A sustainable bioplastic obtained from rice straw

Bilo, Fabjola; Pandini, Stefano; Sartore, Luciana; Depero, Laura E.; Gargiulo, Giovanna; Bonassi, Andrea; Federici, Stefania; Bontempi, Elza

doi:10.1016/j.jclepro.2018.07.252

Cited by 187 publications

(73 citation statements)

References 34 publications

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“…The yielded films (approx. 0.3 mm thick) had tensile strength of 43 MPa, elongation at break of 6.1%, and Young's modulus of 45 MPa [1]. Although less strong, the films produced in this study using wheat straw and bran via compression molding have been determined to be stiffer with a maximum Young's modulus of 668 MPa for the straw film (A. oryzae, milled) and 1074 MPa for the bran film (T. versicolor).…”

Section: Mechanical Analysesmentioning

confidence: 70%

“…All the films presented elongation at break below 3%, except for the bran pretreated with T. versicolor and milled (3.7%). Using rice straw, Bilo et al (2018) have produced bioplastics via the solution casting method with trifluoroacetic acid (TFA) as solvent. The yielded films (approx.…”

Section: Mechanical Analysesmentioning

confidence: 99%

“…Plastics are widely used in the modern world. They are present in a plethora of products in different applications [1]. In the European market, almost 40% of the plastic is used by the packaging industry.…”

Section: Introductionmentioning

confidence: 99%

“…This, as well as the presence of organic contamination in the case of food packages, can make recycling or reuse difficult [3]. A group of actions is necessary to change this scenario, including the substitution of the plastic by biodegradable materials and a better management system [1,2].…”

Section: Introductionmentioning

confidence: 99%

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Valorization of Wheat Byproducts for the Co-Production of Packaging Material and Enzymes

2020

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Waste management systems are overloaded with huge streams of plastic, a large part of this being originated from packaging. Additionally, the production of wheat, one of the most cultivated crops in the world, generates low-value lignocellulosic materials, which are mostly discarded. In this study, the wheat lignocellulosic byproducts straw and bran were used for the co-production of enzymes and bio-based materials with possible application as packaging via the compression molding method. The mechanical properties of the films were studied based on the effects of the removal of lignin by alkali and biological pretreatment, the growth of filamentous fungi, the size of the particles, and the enzyme recovery. Generally, the straw films were stiffer than the bran ones, but the highest Young’s modulus was obtained for the biologically pretreated bran (1074 MPa). The addition of a step to recover the fungal cellulases produced during the cultivation had no statistical effect on the mechanical properties of the films. Moreover, alkali and biological pretreatments improved the anaerobic biodegradability of the straw films. Thus, the wheat bran and straw can be used for the co-production of enzymes, materials, and biogas, potentially changing how wheat and packaging wastes are managed.

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Section: Mechanical Analysesmentioning

confidence: 70%

Section: Mechanical Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Valorization of Wheat Byproducts for the Co-Production of Packaging Material and Enzymes

2020

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“…Recently, a novel bioplastic has been developed from rice straw, an agricultural waste that generally is not recovered. Interestingly, based on the environmental relative humidity, the developed material exhibited a dual mechanical behaviour that can be further exploited to obtain thin edible films and paper sheets or to drive shape memory effect [168]. In another recent study, wheat lignocellulosic by-products, i.e., straw and bran were used for the co-production of enzymes and bio-based materials, with a possible application as packaging via the compression moulding technique.…”

Section: Biopolymer-based Packaging From Cereal By-productsmentioning

confidence: 99%

Advances on the Valorisation and Functionalization of By-Products and Wastes from Cereal-Based Processing Industry

Skendi

Zinoviadou

Παπαγεωργίου

et al. 2020

Foods

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Cereals have been one of the major food resources for human diets and animal feed for thousands of years, and a large quantity of by-products is generated throughout the entire processing food chain, from farm to fork. These by-products mostly consist of the germ and outer layers (bran) derived from dry and wet milling of the grains, of the brewers’ spent grain generated in the brewing industry, or comprise other types obtained from the breadmaking and starch production industries. Cereal processing by-products are an excellent low-cost source of various compounds such as dietary fibres, proteins, carbohydrates and sugars, minerals and antioxidants (such as polyphenols and vitamins), among others. Often, they are downgraded and end up as waste or, in the best case, are used as animal feed or fertilizers. With the increase in world population coupled with the growing awareness about environmental sustainability and healthy life-styles and well-being, the interest of the industry and the global market to provide novel, sustainable and innovative solutions for the management of cereal-based by-products is also growing rapidly. In that respect, these promising materials can be valorised by applying various biotechnological techniques, thus leading to numerous economic and environmental advantages as well as important opportunities towards new product development (NPD) in the food and feed industry and other types such as chemical, packaging, nutraceutical (dietary supplements and food additives), cosmetic and pharmaceutical industries. This review aims at giving a scientific overview of the potential and the latest advances on the valorisation of cereal-based by-products and wastes. We intended it to be a reference document for scientists, technicians and all those chasing new research topics and opportunities to explore cereal-based by-products through a circular economy approach.

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Public Attitude Toward Recycling Routes of Bioplastics—Knowledge on Sustainable Purchases

Shaikh

Kumar

2022

Handbook of Bioplastics and Biocomposites Engineering Applications

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A sustainable bioplastic obtained from rice straw

Cited by 187 publications

References 34 publications

Valorization of Wheat Byproducts for the Co-Production of Packaging Material and Enzymes

Valorization of Wheat Byproducts for the Co-Production of Packaging Material and Enzymes

Advances on the Valorisation and Functionalization of By-Products and Wastes from Cereal-Based Processing Industry

Public Attitude Toward Recycling Routes of Bioplastics—Knowledge on Sustainable Purchases

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