Antibacterial and amine scavenging properties of silver–silica composite for post-harvest storage of fresh fish

Suman Singh, Myungho Lee, Kirtiraj K. Gaikwad, Youn Suk Lee

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Polypropylene (PP) films containing silver–silica (AgSiO2) were prepared using hot pressing. Incorporating AgSiO2 into PP films enhanced the antimicrobial properties, and tensile and compressive strengths of the composite by 5.85 MPa, 4.08 MPa respectively. The pH of the fresh chub mackerel with PP + AgSiO2 composite increased from 6.17 to 6.76 during storage at 2 ± 0.5 °C for seven days, whereas the pH of the control sample initially increased from 6.17 to 6.55, and then decreased to 6.48. The control-sample thiobarbituric acid (TBA) value increased during storage, but remained low in the PP + AgSiO2 composite. Total psychrophilic counts for fish stored in the composite containing 5.0% and 10.0% AgSiO2, were 3.06 and 3.11 log CFU/g, respectively, whereas the count reached 4.81 log CFU/g in the control sample. Trimethylaimne values of the control sample increased from 1.6 to 2.5 mg TMA/100 g; however, there was no change in the composite sample. The hue angle increased from red to yellow for the control sample, while remaining between the red and yellow zones for composite samples, indicating that the quality of the treated fish was retained.

Original languageEnglish
Pages (from-to)61-69
Number of pages9
JournalFood and Bioproducts Processing
Volume107
DOIs
Publication statusPublished - 2018 Jan 1

Fingerprint

Polypropylenes
Scavenging
amines
Fish
Amines
Fishes
polypropylenes
Composite materials
fish
Compressive Strength
Perciformes
sampling
Cyprinidae
Tensile Strength
films (materials)
Scomber japonicus
Hot pressing
composite materials
pressing
Compressive strength

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • Biochemistry
  • Chemical Engineering(all)

Cite this

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title = "Antibacterial and amine scavenging properties of silver–silica composite for post-harvest storage of fresh fish",
abstract = "Polypropylene (PP) films containing silver–silica (AgSiO2) were prepared using hot pressing. Incorporating AgSiO2 into PP films enhanced the antimicrobial properties, and tensile and compressive strengths of the composite by 5.85 MPa, 4.08 MPa respectively. The pH of the fresh chub mackerel with PP + AgSiO2 composite increased from 6.17 to 6.76 during storage at 2 ± 0.5 °C for seven days, whereas the pH of the control sample initially increased from 6.17 to 6.55, and then decreased to 6.48. The control-sample thiobarbituric acid (TBA) value increased during storage, but remained low in the PP + AgSiO2 composite. Total psychrophilic counts for fish stored in the composite containing 5.0{\%} and 10.0{\%} AgSiO2, were 3.06 and 3.11 log CFU/g, respectively, whereas the count reached 4.81 log CFU/g in the control sample. Trimethylaimne values of the control sample increased from 1.6 to 2.5 mg TMA/100 g; however, there was no change in the composite sample. The hue angle increased from red to yellow for the control sample, while remaining between the red and yellow zones for composite samples, indicating that the quality of the treated fish was retained.",
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Antibacterial and amine scavenging properties of silver–silica composite for post-harvest storage of fresh fish. / Singh, Suman; Lee, Myungho; Gaikwad, Kirtiraj K.; Lee, Youn Suk.

In: Food and Bioproducts Processing, Vol. 107, 01.01.2018, p. 61-69.

Research output: Contribution to journalArticle

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