Animal by-products collagen and derived peptide, as important components of innovative sustainable food systems—a comprehensive review

Cao, Changwei; Xiao, Zhichao; Ge, Chutian; Wu, Yue

doi:10.1080/10408398.2021.1931807

Cited by 30 publications

(24 citation statements)

References 191 publications

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“…Collagen can be purified from this extract to obtain collagen fractions with different molecular weights. Purification processes use multiple steps [ 96 ] which may include filtration and centrifugation [ 85 ]. Target protein, or unwanted proteins, may be precipitated from solution by “salting out” (adding a high concentration of salt to extract).…”

Section: Collagen Extraction Processmentioning

confidence: 99%

“…Precipitated collagen is placed in dialysis bag and dialysed against an acidic solution or deionised water. During dialysis, the dialysate is periodically changed to increase the rate of ion migration [ 96 ]. Various dialysis schemes have been reported [ 38 , 59 ].…”

Section: Collagen Extraction Processmentioning

confidence: 99%

“…Purification methods may be customized to recover collagen of a certain molecular weight range [ 70 ]. Various types of membrane filtrations and chromatographic separations can be used to finetune the molecular weight of the collagen product [ 96 , 98 ].…”

Section: Collagen Extraction Processmentioning

confidence: 99%

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Collagen Extraction from Animal Skin

Matinong

Chisti

Pickering

et al. 2022

Biology

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Collagen is the most abundant structural protein in animals. It is the major component of skin. It finds uses in cosmetics, medicine, yarn production and packaging. This paper reviews the extraction of collagen from hides of most consumed animals for meat with the focus on literature published since 2000. The different pretreatment and extraction techniques that have been investigated for producing collagen from animal skins are reviewed. Pretreatment by enzymatic, acid or alkaline methods have been used. Extraction by chemical hydrolysis, salt solubilization, enzymatic hydrolysis, ultrasound assisted extraction and other methods are described. Post-extraction purification methods are also explained. This compilation will be useful for anyone wishing to use collagen as a resource and wanting to further improve the extraction and purification methods.

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Section: Collagen Extraction Processmentioning

confidence: 99%

Section: Collagen Extraction Processmentioning

confidence: 99%

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Collagen Extraction from Animal Skin

Matinong

Chisti

Pickering

et al. 2022

Biology

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“…Collagen and its derivatives such as gelatine or collagen peptides have found numerous uses in the food, biomedical, beauty products, and nutraceutical industries [ 96 , 97 , 98 ]. This section focuses on food applications and is limited to the enhancement of food products, omitting the very broad area of nutraceuticals and their health benefits.…”

Section: Proteinsmentioning

confidence: 99%

“…The examples presented above are by no means an exhaustive list of the various applications of collagen. For a more comprehensive review the reader is kindly asked to refer to the paper written by Cao and colleagues in 2021 [ 98 ].…”

Section: Proteinsmentioning

confidence: 99%

The Influence of the Structure of Selected Polymers on Their Properties and Food-Related Applications

Koczoń

Josefsson²,

Michorowska

et al. 2022

Polymers

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Every application of a substance results from the macroscopic property of the substance that is related to the substance’s microscopic structure. For example, the forged park gate in your city was produced thanks to the malleability and ductility of metals, which are related to the ability of shifting of layers of metal cations, while fire extinguishing powders use the high boiling point of compounds related to their regular ionic and covalent structures. This also applies to polymers. The purpose of this review is to summarise and present information on selected food-related biopolymers, with special attention on their respective structures, related properties, and resultant applications. Moreover, this paper also highlights how the treatment method used affects the structure, properties, and, hence, applications of some polysaccharides. Despite a strong focus on food-related biopolymers, this review is addressed to a broad community of both material engineers and food researchers.

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Multifunctional, Ultra‐Tough Organohydrogel E‐Skin Reinforced by Hierarchical Goatskin Fibers Skeleton for Energy Harvesting and Self‐Powered Monitoring

Fan

Tao

2023

Adv Funct Materials

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E‐skins based on conductive hydrogels are regarded as ideal candidates for sensing application. However, limited by the constructed materials and strategies, the current conductive hydrogels have poor mechanical properties, single function, and unsatisfactory conductivity, which seriously hinder their development and application. Herein, the natural goatskin with hierarchical 3D network structure weaved by collagen fibers is used as the substrate material for the construction of ultra‐tough hydrogel through a “top‐down” strategy, in which acrylic acid monomer is first vacuum‐impregnated into the interstices of goatskin fibers skeleton and is then polymerized in situ to produce the skin‐based hydrogel with unique 3D wrapping structure. Based on the skin‐based hydrogel, a substrate with load‐carrying capacity, after loaded with a new multifunctional nanoscale‐conductive medium nanosilver particles (AgNPs) and 1,3‐propanediol, a goatskin‐derived multifunctional organohydrogel S@HCP is constructed with excellent mechanical properties, self‐adhesion, transparency, ultraviolet shielding, antibacterial, biocompatibility, environmental stability, and conductivity. Notably, the stretchable S‐TENG assembled using S@HCP can be perfectly suited for real‐life applications including biomechanical energy harvesting, self‐powered tactile‐sensing, and motion monitoring. It is believed that, by combining natural animal skin with different functional materials, it is possible to reuse animal skin, “dead skin,” which provides a new platform for developing multifunctional flexible e‐skin.

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Animal by-products collagen and derived peptide, as important components of innovative sustainable food systems—a comprehensive review

Cited by 30 publications

References 191 publications

Collagen Extraction from Animal Skin

Collagen Extraction from Animal Skin

The Influence of the Structure of Selected Polymers on Their Properties and Food-Related Applications

Multifunctional, Ultra‐Tough Organohydrogel E‐Skin Reinforced by Hierarchical Goatskin Fibers Skeleton for Energy Harvesting and Self‐Powered Monitoring

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