scholarly journals Application of Nanotechnology to Improve the Performance of Biodegradable Biopolymer-Based Packaging Materials

Polymers ◽  
2021 ◽  
Vol 13 (24) ◽  
pp. 4399
Author(s):  
Arezou Khezerlou ◽  
Milad Tavassoli ◽  
Mahmood Alizadeh Sani ◽  
Keyhan Mohammadi ◽  
Ali Ehsani ◽  
...  
Keyword(s):  
Functional Performance ◽  
Antioxidant Activities ◽  
Antimicrobial Properties ◽  
Packaging Materials ◽  
Oxidation Reactions ◽  
Gas Temperature ◽  
Film Properties ◽  
Active Compounds ◽  
Packaged Foods ◽  
Packaged Food

There is great interest in developing biodegradable biopolymer-based packaging materials whose functional performance is enhanced by incorporating active compounds into them, such as light blockers, plasticizers, crosslinkers, diffusion blockers, antimicrobials, antioxidants, and sensors. However, many of these compounds are volatile, chemically unstable, water-insoluble, matrix incompatible, or have adverse effects on film properties, which makes them difficult to directly incorporate into the packaging materials. These challenges can often be overcome by encapsulating the active compounds within food-grade nanoparticles, which are then introduced into the packaging materials. The presence of these nanoencapsulated active compounds in biopolymer-based coatings or films can greatly improve their functional performance. For example, anthocyanins can be used as light-blockers to retard oxidation reactions, or they can be used as pH/gas/temperature sensors to produce smart indicators to monitor the freshness of packaged foods. Encapsulated botanical extracts (like essential oils) can be used to increase the shelf life of foods due to their antimicrobial and antioxidant activities. The resistance of packaging materials to external factors can be improved by incorporating plasticizers (glycerol, sorbitol), crosslinkers (glutaraldehyde, tannic acid), and fillers (nanoparticles or nanofibers). Nanoenabled delivery systems can also be designed to control the release of active ingredients (such as antimicrobials or antioxidants) into the packaged food over time, which may extend their efficacy. This article reviews the different kinds of nanocarriers available for loading active compounds into these types of packaging materials and then discusses their impact on the optical, mechanical, thermal, barrier, antioxidant, and antimicrobial properties of the packaging materials. Furthermore, it highlights the different kinds of bioactive compounds that can be incorporated into biopolymer-based packaging.

scholarly journals Application of Nanotechnology to Improve the Performance of Biodegradable Biopolymer-Based Packaging Materials

2021 ◽  
Author(s):  
Arezou Khezerlou ◽  
Milad Tavassoli ◽  
Mahmood Alizadeh Sani ◽  
Ali Ehsani ◽  
David Julian McClements
Keyword(s):  
Adverse Effects ◽  
Bioactive Compounds ◽  
Functional Performance ◽  
Antimicrobial Properties ◽  
Thermal Barrier ◽  
Packaging Materials ◽  
Film Properties ◽  
Active Compounds

There is great interest in developing biodegradable biopolymer-based packaging materials whose functional performance is enhanced by incorporating active compounds into them, such as light blockers, plasticizers, crosslinkers, diffusion blockers, antimicrobials, antioxidants, and sensors. However, many of these compounds are volatile, chemically unstable, water-insoluble, matrix incompatible, or have adverse effects on film properties, which makes them difficult to directly incorporate into the packaging materials. These challenges are being overcome by incorporating the bioactive compounds into nanoparticles, which are then introducing into the packaging materials. The presence of these nanoencapsulated active compounds in biopolymer-based coatings or films can greatly improve their functional performance. This article reviews the different kinds of nanocarriers available for loading active compounds into these types of materials, and then discusses their impact on the optical, mechanical, thermal, barrier, antioxidant, and antimicrobial properties of the packaging materials. Furthermore, this article highlights the different kinds of bioactive compounds that can be incorporated into biopolymer-based packaging.

scholarly journals Biopolymers-Based Materials Containing Silver Nanoparticles as Active Packaging for Food Applications–A Review

