Active Packaging
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2021 ◽  
pp. 143-181
Author(s):  
Lina F. Ballesteros ◽  
Hafsae Lamsaf ◽  
Calderon V Sebastian ◽  
Miguel A. Cerqueira ◽  
Lorenzo Pastrana ◽  
...  

Author(s):  
Noah A. Doshna ◽  
Joshua E. Herskovitz ◽  
Halle N. Redfearn ◽  
Julie M. Goddard

2021 ◽  
pp. 107324
Author(s):  
Mahmood Alizadeh Sani ◽  
Milad Tavassoli ◽  
Shamimeh Azimi Salim ◽  
Maryam Azizi-lalabadi ◽  
David Julian McClements

Author(s):  
Luana Roland Ferreira Contini ◽  
Thais de Souza Zerlotini ◽  
Isadora Fernandes Brazolin ◽  
Jackson Wesley Silva dos Santos ◽  
Mariangela Fátima Silva ◽  
...  

2021 ◽  
Vol 13 (SP2) ◽  
pp. 9-13
Author(s):  
Juge Liu ◽  
Xiyu Yao ◽  
Daewi Yun ◽  
Man Zhang ◽  
Chunlu Qian ◽  
...  

Litchi (Litchi chinensis Sonn.) pericarp contains abundant polyphenols that are suitable materials for developing active packaging films. In this study, 1 wt%, 3 wt% and 5 wt% of litchi pericarp extract (LPE) was added into qua-ternary ammonium chitosan (QAC) and polyvinyl alcohol (PVA) matrix to develop active packaging films. The structural, physical and functional properties of QAC-PVA (QP) films were compared with LPE (QP-LPE films) and without LPE (QP films). Results showed QP film had a heterogenous cross-section whereas QP-LPE films displayed rough and uneven cross-sections. After adding LPE, the N–H, O–H, C–H and C=O stretching bands of QP films shifted due to the formation of intermolecular interactions between LPE and film matrix. LPE made the colorless QP film turned brown. QP-LPE films presented lower ultraviolet–visible light transmittance than QP film. After adding LPE, film thickness increased from 0.091 to 0.103 mm, film water vapor permeability increased from 14.98 × 10−11 to 17.21 × 10−11 g m−1 s−1 Pa−1, film oxygen permeability increased from 0.16 to 0.22 cm3 mm m−2 day−1 atm−1, film tensile strength increased from 14.10 to 17.41 MPa, and film elongation at break decreased from 36.94% to 25.13%. QP-LPE films quickly released polyphenols in distilled water within 4 h and displayed potent antioxidant activity. The antimicrobial ratio of the film against Escherichia coli, Salmonella typhimurium, Staphylococcus aureus and Listeria monocytogenes was elevated from 50.40−68.04% to 58.93−91.38% after adding LPE. Results suggested QP-LPE films could be utilized as antioxidant and antimicrobial packaging materials in food industry.


Polymers ◽  
2021 ◽  
Vol 13 (20) ◽  
pp. 3503
Author(s):  
Mohd Salahuddin Mohd Basri ◽  
Nor Nadiah Abdul Karim Shah ◽  
Alifdalino Sulaiman ◽  
Intan Syafinaz Mohamed Amin Tawakkal ◽  
Mohd Zuhair Mohd Nor ◽  
...  

According to the Food Wastage Footprint and Climate Change Report, about 15% of all fruits and 25% of all vegetables are wasted at the base of the food production chain. The significant losses and wastes in the fresh and processing industries is becoming a serious environmental issue, mainly due to the microbial degradation impacts. There has been a recent surge in research and innovation related to food, packaging, and pharmaceutical applications to address these problems. The underutilized wastes (seed, skin, rind, and pomace) potentially present good sources of valuable bioactive compounds, including functional nutrients, amylopectin, phytochemicals, vitamins, enzymes, dietary fibers, and oils. Fruit and vegetable wastes (FVW) are rich in nutrients and extra nutritional compounds that contribute to the development of animal feed, bioactive ingredients, and ethanol production. In the development of active packaging films, pectin and other biopolymers are commonly used. In addition, the most recent research studies dealing with FVW have enhanced the physical, mechanical, antioxidant, and antimicrobial properties of packaging and biocomposite systems. Innovative technologies that can be used for sensitive bioactive compound extraction and fortification will be crucial in valorizing FVW completely; thus, this article aims to report the progress made in terms of the valorization of FVW and to emphasize the applications of FVW in active packaging and biocomposites, their by-products, and the innovative technologies (both thermal and non-thermal) that can be used for bioactive compounds extraction.


2021 ◽  
Vol 11 (20) ◽  
pp. 9364
Author(s):  
Aris E. Giannakas ◽  
Constantinos E. Salmas ◽  
Andreas Karydis-Messinis ◽  
Dimitrios Moschovas ◽  
Eleni Kollia ◽  
...  

Over the years, there has been an effort to extend food shelf life so as to reduce global food waste. The use of natural biodegradable materials in production procedures is more and more adopted nowadays in order to achieve cyclic economy targets and improve environmental and human health indexes. Active packaging is the latest trend for food preservation. In this work, polystyrene was mixed with natural NaMt, OrgNaMt montmorillonite, and oregano essential oil to develop a new packaging film. Strength, oxygen and water-vapour permeation, blending and homogeneity, and antimicrobial and antioxidant activity were measured as basic parameters for food packaging films characterization. Instruments such as a tensile measurement instrument, XRD, FTIR, DMA, OPA (Oxygen Permeation Analyzer), and other handmade devices were used. Results showed that polystyrene could be modified, improved, and exhibits food odour prevention characteristics in order to be used for applications on food active packaging. The material with the code name [email protected] qualified between the tested samples as the most promising material for food active packaging applications.


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