Smart film based on chitosan/Melissa officinalis essences/ pomegranate peel extract to detect cream cheeses spoilage

Pirsa, Sajad; Sani, Iraj Karimi; Pirouzifard, Mir Khalil; Erfani, Aref

doi:10.1080/19440049.2020.1716079

Cited by 81 publications

(27 citation statements)

References 51 publications

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“…It was then dried in an oven at 105 °C for 24 h. The sample with the plate was removed from the oven after this time and weighed again after cooling in the desiccator ( W 2 ). The amount of biohydrogel moisture was calculated by the following equation [ 17 ]

\begin{matrix} Moisture (%) = \frac{W_{1} - W_{2}}{W_{1}} \times 100 \end{matrix}

…”

Section: Methodsmentioning

confidence: 99%

Specific Removal of Nitrite from Lake Urmia Sediments by Biohydrogel Based on Isolated Soy Protein/Tragacanth/Mesoporous Silica Nanoparticles/Lycopene

Asadzadeh

Pirsa

2020

Global Challenges

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In this study, a biodegradable biohydrogel based on isolated soy protein/tragacanth containing mesoporous silica nanoparticles and lycopene pigment (ISP/TG/MPS/Lyc) is prepared. The physicochemical characteristics and structure of the biohydrogel are investigated by scanning electron microscopy, Fourier‐transform infrared spectroscopy (FTIR), X‐ray diffraction, and thermal gravimetry analysis (TGA) techniques. Mechanical properties (tensile strength and elongation at break point), antioxidant activity, water solubility, water absorption capacity (WAC), and the humidity content of the biohydrogels are studied. Five optimal biohydrogels including pure ISP, ISP/TG, ISP/MPS, ISP/Lyc, and ISP/TG/MPS/Lyc are used for chemical treatment of Lake Urmia sediments. For this purpose, biochemical oxygen demand (BOD), chemical oxygen demand (COD), nitrate, and nitrite of sediments are examined before and after treatment with biohydrogels. According to the FTIR results, there is only physical interaction between lycopene and isolated soy protein. According to the TGA results, adding silica mesoporous to biohydrogel increases its thermal stability. Tragacanth gum and lycopene pigment reduce water solubility and increase the WAC of biohydrogel. The biohydrogel significantly reduces the BOD and COD of the sediments. The biohydrogel reduces nitrite content up to 90%, while reducing nitrate content by almost 30%. The results show that the biohydrogel containing lycopene selectively purifies nitrite from the sediment solution of Lake Urmia.

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\begin{matrix} Moisture (%) = \frac{W_{1} - W_{2}}{W_{1}} \times 100 \end{matrix}

…”

Section: Methodsmentioning

confidence: 99%

Specific Removal of Nitrite from Lake Urmia Sediments by Biohydrogel Based on Isolated Soy Protein/Tragacanth/Mesoporous Silica Nanoparticles/Lycopene

Asadzadeh

Pirsa

2020

Global Challenges

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“…Pirsa et al prepared an antibacterial/biodegradable film consisting of CS/pomegranate peel extract (PPE) and Melissa officinalis essential oil (MOE) and studied the detection of cream cheese spoilage. 186 Both MOE and PPE exhibit antimicrobial activities. The antioxidant and antimicrobial activity in PPE is due to the presence of flavonoids, azelaic acid, anthocyanidins, flavonones, anthocyanins, and aesthetic flavones.…”

Section: Antimicrobial Biopolymersmentioning

confidence: 99%

Antibacterial and Antiviral Functional Materials: Chemistry and Biological Activity toward Tackling COVID-19-like Pandemics

Balasubramaniam

Prateek

Ranjan

et al. 2020

ACS Pharmacol. Transl. Sci.

211

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The ongoing worldwide pandemic due to COVID-19 has created awareness toward ensuring best practices to avoid the spread of microorganisms. In this regard, the research on creating a surface which destroys or inhibits the adherence of microbial/viral entities has gained renewed interest. Although many research reports are available on the antibacterial materials or coatings, there is a relatively small amount of data available on the use of antiviral materials. However, with more research geared toward this area, new information is being added to the literature every day. The combination of antibacterial and antiviral chemical entities represents a potentially path-breaking intervention to mitigate the spread of disease-causing agents. In this review, we have surveyed antibacterial and antiviral materials of various classes such as small-molecule organics, synthetic and biodegradable polymers, silver, TiO2, and copper-derived chemicals. The surface protection mechanisms of the materials against the pathogen colonies are discussed in detail, which highlights the key differences that could determine the parameters that would govern the future development of advanced antibacterial and antiviral materials and surfaces.

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“…The PPE contains anthocyanin pigments that are sensitive to pH changes, the color change from blue (alkaline environment) to red (acid environment), which made possible follow up the shelf-life of the cheese. The authors observed that the addition of PPE and MOE increased the antioxidant power of the films, and also the MOE showed antimicrobial activity (Pirsa, 2020).…”

Section: Additivesmentioning

confidence: 99%

Natural edible films and coatings applied in food: a bibliographic review

Santos

Pizato

Cortez‐Vega

2020

RSD

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Nowadays, the world's plastic production generates lot of plastic waste. Therefore, the need of reducing conventional nonbiodegradable plastic materials has encouraged the development of innovative biodegradable materials from renewable resources. Biobased polymer film can be developed using naturally occurring sources like polysaccharides, proteins, lipids, and their combinations. Natural edible polymers are the materials made from natural edible constituents that can be consumed by animals or human beings with no health risk. Also, there are additives that could be used as well to improve the package characteristics, such as essential oils, antioxidants. This review article aims to make an extensive literature review and compare data found by several authors in relation to the various natural polymers used in the manufacture of edible coatings and films applied in food products, and thereby show that their use can improve their characteristics and prolong the shelf life. More than 130 bibliographic references were used to produce this review article and several research platforms were used (Scielo, google academic, among others). After the extensive literature review, it is possible to conclude that the use of polymers obtained from natural sources is effective for preserving food for a longer time and thus causing a reduction in the loss of shelf life in these products.

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Smart film based on chitosan/Melissa officinalis essences/ pomegranate peel extract to detect cream cheeses spoilage

Cited by 81 publications

References 51 publications

Specific Removal of Nitrite from Lake Urmia Sediments by Biohydrogel Based on Isolated Soy Protein/Tragacanth/Mesoporous Silica Nanoparticles/Lycopene

Specific Removal of Nitrite from Lake Urmia Sediments by Biohydrogel Based on Isolated Soy Protein/Tragacanth/Mesoporous Silica Nanoparticles/Lycopene

Antibacterial and Antiviral Functional Materials: Chemistry and Biological Activity toward Tackling COVID-19-like Pandemics

Natural edible films and coatings applied in food: a bibliographic review

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