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Wang L, Yin J, Cong M, Qi Y, Wan K, Jiang G, Liu X. Characterization of chitosan film incorporated pine bark extract and application in carp slices packaging. Int J Biol Macromol 2024; 271:132609. [PMID: 38788867 DOI: 10.1016/j.ijbiomac.2024.132609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 05/26/2024]
Abstract
Active films based on chitosan incorporated with pine bark extract (PBE) were prepared and characterized. Subsequently, these films were utilized for packaging carp slices in refrigerated storage at 4 ± 1 °C. Analysis of the physicochemical properties and biological activity of the active films revealed that, except for water content, all assessed indices showed an increasing trend with an increase in the amount of supplemental PBE. As this trend progresses, scanning electron microscopy (SEM) analysis revealed deposition on the film surface accompanied by transverse lines and fractures, while the color of the film gradually changed from light yellow to reddish-brown. Fourier transform infrared spectroscopy (FTIR) indicated that the phenolic hydroxyl groups in PBE interacted with the hydrogen in the amino groups of chitosan molecules to form non-covalent bonds. X-ray diffraction analysis (XRD) showed that the reaction between PBE and chitosan altered the crystalline structure of chitosan molecules. Moreover, the analysis of the effects of active films on the pH, water-holding capacity, thiobarbituric acid values, and the total bacterial counts of carp slices revealed that in terms of preservation, films containing 30 % PBE were the most effective, using which the shelf life of carp slices could be extended by 50 %.
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Affiliation(s)
- Liyan Wang
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China
| | - Jiacheng Yin
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China
| | - Mengdi Cong
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China
| | - Yue Qi
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China
| | - Kang Wan
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China
| | - Guochuan Jiang
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China.
| | - Xuejun Liu
- College of Food Science and Engineering, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China.
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Li X, Fan Y, Guo J, Li R, Liu Z, Hou Y, Qu Z, Liu Q. Polyvinyl alcohol/kappa-carrageenan-based package film with simultaneous incorporation of ferric ion and polyphenols from Capsicum annuum leaves for fruit shelf-life extension. Int J Biol Macromol 2024; 266:131002. [PMID: 38522680 DOI: 10.1016/j.ijbiomac.2024.131002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/07/2024] [Accepted: 03/17/2024] [Indexed: 03/26/2024]
Abstract
Bio-based food packaging materials have elicited growing interests due to their great degradability, high safety and active biofunctions. In this work, by simultaneously introducing the polyphenolic extracts from Capsicum annuum leaves and ferric ion (Fe3+) into the Polyvinyl alcohol/kappa-carrageenan (PVA/κ-carrageenan)-based film-forming matrix, an active package film was developed, with the purpose to improve the food shelf life. The experimental results indicated that the existence of Fe3+ can not only improve the mechanical properties owing to the multiple dynamic coordinated interactions, but also endow the composite films with excellent fire-retardancy. Moreover, the composite films could display excellent UV resistant performance, water vapor/oxygen gas barrier properties and antioxidant activities with the corporation of polyphenols. In particular, the highest DPPH and ABTS radical scavenging capacities for composite film (PC-PLP7 sample) were evaluated to be 82.5 % and 91.1 %, respectively. Higher polyphenol concentration is favorable to the bio-functions of the materials. Benefitting from these features, this novel kind of films with a dense and steady micro-structure could be further applicated in fruit preservations, where the ripening bananas were ensured with the high storage quality. This integration as a prospective food packaging material provides an economic and eco-friendly approach to excavate the high added-values of biomass.
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Affiliation(s)
- Xiaojun Li
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China; Nanolattix Biotech Corporation, No.11 Kangshou street, Xiaodian District, Taiyuan 030006, China
| | - Yiyuan Fan
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China
| | - Juan Guo
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China
| | - Ran Li
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China
| | - Zeqi Liu
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China
| | - Yarui Hou
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China
| | - Zhican Qu
- Nanolattix Biotech Corporation, No.11 Kangshou street, Xiaodian District, Taiyuan 030006, China
| | - Qingye Liu
- School of Chemistry and Chemical Engineering, North University of China, No. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China.
