Eco-friendly biodegradable film based on kombucha mushroom/corn starch/parsley extract: Physicochemical and antioxidant/antibacterial properties.

The main purpose of this study was to produce biodegradable film based on kombucha mushroom (KM), so kombucha mushroom was grown and used to prepare biodegradable film. Glycerol (Gl), corn starch (St), and parsley extract (PE) were used to improve the characteristics of the kombucha mushroom-based film. The physicochemical, thermal, and antibacterial properties of the films were investigated using different techniques.

Assessment of the impact of cold plasma technology on physicochemical properties of corn starch flour and the associated modified corn starch incorporated into milk dessert.

The utilization of cold plasma can be used as an alternative method to modify the properties of starch. This research aimed to examine the use of cold plasma technology to alter the structure of corn starch and investigate how its functionality could be improved using a food model (milk dessert). Modified corn starch by plasma technology under different gas contents (dielectric-barrier discharge (DBD)) (95 % argon+5 % hydrogen (DBD1) and 90 % argon+10 % oxygen (DBD2)) was compared to the control sample of corn starch.

Investigating the physicochemical, antimicrobial and antioxidant properties of chitosan film containing zero-valent iron nanoparticles and oregano essence.

The problems caused by the pollution of the environment by petroleum polymers in recent years have caused researchers to think of replacing petroleum polymers with biodegradable and natural polymers. The aim of this research was to produce composite film of chitosan (Chit)/zero-valent iron (Fe) nanoparticles/oregano essence (Ess) (Chit/Fe/Ess). Central composite design was used to study physical, morphological, antioxidant and antimicrobial properties of films.

Improving the microbial and physicochemical shelf life of yufka paste using and calcium propionate.

Considering the importance of reducing the use of chemical preservatives in food and the increasing attention of consumers to consume food products with minimal additives, the main goal of this research was to study the effect of use of chemical (calcium propionate) and biological () preservatives on increasing shelf life of yufka paste considering its physicochemical and microbial characteristics. For this purpose, three samples of yufka paste were prepared by adding concentrations of 10, 10, and 10 cfu/mL of individually and three samples of paste were prepared by adding the same amount of bacteria in combination with 0.3% calcium propionate and these samples were compared with the control sample (without preservative) and the sample only containing 0.

Biodegradable film of carboxymethyl cellulose modified with red onion peel powder waste and boron nitride nanoparticles: Investigation of physicochemical properties and release of active substances.

The aim of this study was to modify carboxymethyl cellulose (CMC) films with onion peel extract (OPE) (0-2 g), onion peel powder (OPP) (0-2 g) and boron nitride nanoparticles (BN) (0-100 mg). 17 different CMC/OPE/OPP/BN films were provided and the physicochemical properties of films were studied. The release of active compounds of the composite film was investigated over time.

Biodegradable film based on barley sprout powder/pectin modified with quercetin and VO nanoparticles: Investigation of physicochemical and structural properties.

In this study, barley sprout powder/pectin (BS/Pec) composite film was prepared. Quercetin (Qu) and vanadium oxide (VO) nanoparticles were used to improve the physicochemical and structural characteristics of the film. The structural, physicochemical and thermal properties of the films were investigated by various techniques such as TGA, SEM, XRD, FTIR, texture analysis, etc.

Investigation of physicochemical and sensory characteristics of low calorie sponge cake made from flaxseed mucilage and flaxseed flour.

This research aimed to extract flaxseed mucilage (FM) and investigate its rheological properties (static and dynamic tests) compared with animal oil. In the next stage, the D-optimal design was applied to investigate the effect of FM (0-60%) and FF (0-30%) replacements with animal oil and cake flour, respectively on the sponge cake's physicochemical, textural, and sensory properties. According to the flow behavior test, FM showed Newtonian behavior while animal oil had pseudoplastic behavior.

Development of a colorimetric sensor based on nanofiber cellulose film modified with ninhydrin to measure the formalin index of fruit juice.