2020 ◽  
Vol 21 (3) ◽  
pp. 698 ◽  
Author(s):  
Karolina Kraśniewska ◽  
Sabina Galus ◽  
Małgorzata Gniewosz
Keyword(s):  
Silver Nanoparticles ◽  
Food Packaging ◽  
Antimicrobial Properties ◽  
Food Products ◽  
Active Packaging ◽  
Packaging Materials ◽  
Active Food Packaging ◽  
Food Applications ◽  
External Conditions ◽  
Packaged Food

Packaging is an integral part of food products, allowing the preservation of their quality. It plays an important role, protecting the packed product from external conditions, maintaining food quality, and improving properties of the packaged food during storage. Nevertheless, commonly used packaging based on synthetic non-biodegradable polymers causes serious environmental pollution. Consequently, numerous recent studies have focused on the development of biodegradable packaging materials based on biopolymers. In addition, biopolymers may be classified as active packaging materials, since they have the ability to carry different active substances. This review presents the latest updates on the use of silver nanoparticles in packaging materials based on biopolymers. Silver nanoparticles have become an interesting component of biodegradable biopolymers, mainly due to their antimicrobial properties that allow the development of active food packaging materials to prolong the shelf life of food products. Furthermore, incorporation of silver nanoparticles into biopolymers may lead to the development of materials with improved physical-mechanical properties.

Kombucha beverage from non-conventional edible plant infusion and green tea: characterization, toxicity, antioxidant activities and antimicrobial properties

2021 ◽  
pp. 102032
Author(s):  
Kelly Alencar Silva ◽  
Thais Matsue Uekane ◽  
Jeniffer Ferreira de Miranda ◽  
Larissa Fernandes Ruiz ◽  
Juliana Cristini Brum da Motta ◽  
...  
Keyword(s):  
Green Tea ◽  
Antioxidant Activities ◽  
Antimicrobial Properties ◽  
Edible Plant

scholarly journals A Caleosin-Like Protein with Peroxygenase Activity Mediates Aspergillus flavus Development, Aflatoxin Accumulation, and Seed Infection

2015 ◽  
Vol 81 (18) ◽  
pp. 6129-6144 ◽  
Author(s):  
Abdulsamie Hanano ◽  
Ibrahem Almousally ◽  
Mouhnad Shaban ◽  
Elizabeth Blee
Keyword(s):  
Fatty Acid ◽  
Aspergillus Flavus ◽  
Polyunsaturated Fatty Acid ◽  
Calcium Binding ◽  
Antioxidant Activities ◽  
Fungal Growth ◽  
Oxidation Reactions ◽  
Content Type ◽  
Fatty Acid Hydroperoxides

ABSTRACTCaleosins are a small family of calcium-binding proteins endowed with peroxygenase activity in plants. Caleosin-like genes are present in fungi; however, their functions have not been reported yet. In this work, we identify a plant caleosin-like protein inAspergillus flavusthat is highly expressed during the early stages of spore germination. A recombinant purified 32-kDa caleosin-like protein supported peroxygenase activities, including co-oxidation reactions and reduction of polyunsaturated fatty acid hydroperoxides. Deletion of the caleosin gene prevented fungal development. Alternatively, silencing of the gene led to the increased accumulation of endogenous polyunsaturated fatty acid hydroperoxides and antioxidant activities but to a reduction of fungal growth and conidium formation. Two key genes of the aflatoxin biosynthesis pathway,aflRandaflD, were downregulated in the strains in whichA. flavusPXG(AfPXG) was silenced, leading to reduced aflatoxin B1 productionin vitro. Application of caleosin/peroxygenase-derived oxylipins restored the wild-type phenotype in the strains in whichAfPXGwas silenced.PXG-deficientA. flavusstrains were severely compromised in their capacity to infect maize seeds and to produce aflatoxin. Our results uncover a new branch of the fungal oxylipin pathway and may lead to the development of novel targets for controlling fungal disease.

