Chitosan

Chawla, S.P.; Kanatt, Sweetie R.; Sharma, Anand

doi:10.1007/978-3-319-16298-0_13

Cited by 24 publications

(27 citation statements)

References 82 publications

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“…The partially deacetylated chitin is water-soluble ( Muzzarelli et al, 1999 ; Ying et al, 2011 ). The lowest possible degree of deacetylation in chitin can be less than 10 % with molecular weight as high as 1–2.5 × 10 6 Da and parallel to a degree of polymerization of approximately 5000–10000 monomeric residues ( Chawla et al, 2015 ). Chitosan is the most important derivative obtained by N-deacetylation of chitin with hot alkali ( Fig.…”

Section: Chitosanmentioning

confidence: 99%

“…The degree of deacetylation of chitosan ranges from 40 % to 98 % with its molecular weight ranging between 5 × 10 4 Da and 2 × 10 6 Da ( Fig. 1 ) ( Antonino et al, 2017 ; Chawla et al, 2015 ; Hejazi & Amiji, 2003 ; Mourya & Inamdar, 2008 ). Deacetylation of chitin provides chitosan with free amino functional groups that are readily protonated to induce polymer solubilisation or chemically reacted and grafted to produce new chitosan derivatives with specific physicochemical and biological properties ( Table 1 ).…”

Section: Chitosanmentioning

confidence: 99%

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A review on chitosan and its development as pulmonary particulate anti-infective and anti-cancer drug carriers

Rasul

Muniandy

Zakaria

et al. 2020

Carbohydrate Polymers

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Section: Chitosanmentioning

confidence: 99%

Section: Chitosanmentioning

confidence: 99%

A review on chitosan and its development as pulmonary particulate anti-infective and anti-cancer drug carriers

Rasul

Muniandy

Zakaria

et al. 2020

Carbohydrate Polymers

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“…As a natural and renewable resource, chitosan has many applications in fields such as medicine, agriculture and environmental protection due to its properties such as biocompatibility and biodegradability [ 33 , 34 ]. The applications of chitosan in different fields are correlated with the physiochemical and biological properties it offers [ 2 , 9 , 35 ].…”

Section: Chitosanmentioning

confidence: 99%

“…Degree of deacetylation is also an important index to evaluate the physical, chemical and biological properties of chitosan, such as degradation and cell response [ 35 , 36 ]. The degree of deacetylation of chitosan is determined by the reaction between the polymer and concentrated sodium or potassium hydroxide solutions.…”

Section: Chitosanmentioning

confidence: 99%

Preparation, Bioactivities and Applications in Food Industry of Chitosan-Based Maillard Products: A Review

et al. 2020

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Chitosan, a biopolymer possessing numerous interesting bioactivities and excellent technological properties, has received great attention from scientists in different fields including the food industry, pharmacy, medicine, and environmental fields. A series of recent studies have reported exciting results about improvement of the properties of chitosan using the Maillard reaction. However, there is a lack of a systemic review about the preparation, bioactivities and applications in food industry of chitosan-based Maillard reaction products (CMRPs). The presence of free amino groups in chitosan allows it to acquire some stronger or new functional properties via the Maillard reaction. The present review aims to focus on the current research status of synthesis, optimization and structural identification of CMRPs. The applications of CMRPs in the food industry are also discussed according to their biological and technological properties such as antioxidant, antimicrobial activities and inducing conformational changes of allergens in food. Some promising directions for future research are proposed in this review, aiming to provide theoretical guidance for the further development of chitosan and its derivatives.

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“…In the process of recognizing and understanding its polymeric structure, it led to the discovery of nitrocellulose, synthesis of organo-soluble cellulose acetate and the preparation of Schweizer's reagent (first cellulose solvent). Another area of great interest was nanocellulose, the nanostructure of cellulose has proven to be advantageous because of its applications in a variety of fields [11,12].…”

Section: Overviewmentioning

confidence: 99%

An Update on Overview of Cellulose, Its Structure and Applications

Gupta¹,

Raghunath²,

Prasanna³

et al. 2019

Cellulose

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Cellulose (C 6 H 10 O 5) n is one of the most ubiquitous organic polymers on the planet. It is a significant structural component of the primary cell wall of green plants, various forms of algae and oomycetes. It is a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1 → 4) linked d-glucose units. There are various extraction procedures for cellulose developed by using different processes like oxidation, etherification and esterification which convert the prepared celluloses in to cellulose derivatives. Since it is a non-toxic, biodegradable polymer with high tensile and compressive strength, it has widespread use in various fields such as nanotechnology, pharmaceutical industry, food industry, cosmetics, textile and paper industry, drug-delivery systems in treating cancer and other diseases. Micro-crystalline cellulose in particular is among the most frequently used cellulose derivatives in the food, cosmetics, pharma industry, etc. and is an important excipient due to its binding and tableting properties, characterized by its plasticity and cohesiveness when wet. Bacterial cellulose's high dispensability, tasteless and odourless nature provides it with lot of industrial applications. Currently, about half of the waste produced in India contains about 50% cellulose which can be used productively. This chapter deals with the chemistry of cellulose, its extraction and its properties which help various industries to make the most of it.

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Chitosan

Cited by 24 publications

References 82 publications

A review on chitosan and its development as pulmonary particulate anti-infective and anti-cancer drug carriers

A review on chitosan and its development as pulmonary particulate anti-infective and anti-cancer drug carriers

Preparation, Bioactivities and Applications in Food Industry of Chitosan-Based Maillard Products: A Review

An Update on Overview of Cellulose, Its Structure and Applications

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