In this research, a color sensor based on nanofiber cellulose film modified with ninhydrin was designed to measure amino acids and formalin index in fruit juice. For this purpose, three types of cellulose films with porosity of 5, 30 and 125 μm were used. These films were treated with standard solution of ninhydrin.

Photochromic biodegradable film based on polyvinyl alcohol modified with silver chloride nanoparticles and spirulina; investigation of physicochemical, antimicrobial and optical properties.

In this study, biodegradable film was prepared from polyvinyl alcohol (PVA), Silver chloride (AgCl) and spirulina (Sp). Surface morphology, mechanical properties, antioxidant, antimicrobial, optical properties, etc. were investigated.

Phenolic compounds of sugar beet ( L.): Separation method, chemical characterization, and biological properties.

Sugar beet ( L.) is a good source of bioactive compounds. However, information on the biological properties of sugar beet root is limited and its beneficial effects have not been completely understood.

Synthesis and characterization of novel Spirulina protein isolate (SPI)-based hydrogels through dual-crosslinking with genipin/Zn.

Spirulina protein isolate (SPI) is a bio-polymer that can be used in the design and synthesis of hydrogels due to its biodegradability and non-toxicity. Herein, dual-crosslinked hydrogels were synthesized based on spirulina protein isolate through covalent crosslinking with genipin and metal coordination with Zn, and used as delivery systems. From the analysis of colorimetric indices, a high correlation between color changes and the reaction of cross-linkers with amine group structure was observed.

Biodegradable film based on cress seed mucilage, modified with lutein, maltodextrin and alumina nanoparticles: Physicochemical properties and lutein controlled release.

In this study, maltodextrin (MDex), lutein pigment (Lut) and alumina (Al) were used to modify biodegradable film based on cress seed mucilage (Muc/MDex/Lut/Al). Central composite design (CCD) was used to study the effects of MDex, Lut and Al on the physical and chemical properties of the mucilage based film. The physicochemical, mechanical, antimicrobial and structural properties of the films were studied by various techniques such as FTIR, SEM, and XRD and TGA.

Hydrocolloids: Structure, preparation method, and application in food industry.

Hydrocolloids are a group of polysaccharides that act as thickeners, gelling agents, emulsion stabilizers, inhibitors of the growth and expansion of ice crystals in frozen materials, and inhibitors of the growth of sugar crystals in different industries. Hydrocolloids are used both to improve the rheological and textural properties of food products and also as fat substitutes. Also hydrocolloids are used in the production of low-calorie foods and also their beneficial nutritional properties causes their extensive application in the food industry.

Application of cellulose plate modified with encapsulated Cinnamomum zelanicum essential oil in active packaging of walnut kernel.

In this study, Cinnamomum zelanicum essential oil was encapsulated with β-cyclodextrin and sodium caseinate (EO/BCD/Ca) and nanoemulsion was optained. In order to encapsulation of essential oil, different formulations of nanoemulsions containing essential oil were produced by ultrasound method and the effect of different polymers on the particle size and turbidity of the nanoemulsion was investigated. Scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FTIR) techniques were used to study the structure and morphology of the produced nanoemulsions.

Nanocomposite base on carboxymethylcellulose hydrogel: Simultaneous absorbent of ethylene and humidity to increase the shelf life of banana fruit.

The main purpose of this study was to increase shelf life of banana using active hydrogel. For this purpose, carboxymethylcellulose/nanofiber cellulose/potassium permanganate (CMC/NFC/KMnO) hydrogel film was prepared. The morphology and physicochemical properties of CMC hydrogels was investigated.

Innovative smart and biodegradable packaging for margarine based on a nano composite polylactic acid/lycopene film.

In this study, polylactic acid (PLA)/titanium dioxide/lycopene (PLA/TiO/Lyc) nano-composite film was prepared. The morphology and mechanical properties of the film were studied by SEM and texture analyser. Results showed that lycopene and TiO nanoparticles were distributed in the film matrix uniformly, TiO and lycopene increased the mechanical properties of PLA film.

