Low Cost Chitosan Biopolymer for Environmental Use Made from Abundant Shrimp Wastes

Kadouche, Slimane; Farhat, M.; Lounici, H.; Fiallo, Marina; Sharrock, Patrick; Mecherri, M.O.; Hadioui, Madjid

doi:10.1007/s12649-016-9593-2

Cited by 22 publications

(14 citation statements)

References 19 publications

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“…A higher DD increases the number of positive charges which increases the interaction between chitosan and cells, leading to an improved biocompatibility [21]. In addition, chitosan is a low-cost and economic natural biopolymer [22]. The price of chitin (3.6–6.0 US$/kg)/chitosan (30–500 US$/kg) are hundreds or thousands of times higher than the price of shell wastes (0.05–0.15 US$/kg) [23], while the production costs were around 1.70 US$/kg for chitin and 3.50 US$/kg for chitosan 40 years ago [24].…”

Section: Resultsmentioning

confidence: 99%

Application of Chitosan in Bone and Dental Engineering

et al. 2019

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Chitosan is a deacetylated polysaccharide from chitin, the natural biopolymer primarily found in shells of marine crustaceans and fungi cell walls. Upon deacetylation, the protonation of free amino groups of the d-glucosamine residues of chitosan turns it into a polycation, which can easily interact with DNA, proteins, lipids, or negatively charged synthetic polymers. This positive-charged characteristic of chitosan not only increases its solubility, biodegradability, and biocompatibility, but also directly contributes to the muco-adhesion, hemostasis, and antimicrobial properties of chitosan. Combined with its low-cost and economic nature, chitosan has been extensively studied and widely used in biopharmaceutical and biomedical applications for several decades. In this review, we summarize the current chitosan-based applications for bone and dental engineering. Combining chitosan-based scaffolds with other nature or synthetic polymers and biomaterials induces their mechanical properties and bioactivities, as well as promoting osteogenesis. Incorporating the bioactive molecules into these biocomposite scaffolds accelerates new bone regeneration and enhances neovascularization in vivo.

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Section: Resultsmentioning

confidence: 99%

Application of Chitosan in Bone and Dental Engineering

et al. 2019

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“…Which was applied to the juglone obtaining in Juglans mandshurica waste branches. This is also in line with the full use of waste resources to complete the trend of green development [40,41,42]. Moreover, response surface analysis (RSM) based on BBD was applied to optimize the MBMAE of juglone.…”

Section: Introductionmentioning

confidence: 90%

A novel method to extract juglone from Juglans mandshurica waste branches using a water-in-oil microemulsion

Meng

Tian

et al. 2021

Preprint

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Pruning of Juglans mandshurica produces a lot of waste branches which are potentially rich source of juglone. However, they are usually discarded as waste. Given that, the water-in-oil microemulsion was proposed, aiming at developing a novel and efficient microemulsion-based microwave-assisted extraction（MBMAE）method. By which juglone in the Juglans mandshurica waste branches could be obtained. In our experiment, the waste branches powder was added to the MBMAE system. Under the best microemulsion system: (tween 80: n-propanol : n-hexane : water＝27% : 13.5% : 4.5% : 55%), the PH of the microemulsion solution of 5.6, microemulsion - Juglans mandshurica branches powder of 20:1 (mL/g), operating temperature of 40°C and operating time of 63 s, operating power of 400 W, the juglone yield was 4.58 mg/g. The results were that the extraction yield applying the MBMAE method were 1.86-fold and 6.65-fold that of microwave-assisted extraction applying ethanol (Ethanol-MAE) and heat reflux extraction by ethanol (Ethanol-HRE), respectively. Obviously, the MBMAE method could be used as an alternative to traditional extraction methods to extract juglone.Statement of Novelty A large number of waste branches from Juglans mandshurica pruning are often discarded as waste. Based on the concept of green development, this work proposes for the first time the extraction and utilization of juglone from the waste branches of Juglans mandshurica. However, a certain problem such as low efficiency, high cost, and complicated operation is existing in traditional extraction method for juglone. Consequently, a special microemulsion system for juglone was established for the first time, and on this basis, the application of MBMAE method to the extraction of juglone was also proposed for the first time. It provides data support for the extraction of juglone from other materials or plants.

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“…[47] extract and characterize the fish scale chitosan (Labeo rohita). While [48] make the extraction from abundant shrimp residues (exoskeleton -shells). Already [49] use as extraction source the blue crab.…”

Section: Chitosanmentioning

confidence: 99%

Biodegradable Polymers: Opportunities and Challenges

Rosseto¹,

Rigueto²,

Krein³

et al. 2020

Organic Polymers

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The overuse of polymer materials from fossil sources has generated a large volume of waste that causes environmental impacts due to the degradation time. The technological advance has stimulated the search for alternatives that can contribute to sustainability. In this context, the use of biodegradable polymers, that use raw materials from renewable sources stand out because they have that ability to form films and come from abundant sources. Also, in the expectation of optimizing the environmental benefits in this process, it is possible to value the agroindustrial residues, using them as raw material in the synthesis of the polymer, the physical, chemical and mechanical properties of these polymers are important to evaluate the possible applications. The proposal of this chapter is to present current research on renewable sources, including agricultural and industrial residues, to obtain biodegradable polymers, highlighting their properties and possibilities of application.

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Low Cost Chitosan Biopolymer for Environmental Use Made from Abundant Shrimp Wastes

Cited by 22 publications

References 19 publications

Application of Chitosan in Bone and Dental Engineering

Application of Chitosan in Bone and Dental Engineering

A novel method to extract juglone from Juglans mandshurica waste branches using a water-in-oil microemulsion

Biodegradable Polymers: Opportunities and Challenges

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