letters on the same line differ with eachother by Tukey’s test (p≤0.05).
table_chartTable 4
Most Probable Number (MPN) of Total Coliforms (CT) and Thermotolerant Coliforms (TTC) of croaker fillets packed with and without the film based on chitosan and xanthan gum, stored at 4 ± 1 °C.
| Films | Total Coliforms (TC) MPN.g-1 |
Thermotolerant Coliforms (TTC) MPN.g-1 |
||
|---|---|---|---|---|
| Starting time | Final time | Starting time | Final time | |
| CONTROL | 1.5x102 | 1.1 x 103 | 1.5 x 102 | >1.1 x 103 |
| C100XG0 | 3.6 | 2.3 x 10 | 3.6 | 2.3 x 10 |
| C60XG40 | 1.1 x 103 | 2.3 x 10 | 1.1 x 103 | 9.2 |
| C50XG50 | 4.3 x 10 | 9.2 | 4.3 x 10 | 9.2 |
table_chartTable 5
Quantification of S. aureus and Salmonella detection of croaker samples packaged with and without the base film of chitosan and xanthan gum stored at 4 ± 1 °C.
| Films |
Staphylococcus aureus (UFC.g-1) |
Salmonella Presence/absence in 25 g |
||
|---|---|---|---|---|
| Starting time | Final time | Starting time | Final time | |
| CONTROL | < 10 | 1.6 x 105 | Absence | Absence |
| C100XG0 | < 10 | < 10 | Absence | Absence |
| C60XG40 | < 10 | 1.2 x 105 | Absence | Absence |
| C50XG50 | < 10 | < 10 | Absence | Absence |
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