Characteristics of protein-based biopolymer and its application

Gupta, Pratima; Nayak, Kush Kumar

doi:10.1002/pen.23928

Cited by 127 publications

(67 citation statements)

References 124 publications

(185 reference statements)

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“…Completely natural composites and polymers are created, or synthetic polymers' microstructure is reinforced by bioingredients acting as fillers or active matrix constituents [3]. The natural polymers can not only reduce soil degradation, but also increase its fertility [4]. Lately biopolymers have been used as pesticide carriers.…”

Section: Introductionmentioning

confidence: 99%

Ternary Biopolymer Based on Wheat Gluten, Whey Protein Concentrate and Montmorillonite

Wesołowska–Trojanowska¹,

Tomczyńska‐Mleko

Terpiłowski

et al. 2016

J Inorg Organomet Polym

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The aim of the research was to obtain biopolymers based on wheat gluten, whey protein concentrate (WPC) and montmorillonite (MON). Ternary biopolymers were formed as heat-induced gels and they were hardened by water evaporation. Adding 7 % of MON and 5 % WPC to gluten caused ca. four times higher values of storage modulus. Increased moduli values with adding MON and WPC to gluten were probably caused by reinforcing effect of MON, which decreased mobility of gluten chains and possible interactions between gluten and whey proteins by disulphide interchange. Increase in gluten protein concentration and addition of WPC and MON caused increase in viscosity measured by dissipation of ultrasound vibrations. Evaporation of water from the gels formed very hard material with high puncture force values. Obtained gels were very plastic and it was easy to form any type of shapes. They could be used to produce biodegradable pottery (e.g. flowerpots) with the mechanical properties similar to non-degradable clay products.

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Section: Introductionmentioning

confidence: 99%

Ternary Biopolymer Based on Wheat Gluten, Whey Protein Concentrate and Montmorillonite

Wesołowska–Trojanowska¹,

Tomczyńska‐Mleko

Terpiłowski

et al. 2016

J Inorg Organomet Polym

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“…Keratin occurs in nature mainly in the form of hair, horn, nails and cornified tissue (Gupta and Nayak 2015). Feathers represent a rich protein source and contain about 90% of proteins and can be used for the production of protein-rich hydrolysate.…”

Section: Proteases For Processing Of Keratin Wastesmentioning

confidence: 99%

Potential application spectrum of microbial proteases for clean and green industrial production

Singh

Bajaj

2017

Energ. Ecol. Environ.

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Enzymes are the cornerstones of metabolism and constitute the fundamental basis for existence of life. However, recently enzymes are being implicated in diverse industrial processes because of their specific and fast action for efficient bioconversion of substrate to product, and their capability to save raw materials, energy and chemicals for various manufacturing processes. Enzymes are considered as environment-friendly (green) chemicals that may potentially help replacing completely or reducing the usage of hazardous chemicals for industrial processes, thus promising sustainable production and manufacturing. Among various industrial enzymes microbial proteases dominate the world enzyme market due to their multifaceted application potential in varied bioindustries like food, pharmaceutical, textile, photographic, leather and detergent. Promising applications of proteases in agricultural sector for instance may include biocontrol of pests, degumming of silk, selective delignification of hemp and wool processing. However, for successful industrial applications the proteases must be robust enough to suit the process conditions which are generally hostile. Proteases intended for industrial applications must have activity and stability over wide range of temperature and pH extremes for prolonged time periods and even in the presence of various potential enzyme inhibitors. Of various microbial proteases those from Bacillus spp. have got special significance because the latter are known for their ability to produce sturdy enzymes that might have suitability for industrial process conditions. The current article presents an interpretive summary of the recent developments on application potential of proteases for various industries.

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“…The natural polymer offers a number of advantages over synthetic polymer such as complete degradation, increased soil fertility, low accumulation of bulky plastic materials in the environment, and reduction in the cost of waste management (Thakur et al 2012a, b, c, d, e). Natural polymers can be obtained from three kinds of renewable resources: (a) from plants (starch) (Chinma et al 2013), (soy protein) (Echeverría et al 2014), and (cellulose) (Deepa et al 2011;Sirviö et al 2014); (b) from animals (chitosan) (Venkatesan et al 2014), (keratin) (Flores-Hernández et al 2014), (silk) (Mitra 2014); and (c) by microbial fermentation (polyhydroxyalkanoates) (PHA) and (polyhydroxybutyrate) (PHB) (Gupta and Nayak 2014).…”

Section: Introductionmentioning

confidence: 99%

Soy Protein- and Starch-Based Green Composites/Nanocomposites: Preparation, Properties, and Applications

Koshy

Mary

Pothan

et al. 2015

Advanced Structured Materials

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With the environmental appeal around the planet for a sustainable development, there is the need to develop new materials from renewable resources, which can be degraded in a short time in the environment, thereby maintaining the proper balance of the carbon cycle. Biopolymers from various natural botanical resources can act as a substitute for petroleum-based synthetic polymers because of their low cost, ease of availability, and biodegradability along with other organic wastes to soil humic materials. Materials which are biodegradable and fully sustainable are termed as "Green Composites". This development not only solves the white pollution problem but also stops the overdependence on petroleum products. Development of Green Composites made from soy protein and starch has been a great challenge for the scientific community, since these materials do not possess all the desirable characteristics of the synthetic polymers, being mostly often, highly hydrophilic and also presenting poor mechanical properties to be used as engineering's materials. Cellulose macro-and nano-fibers can be used as reinforcement in composite materials to enhance mechanical, thermal, and biodegradation properties of the composites. In this chapter we will be dealing mainly with the preparation, properties, and applications of cellulose fiber-reinforced green composites based on soy protein and starch.

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Characteristics of protein-based biopolymer and its application

Cited by 127 publications

References 124 publications

Ternary Biopolymer Based on Wheat Gluten, Whey Protein Concentrate and Montmorillonite

Ternary Biopolymer Based on Wheat Gluten, Whey Protein Concentrate and Montmorillonite

Potential application spectrum of microbial proteases for clean and green industrial production

Soy Protein- and Starch-Based Green Composites/Nanocomposites: Preparation, Properties, and Applications

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