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Wang C, Song Z, Cao Y, Han L, Yu Q, Han G, Zhu X. Characterization of sodium alginate-carrageenan films prepared by adding peanut shell flavonoids as an antioxidant: Application in chilled pork preservation. Int J Biol Macromol 2024; 266:131081. [PMID: 38552691 DOI: 10.1016/j.ijbiomac.2024.131081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/11/2024] [Accepted: 03/20/2024] [Indexed: 04/05/2024]
Abstract
This study prepared and characterized sodium alginate and carrageenan (SAC) composite films incorporated with peanut shell flavonoids (PSFs). PSFs compound identification research was implemented. The physicochemical features of PSFs-SAC composite films and their ability to preserve chilled pork in a 4 °C refrigerator were determined. PSFs consist of luteolin, eriodictyol, 5,7-dihydroxychromone, and 8 other components. They significantly improved the mechanical properties, barrier properties, thermal stability, and antioxidant properties of SAC composite films (P < 0.05). PSFs were also responsible for increasing the density of the film structure between the sodium alginate and carrageenan molecules. During storage, compared with the control group, the prepared PSFs-SAC composite films did not allow the total viable count (TVC), pH and total volatile base nitrogen (TVB-N) of the chilled pork to increase rapidly. Further, they were able to inhibit lipid oxidation more effectively (P < 0.05). For these reasons, the use of the PSFs-SAC composite films prolonged shelf life of chilled pork from 6 days to the 12 days. Therefore, PSFs-SAC composite films are expected to be used as bioactive substances in food preservation.
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Affiliation(s)
- Cong Wang
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Zhaoyang Song
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Yinjuan Cao
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Ling Han
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Qunli Yu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Guangxing Han
- Shandong Lvrun Food Co., Ltd., Linyi 276017, PR China
| | - Xiaopeng Zhu
- Zhangye Wanhe Grass Livestock Industry Technology Development Co., Ltd., Zhangye 734000, PR China
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Dong Q, Dai Y, Wang W, Ma Y, Li L. Fabrication of carvacrol loaded cellulose acetate phthalate/shellac composite film and its application to mackerel fillets preservation. Int J Biol Macromol 2024; 262:129904. [PMID: 38311137 DOI: 10.1016/j.ijbiomac.2024.129904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/25/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024]
Abstract
In this research, the carvacrol (CAR) loaded cellulose acetate phthalate (CAP) /shellac (SH) films were prepared via electrostatic repulsion strategy and casting method. The CAP/SH-CAR films demonstrated excellent tensile strength, while also exhibiting good UV light barrier and thermal stability. The results showed that the addition of CAR significantly improved the barrier of the CAP film to water vapor and oxygen permeability. When the addition amount of CAR was 0.9 % (w/w) with respect to CAP content, the CAP/SH-CAR films exhibited good antibacterial activity and effectively reduced the growth of S. aureus and E. coli by approximately 47.9 % and 50.9 %, respectively. The presence of SH improved the retention rate of CAR in CAP/SH-CAR films, with the retention rate ranging from 45.2 to 56.8 %. Finally, the CAP/SH-CAR films were applied to preserve the mackerel fillets, indicating that the rate of freshness deterioration had been delayed and showing a good freshness preservation effect. Therefore, the CAP/SH-CAR films have the potential to be used as food packaging materials.
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Affiliation(s)
- Qingfeng Dong
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yaqi Dai
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Weiting Wang
- Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Jinan 250100, China.
| | - Yanli Ma
- Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Jinan 250100, China
| | - Li Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
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Shao X, Sun H, Wang X, Zhou R. Synergistic effects of EDTA and lysozyme on the properties of hydroxypropyl starch nano antibacterial films. Curr Res Food Sci 2023; 8:100657. [PMID: 38204880 PMCID: PMC10777376 DOI: 10.1016/j.crfs.2023.100657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 01/12/2024] Open
Abstract
Hydroxypropyl starch (HPS) nano antibacterial films incorporating Ethylene Diamine Tetraacetic Acid (EDTA) and lysozyme (LY) were fabricated via solvent casting method. The synergistic effects of EDTA and LY on the microstructure, component interactions, color, optical, mechanical, barrier and antibacterial properties of HPS nano antibacterial films were evaluated. The results indicated that EDTA and LY were well dispersed in the matrix of the HPS nano antibacterial films, the film-forming substrates have good compatibility, resulting in a dense multi-layer structure of the HPS nano antibacterial films. The addition of EDTA and LY increased the color parameters (L*, a*, b* and △E*) of the HPS nano antibacterial films. The synergistic effects of EDTA and LY significantly decreased the light transmission of the HPS nano antibacterial films. The presence of EDTA and LY increased the tensile strength (TS) and the elongation at break (EAB) of the HPS nano antibacterial films. The TS and EAB of E2.5L1 reached the highest values of 6.329 MPa and 50.24 %, respectively. The incorporation of EDTA and LY had positive effects on the improvement of water vapor permeability (WVP) and oxygen permeability (OP). The WVP and OP of E2.5L1 reached the highest values of 0.9350 × 10-12 g cm/cm2•s•Pa and 0.297 × 10 -2 g m/m2 •d, respectively. In addition, EDTA and LY had significant synergistic effects on the antibacterial activity against S. aureus (Gram-positive bacteria) and E. coli (Gram-negative bacteria). E2.5L1 exhibited the highest antibacterial activity and the inhibition zone diameters of S. aureus and E. coli were 3.69 mm and 4.28 mm, respectively. The HPS nano antibacterial films incorporating EDTA and LY are potential functional packaging materials.
