Smart biodegradable films based on chitosan/methylcellulose containing Phyllanthus reticulatus anthocyanin for monitoring the freshness of fish fillet

Gasti, Tilak; Dixit, Shruti; D’souza, Oshin Jacintha; Hiremani, Vishram D.; Vootla, Shyam Kumar; Masti, Saraswati P.; Chougale, Ravindra B.; Malabadi, Ravindra B.

doi:10.1016/j.ijbiomac.2021.07.128

Cited by 103 publications

(51 citation statements)

References 73 publications

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“…The DPPH (2,2-diphenyl-1-picrylhydrazyl) method was used to determine the antioxidant activity of the prepared films based on their free radical scavenging activity by reported protocol. Briefly, 2 mL (1 mMol) of DPPH in methanolic solution and 1 mL each of five different concentrations (20,40,60,80, and 100 g/mL) of each sample solution were mixed and incubated at room temperature for 30 minutes. These incubated sample mixtures were exposed to UV-Vis spectrophotometer to record absorption values at 517 nm.…”

Section: Antioxidant Activitymentioning

confidence: 99%

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Enhanced Functional Properties of Biodegradable Polyvinyl Alcohol/Carboxymethyl Cellulose (PVA/CMC) Composite Films Reinforced with l-alanine Surface Modified CuO Nanorods

et al. 2022

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Herein, we described novel biogenic preparation of the CuO nanorods and its surface modification with L-alanine amino acid accelerated by microwave irradiation. The effect of surface functionalized CuO nanorods on the polyvinyl alcohol/carboxymethyl cellulose film physicomechanical properties were investigated through various characterization techniques. The tensile strength was improved from 28.58±0.73 MPa to 43.40±0.93 MPa, UV shielding ability and barrier to the water vapors were highly enhanced when PVA/CMC matrices filled with 8 wt% of CuO-Lalanine. In addition, the prepared films exhibited acceptable overall migration limit and readily undergoes soil burial degradation. Nevertheless, CuO-L-alanine incorporated films showed potent antioxidant activity against DPPH radicals and had high antibacterial activity against Staphylococcus aureus and Escherichia coli, and antifungal activity against Candida albicans and Candida tropicalis. Furthermore, the nanocomposite films showed negligible cytotoxic effect on HEK293 and Caco-2 cell lines. In these contexts, the developed nanocomposite films can be implementing as an active food packaging material.

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Section: Antioxidant Activitymentioning

confidence: 99%

“…The water contact angle (WCA) is used to determine the hydrophilicity and hydrophobicity of the film surface. WCA > 90° and < 90° were considered to be hydrophobic and hydrophilic respectively [40]. WCA of the prepared nanocomposite films was shown in Fig.…”

Section: Surface Wettability Testmentioning

confidence: 99%

Enhanced Functional Properties of Biodegradable Polyvinyl Alcohol/Carboxymethyl Cellulose (PVA/CMC) Composite Films Reinforced with l-alanine Surface Modified CuO Nanorods

et al. 2022

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“…The thickness is a property of edible films related to its tensile, mechanical and light barrier properties-thus influencing the shelf life of food products [16]. In this research, the edible films showed a thickness between 0.17 and 0.19 mm, as shown in Table 1.…”

Section: Thicknessmentioning

confidence: 63%

Milk Protein-Based Edible Films: Influence on Mechanical, Hydrodynamic, Optical and Antioxidant Properties