Radioprotective effects of active compounds of Acanthopanax senticosus from the Lesser Khingan Mountain range in China

RSC Advances ◽  
2016 ◽  
Vol 6 (1) ◽  
pp. 65-72 ◽  
Author(s):  
Wei Song ◽  
Jinming Shi ◽  
Denis Baranenko ◽  
Jing Jing ◽  
Weihong Lu
Keyword(s):  
Bioactive Compounds ◽  
Radiation Injury ◽  
Antioxidant Activities ◽  
Mountain Range ◽  
Acanthopanax Senticosus ◽  
Active Compounds

Bioactive compounds extracted from wild Acanthopanax senticosus showed radioprotective effects through in vitro antioxidant activities and suppression of radiation injury in mice.

scholarly journals Study of Consumer Awareness on Food Labelling and Use of Pack Information for Purchase of Pre-Packaged Food Products

2017 ◽  
Vol 4 (4) ◽  
Author(s):  
Samit Dutta ◽  
Deval Patel
Keyword(s):  
Informed Choice ◽  
Food Products ◽  
Food Labelling ◽  
Food Label ◽  
Labelling Information ◽  
Packaged Foods ◽  
Prepackaged Foods ◽  
And Gender ◽  
Packaged Food ◽  
Study Participants

Purpose – Liberalization of trade, globalization and development in food science and technology has resulted in an increase in trade and consumption of pre-packaged foods. Reading food labelling information is important to assist in making informed choices of food. This study determined level of awareness on pre-packaged food labelling information among consumers in Anand city of Gujarat, India, their perception on the importance of such information and various factors influencing in reading and using food labels. Design/methodology/approach – A semi structured questionnaire was used to collect information from consumers who were found purchasing prepackaged foods in selected modern format retail stores. The obtained data were computed to determine relationships and associations between various factors and the use of food labelling information among consumers in the area of study. Findings – Study revealed that 86.7 per cent of the study participants reported to read labeling information prior purchase of pre-packaged foods. However, only a third of respondents were very much informed about food labelling and computed awareness scores. It was observed that level of education and gender difference had statistically significant association with awareness scores and perception of importance of food labelling. 83.3 per cent of respondents mentioned price of food as the factor for motivating them to read food label before purchase of the food item. Practical implications – Deliberate efforts may be needed to improve food labelling, provide education to consumers to raise their awareness on importance of reading and use of food labelling information to make an informed choice of the food. Originality/value – Determines level of awareness about labelling information among consumers of pre-packaged food products.

scholarly journals Quality Assessment of Gastropod Soup Powder Developed from Underutilized Chicoreus ramosus and Volegalea cochlidium

2020 ◽  
Vol 2 (1) ◽  
pp. 19
Keyword(s):  
Quality Assessment ◽  
Shelf Life ◽  
Food Item ◽  
Value Added ◽  
Packaging Materials ◽  
Life Period ◽  
The People ◽  
Packaged Foods ◽  
Value Added Products

Soup powder is one of the ready to serve product, which can be easily prepared. All classes of people enjoy the delicacy of soup. Nowadays, fish soup powders and soup tablets have become an acceptable food item. The development of value-added products by incorporating meat powder with other suitable ingredients could be easily acceptable to the people. So the demand for more convenient ready – to cook and ready – to eat packaged foods are constantly increasing. Keeping this in mind, meat soup powder from C. ramosus and Volegalea cochlidium were developed and packed in different packaging materials, and the shelf life period was assessed for 240 days storage.

scholarly journals Quaternary Salts of Chitosan: History, Antimicrobial Features, and Prospects

2011 ◽  
Vol 2011 ◽  
pp. 1-12 ◽  
Author(s):  
Douglas de Britto ◽  
Rejane Celi Goy ◽  
Sergio Paulo Campana Filho ◽  
Odilio B. G. Assis
Keyword(s):  
Physical Chemistry ◽  
Antimicrobial Activity ◽  
Drug Delivery Systems ◽  
Antimicrobial Properties ◽  
Water Soluble ◽  
Chemical Characteristics ◽  
Packaging Materials ◽  
Inhibitory Effects ◽  
Quaternary Salts ◽  
Derivatives Of

Recently, increasing attention has been paid to water-soluble derivatives of chitosan at its applications. The chemical characteristics and the antimicrobial properties of these salts can play significant role in pharmacological and food areas mainly as carriers for drug delivery systems and as antimicrobial packaging materials. In the current paper, a historical sequence of the main preparative methods, physical chemistry aspects, and antimicrobial activity of chitosan quaternized derivatives are presented and briefly discussed. In general, the results indicated that the quaternary derivatives had better inhibitory effects than the unmodified chitosan.

scholarly journals Declaration of nutrition information on and nutritional quality of Thai ready-to-eat packaged food products