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Affiliation(s)
- Xinru Shao
- School of Public Health, Jilin Medical University, No. 5 Jilin Street, Jilin, 132013, Jilin, PR China
| | - Haitao Sun
- School of Public Health, Jilin Medical University, No. 5 Jilin Street, Jilin, 132013, Jilin, PR China
| | - Ximing Wang
- School of Public Health, Jilin Medical University, No. 5 Jilin Street, Jilin, 132013, Jilin, PR China
| | - Ran Zhou
- School of Public Health, Jilin Medical University, No. 5 Jilin Street, Jilin, 132013, Jilin, PR China
- College of Food Science and Engineering, Changchun University, No. 6543 Weixing Road, Changchun, 130022, Jilin, PR China
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Pettinato M, Bolla M, Campardelli R, Firpo G, Perego P. Potential Use of PLA-Based Films Loaded with Antioxidant Agents from Spent Coffee Grounds for Preservation of Refrigerated Foods. Foods 2023; 12:4167. [PMID: 38002224 PMCID: PMC10670670 DOI: 10.3390/foods12224167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
The aim of this work concerned the production of an active food packaging suitable for refrigerated foods. Polylactic-acid-based films were produced by optimizing the solvent casting technique and testing different loadings of extracts obtained from spent coffee grounds. Indeed, an extract obtained by high-pressure and -temperature extraction (HPTE) and a further purified extract by liquid-liquid extraction (LLE) were separately used as active agents, and the effects on packaging features and active compounds migration were analyzed. The selected active agents showed antioxidant and lipid peroxidation inhibition effects on food simulants (peroxide values of 9.2 ÷ 12.0 meqO2/kg extra virgin olive oil), demonstrating the possibility of enhancing food shelf life. In addition, significant effects on the packaging structure due to the presence of the extract were observed, since it can enhance gas barrier properties of the polymer (O2 permeability of 1.6 ÷ 1.3 × 10-9 cm2/s) and confer better processability. In general, the HPTE extract exhibited better performances than the further purified extract, which was due to the presence of a complex pool of antioxidants and the browning effect on the film but a limited loading capacity on the polymer (840 μg caffeine/g PLA), while higher loading capabilities were enabled using LLE extract.
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Affiliation(s)
- Margherita Pettinato
- Department of Civil, Chemical and Environmental Engineering, Polytechnic School, University of Genoa, Via All’Opera Pia 15, 16145 Genoa, Italy; (M.P.); (M.B.); (P.P.)
| | - Maria Bolla
- Department of Civil, Chemical and Environmental Engineering, Polytechnic School, University of Genoa, Via All’Opera Pia 15, 16145 Genoa, Italy; (M.P.); (M.B.); (P.P.)
| | - Roberta Campardelli
- Department of Civil, Chemical and Environmental Engineering, Polytechnic School, University of Genoa, Via All’Opera Pia 15, 16145 Genoa, Italy; (M.P.); (M.B.); (P.P.)
| | - Giuseppe Firpo
- Department of Physics, Nanomedicine Laboratory, University of Genoa, Via Dodecaneso 33, 16146 Genoa, Italy
| | - Patrizia Perego
- Department of Civil, Chemical and Environmental Engineering, Polytechnic School, University of Genoa, Via All’Opera Pia 15, 16145 Genoa, Italy; (M.P.); (M.B.); (P.P.)
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