et al. 2022

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Edible films are thin preformed layers that provide food protection against adverse environmental conditions. Despite milk proteins being functional ingredients that can provide interesting features to films, there is scarce information evaluating their influence on film properties and stability. For this reason, this research work compared the mechanical (thickness, tensile strength, elongation at break), hydrodynamic (moisture content, water solubility, swelling ratio, water vapor transmission rate), color and antioxidant (DPPH) properties of edible films based on casein and whey protein isolate (two types, WPI1 and WPI2). Films with casein displayed the highest thickness (0.193 mm), elongation at break (49.67%), moisture content (40.21%) and antioxidant capacity (32.64% of DPPH inhibition), while obtaining the lowest water vapor transmission rate (15.28 g/m2·day). Significant differences were found in the color properties, mainly between films with casein and those made with WPI. Films containing WPI1 and WPI2 were statistically similar in thickness, tensile strength and color properties. The results showed that the properties of the edible films depended on the type of milk protein used. Thus, it is important to evaluate the features provided by different ingredients and formulations for obtaining edible films that properly preserve food.

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“…[37] The absorption bands emerged at 2929 and 2840 cm À 1 were associated with the stretching vibrations of methylene group (À CH 2 ) and those at 1652 and 1564 cm À 1 were attributed to C=O stretching of amide I and II functional groups respectively. [38,39] Furthermore, the band at 1032 cm À 1 was due to CÀ OÀ C stretching vibration and the intensity of ZnÀ OH stretching band at 878 cm À 1 was reduced due to hydrogen bonding interaction with the CS molecule. 004) and (202) characteristic reflection planes of zincite crystal structure of ZnONPs respectively (JCPDS file no: 36-1451).…”

Section: Ft-ir Analysismentioning

confidence: 99%

“…The hydroxyl stretching vibration of bare ZnONPs was broad and more intense due to stretching vibration of N−H and O−H functional groups present in the Chitosan (CS) molecule [37] . The absorption bands emerged at 2929 and 2840 cm −1 were associated with the stretching vibrations of methylene group (−CH 2 ) and those at 1652 and 1564 cm −1 were attributed to C=O stretching of amide I and II functional groups respectively [38,39] . Furthermore, the band at 1032 cm −1 was due to C−O−C stretching vibration and the intensity of Zn−OH stretching band at 878 cm −1 was reduced due to hydrogen bonding interaction with the CS molecule.…”

Section: Characterization Of Cs‐znonpsmentioning

confidence: 99%

Chitosan‐ZnO: An Efficient and Recyclable Polymer Incorporated Hybrid Nanocatalyst to Synthesize Tetrahydrobenzo[b]pyrans and Pyrano[2,3‐d]pyrimidinones under Microwave Expedition

et al. 2022

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The innovation of facile, efficient and mild procedures utilizing contemptible, conveniently separable and reusablesolid catalysts that overcome obstacles are invariably in demand. Hence, a straightforward one-pot multicomponent reaction (MCR) and an expedient procedure for the synthesis of pyran annulated heterocycles 5 a-k and 6 l-v is developed using Chitosan-Zinc oxide (CS-ZnO) hybrid nanocatalyst. Use of aqueous medium is one of the major highlight of the present protocol. This protocol renders ease of operation, facile work up and magnified yields (90-95 %) as well as explores the use of modified polymeric substrates in the organic synthesis.

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Smart biodegradable films based on chitosan/methylcellulose containing Phyllanthus reticulatus anthocyanin for monitoring the freshness of fish fillet

Cited by 103 publications

References 73 publications

Enhanced Functional Properties of Biodegradable Polyvinyl Alcohol/Carboxymethyl Cellulose (PVA/CMC) Composite Films Reinforced with l-alanine Surface Modified CuO Nanorods

Enhanced Functional Properties of Biodegradable Polyvinyl Alcohol/Carboxymethyl Cellulose (PVA/CMC) Composite Films Reinforced with l-alanine Surface Modified CuO Nanorods

Milk Protein-Based Edible Films: Influence on Mechanical, Hydrodynamic, Optical and Antioxidant Properties

Chitosan‐ZnO: An Efficient and Recyclable Polymer Incorporated Hybrid Nanocatalyst to Synthesize Tetrahydrobenzo[b]pyrans and Pyrano[2,3‐d]pyrimidinones under Microwave Expedition

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