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

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.

Bacterial and oxidative control of local butter with smart/active film based on pectin/nanoclay/Carum copticum essential oils/β-carotene.

In this study, Pectin/Nanoclay (montmorillonite)/Carum copticum Essential oils/β-Carotene (Pec/Clay/CCE/βC) composite film was prepared. The effect of β-Carotene (βC) and Carum copticum Essential oils (CCE) concentration on the antioxidant activity and color/mechanical properties of Pec/Clay/CCE/βC film was studied. The morphology and antibacterial activity of film were studied.

Biodegradable film based on pectin/Nano-clay/methylene blue: Structural and physical properties and sensing ability for measurement of vitamin C.

In this study, biodegradable film based on pectin modified with Nanoclay and methylene blue was prepared. The Physicomechanical properties of the prepared film, including: thickness, water solubility, water vapor permeability (WVP), antioxidant activity and color properties were investigated. Scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Differential scanning calorimetry (DSC) and texture analysis techniques were used to investigate the physical and mechanical properties of the films.

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

Antibacterial/biodegradable film based on Chitosan (CS)/pomegranate peel extract (PPE) and Essences (MOE) was prepared. To study the effects of PPE and MOE on the film characteristics, a central composite design (CCD) was used. The physicochemical characteristics of the film, including moisture, water vapour permeability (WVP), antioxidant activity, microbial properties, FT-IR/SEM/XRED spectrum, etc.

Use of bacterial cellulose film modified by polypyrrole/TiO-Ag nanocomposite for detecting and measuring the growth of pathogenic bacteria.

The aim of this study was to use of bacterial cellulose/polypyrrole/TiO-Ag (BC/PPy/TiO-Ag) nanocomposite film to detect and measure the growth of 5 pathogenic bacteria. For this purpose, at first, 13 BC/PPy/TiO-Ag films were fabricated, then bacterial suspensions were prepared according to McFarland standard. The results showed that by increasing the bacterial concentration, the electrical resistance of sensors was decreased and there was a relation between bacterial concentration and bacterial type with electrical resistance change of sensors.

Molecular imprinted polymers for the controlled uptake of sinapic acid from aqueous media.

Several unique molecularly imprinted polymers (MIPs) were synthesized via a precipitation polymerization technique using 4-vinylpyridine as a functional monomer and ethylene glycol dimethacrylate as a cross-linker for selective separation of sinapic acid from aqueous solution. Three sets of MIPs with different functional monomer : cross-linker molar ratios at 4 : 20; 8 : 20 and 8 : 32 were prepared along with the corresponding non-templated polymers (NIPs). The MIPs and NIPs were characterized by scanning electron microscopy, dynamic light scattering, N2 adsorption analysis, thermogravimetry, and FT-IR/solids 13C NMR spectroscopy.

Intelligent and active packaging of chicken thigh meat by conducting nano structure cellulose-polypyrrole-ZnO film.

In this work intelligent and active films based on bacterial cellulose (BC) modified by polypyrrole-Zinc oxide nanocomposite (BC-PPy-ZnO) were provided. Chemical polymerization in the atmospheric condition was used for providing BC-PPy-ZnO film. Scanning electron microscopy (SEM) was used for studying BC-PPy-ZnO film morphology.

Photocatalytic/biodegradable film based on carboxymethyl cellulose, modified by gelatin and TiO-Ag nanoparticles.

In this study, the composite of carboxymethyl cellulose (CMC) film modified with gelatin and TiO-Ag nanoparticles (CMC/Gel/TiO-Ag) was prepared and some properties of synthesized film including physicochemical and photocatalytic properties were investigated. FT-IR results showed that new interactions between the film components were created. Scanning electron microscopy (SEM) results showed that the TiO-Ag particles with 50-100 nm distributed in the CMC/Gelatin film.