2018 ◽  
Vol 21 (8) ◽  
pp. 1409-1417 ◽  
Author(s):  
Suladda Pongutta ◽  
Pitipa Chongwatpol ◽  
Parwin Tantayapirak ◽  
Stefanie Vandevijvere
Keyword(s):  
Nutritional Quality ◽  
Food Products ◽  
Health Claims ◽  
Nutrition Information ◽  
Nutrient Profile ◽  
Profile Model ◽  
Health Related ◽  
Packaged Foods ◽  
Packaged Food

AbstractObjectiveThe present study assessed the nutrition information displayed on ready-to-eat packaged foods and the nutritional quality of those food products in Thailand.DesignIn March 2015, the nutrition information panels and nutrition and health claims on ready-to-eat packaged foods were collected from the biggest store of each of the twelve major retailers, using protocols developed by the International Network for Food and Obesity/Non-communicable Diseases Research, Monitoring and Action Support (INFORMAS). The Thai Nutrient Profile Model was used to classify food products according to their nutritional quality as ‘healthier’ or ‘less healthy’.ResultsIn total, information from 7205 food products was collected across five broad food categories. Out of those products, 5707 (79·2 %), 2536 (35·2 %) and 1487 (20·6 %) carried a nutrition facts panel, a Guideline Daily Amount (GDA) label and health-related claims, respectively. Only 4691 (65·1 %) and 2484 (34·5 %) of the products that displayed the nutrition facts or a GDA label, respectively, followed the guidelines of the Thai Food and Drug Administration. In total, 4689 products (65·1 %) could be classified according to the Thai Nutrient Profile Model, of which 432 products (9·2 %) were classified as healthier. Moreover, among the 1487 products carrying health-related claims, 1219 (82·0 %) were classified as less healthy. Allowing less healthy food products to carry claims could mislead consumers and result in overconsumption of ready-to-eat food products.ConclusionsThe findings suggest effective policies should be implemented to increase the relative availability of healthier ready-to-eat packaged foods, as well as to improve the provision of nutrition information on labels in Thailand.

scholarly journals Photoactivated Self-Sanitizing Chlorophyllin-Containing Coatings to Prevent Microbial Contamination in Packaged Food

Coatings ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 328 ◽  
Author(s):  
Gracia López-Carballo ◽  
Pilar Hernández-Muñoz ◽  
Rafael Gavara
Keyword(s):  
Antimicrobial Activity ◽  
High Efficiency ◽  
Antimicrobial Properties ◽  
Methyl Cellulose ◽  
Log Reduction ◽  
Gram Positive Bacteria ◽  
Sodium Magnesium ◽  
Pet Film ◽  
Packaged Food ◽  
Sodium Copper Chlorophyllin

Chlorophyllins are semi-synthetic porphyrins obtained from chlorophyll that—when exposed to visible light—generate radical oxygen substances with antimicrobial activity. In this work, chlorophyllins incorporated with polyethylene (PE), polyvinyl alcohol (PVOH), (hydroxypropyl)methyl cellulose (HPMC), and gelatin (G) were formulated for application as coatings in packages providing antimicrobial activity after photoactivation. First, the antimicrobial properties of two porphyrins (sodium magnesium chlorophyllin, E-140, and sodium copper chlorophyllin, E-141) were analyzed against L. monocytogenes and Escherichia coli. The results indicated that E-140 was more active than E-141 and that chlorophyllins were more effective against Gram-positive bacteria. In addition, both chlorophyllins were more efficient when irradiated with halogen lamps than with LEDs, and they were inactive in dark conditions. Then, coatings on polyethylene terephthalate (PET) film were prepared, and their effect against the test bacteria was similar to that shown previously with pure chlorophyllins, i.e., greater activity in films containing E-140. Among the coating matrices, those based on PE presented the least effect (1 log reduction), whereas PVOH, HPMC, and G were lethal (7 log reduction). The self-sanitizing effect of these coatings was also analyzed by contaminating the surface of the coatings and irradiating them through the PET surface, which showed high efficiency, although the activity of the coatings was limited to L. monocytogenes. Finally, coated films were applied as separators of bologna slices. After irradiation, all the films showed count reductions of L. monocytogenes and the usual microbial load; the gelatin coating was the most effective, with an average of 3 log reduction.

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