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3 results on '"Fish preservation"'

1. Applications of Nisin and EDTA in Food Packaging for Improving Fabricated Chitosan-Polylactate Plastic Film Performance and Fish Fillet Preservation

Author

Shun-Hsien Chang, Ying-Ju Chen, Hsiang-Jung Tseng, Hsin-I Hsiao, Huey-Jine Chai, Kuo-Chung Shang, Chorng-Liang Pan, and Guo-Jane Tsai

Subjects
chitosan, PLA composite film, EDTA, nisin, antimicrobial activity, fish preservation, Chemical technology, TP1-1185, Chemical engineering, TP155-156
Abstract

This study aimed to increase the antibacterial activity of chitosan-polylactic acid (PLA) composite film by adding nisin and ethylenediaminetetraacetic acid (EDTA). We evaluated the mechanical, physicochemical, and antibacterial properties of various PLA composite films, as well as the enhancement effect of PLA composite films with EDTA + nisin on the preservation of grouper fillets. Films of PLA alone, PLA plus chitosan (C5), PLA plus nisin + EDTA (EN2), and PLA plus chitosan plus nisin + EDTA (C5EN1 and C5EN2) were prepared. The addition of EDTA + nisin to the chitosan-PLA matrix significantly improved the antibacterial activity of the PLA composite film, with C5EN1 and C5EN2 films showing the highest antibacterial activity among the five films. Compared with the fish samples covered by C5, the counts of several microbial categories (i.e., mesophilic bacteria, psychrotrophic bacteria, coliforms, Aeromonas, Pseudomonas, and Vibrio) and total volatile basic nitrogen content in fish were significantly reduced in the samples covered by C5EN1. In addition, the counts of samples covered by C5EN1 or C5 were significantly lower compared to the uncovered and PLA film-covered samples.

Published
2021
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2. Applications of Nisin and EDTA in Food Packaging for Improving Fabricated Chitosan-Polylactate Plastic Film Performance and Fish Fillet Preservation

Author

Guo-Jane Tsai, Kuo-Chung Shang, Huey-Jine Chai, Ying-Ju Chen, Hsiang-Jung Tseng, Chorng-Liang Pan, Hsin-I Hsiao, and Shun-Hsien Chang

Subjects
Plastic film, Filtration and Separation, Ethylenediaminetetraacetic acid, TP1-1185, macromolecular substances, medicine.disease_cause, PLA composite film, Article, Chitosan, chemistry.chemical_compound, Chemical engineering, stomatognathic system, medicine, Chemical Engineering (miscellaneous), Food science, Nisin, antimicrobial activity, Chemical technology, Process Chemistry and Technology, technology, industry, and agriculture, EDTA, Fish fillet, equipment and supplies, Food packaging, fish preservation, chemistry, Psychrotrophic bacteria, TP155-156, lipids (amino acids, peptides, and proteins), nisin, chitosan, Antibacterial activity
Abstract

This study aimed to increase the antibacterial activity of chitosan-polylactic acid (PLA) composite film by adding nisin and ethylenediaminetetraacetic acid (EDTA). We evaluated the mechanical, physicochemical, and antibacterial properties of various PLA composite films, as well as the enhancement effect of PLA composite films with EDTA + nisin on the preservation of grouper fillets. Films of PLA alone, PLA plus chitosan (C5), PLA plus nisin + EDTA (EN2), and PLA plus chitosan plus nisin + EDTA (C5EN1 and C5EN2) were prepared. The addition of EDTA + nisin to the chitosan-PLA matrix significantly improved the antibacterial activity of the PLA composite film, with C5EN1 and C5EN2 films showing the highest antibacterial activity among the five films. Compared with the fish samples covered by C5, the counts of several microbial categories (i.e., mesophilic bacteria, psychrotrophic bacteria, coliforms, Aeromonas, Pseudomonas, and Vibrio) and total volatile basic nitrogen content in fish were significantly reduced in the samples covered by C5EN1. In addition, the counts of samples covered by C5EN1 or C5 were significantly lower compared to the uncovered and PLA film-covered samples.

Published
2021

3. Applications of Nisin and EDTA in Food Packaging for Improving Fabricated Chitosan-Polylactate Plastic Film Performance and Fish Fillet Preservation.

Author

Chang, Shun-Hsien, Chen, Ying-Ju, Tseng, Hsiang-Jung, Hsiao, Hsin-I, Chai, Huey-Jine, Shang, Kuo-Chung, Pan, Chorng-Liang, and Tsai, Guo-Jane

Subjects
*FOOD packaging, *PLASTIC films, *FISH fillets, *POLYLACTIC acid, *ETHYLENEDIAMINETETRAACETIC acid, *NISIN, *ANTIBACTERIAL agents, *EDIBLE coatings
Abstract

This study aimed to increase the antibacterial activity of chitosan-polylactic acid (PLA) composite film by adding nisin and ethylenediaminetetraacetic acid (EDTA). We evaluated the mechanical, physicochemical, and antibacterial properties of various PLA composite films, as well as the enhancement effect of PLA composite films with EDTA + nisin on the preservation of grouper fillets. Films of PLA alone, PLA plus chitosan (C5), PLA plus nisin + EDTA (EN2), and PLA plus chitosan plus nisin + EDTA (C5EN1 and C5EN2) were prepared. The addition of EDTA + nisin to the chitosan-PLA matrix significantly improved the antibacterial activity of the PLA composite film, with C5EN1 and C5EN2 films showing the highest antibacterial activity among the five films. Compared with the fish samples covered by C5, the counts of several microbial categories (i.e., mesophilic bacteria, psychrotrophic bacteria, coliforms, Aeromonas, Pseudomonas, and Vibrio) and total volatile basic nitrogen content in fish were significantly reduced in the samples covered by C5EN1. In addition, the counts of samples covered by C5EN1 or C5 were significantly lower compared to the uncovered and PLA film-covered samples. [ABSTRACT FROM AUTHOR]

Published
2021
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