Antioxidant activities of chitosans and its derivatives in in vitro and in vivo studies

M Anraku, JM Gebicki, D Iohara, H Tomida… - Carbohydrate …, 2018 - Elsevier
This review focuses on the in vitro and in vivo antioxidant activities of various chitosan
preparations, including those with different molecular weights and degrees of acetylation …

Antioxidant effects of chitin, chitosan, and their derivatives

DH Ngo, SK Kim - Advances in food and nutrition research, 2014 - Elsevier
Chitin, chitosan, and their derivatives are considered to promote diverse activities, including
antioxidant, antihypertensive, anti-inflammatory, anticoagulant, antitumor and anticancer …

Antioxidant activity of high molecular weight chitosan and N, O-quaternized chitosans

A Wan, Q Xu, Y Sun, H Li - Journal of agricultural and food …, 2013 - ACS Publications
The objective of this study was to evaluate the in vitro antioxidant activity of high molecular
weight chitosan based films. Three kinds of water-soluble quaternized chitosans with high …

Antimicrobial and antioxidant properties of chitosan and its derivatives and their applications: A review

ME Abd El-Hack, MT El-Saadony, ME Shafi… - International Journal of …, 2020 - Elsevier
In this era, there is a global concern in the use of bioactive molecules such as chitosan in the
field of antimicrobial and antioxidant benefits. Because of its biodegradability, biological …

Antioxidant activity of half N-acetylated water-soluble chitosan in vitro

T Feng, Y Du, J Li, Y Wei, P Yao - European Food Research and …, 2007 - Springer
Different molecular weight water-soluble chitosan (half N-acetylated chitosan) was prepared
and the structure of water-soluble chitosan was characterized by FT-IR. The pH dependence …

Antioxidant properties of some different molecular weight chitosans

H Tomida, T Fujii, N Furutani, A Michihara… - Carbohydrate …, 2009 - Elsevier
Chitosan, a cationic polysaccharide, is widely employed as dietary supplement and in
pharmacological and biomedical applications. Although numerous studies have focused on …

Influence of the physico-chemical characteristics of chito-oligosaccharides (COS) on antioxidant activity

M Mengíbar, I Mateos-Aparicio, B Miralles… - Carbohydrate polymers, 2013 - Elsevier
Chito-oligosaccharides (COS) are being used as important functional materials for many
applications due to their bioactivities. The aim of this research has been to assess the …

Relevance of molecular weight of chitosan and its derivatives and their antioxidant activities in vitro

R Xing, S Liu, Z Guo, H Yu, P Wang, C Li, Z Li… - Bioorganic & medicinal …, 2005 - Elsevier
The antioxidant potency of different molecular weight (DMW) chitosan and sulfated chitosan
derivatives was investigated employing various established in vitro systems, such as …

Antioxidant properties of high molecular weight dietary chitosan in vitro and in vivo

M Anraku, T Fujii, Y Kondo, E Kojima, T Hata… - Carbohydrate …, 2011 - Elsevier
The effect of high molecular weight chitosan supplement (HMCS), a natural polymer derived
from chitin, on indices of oxidative stress was investigated in normal volunteers. The use of …

Antioxidant activity of differently regioselective chitosan sulfates in vitro

R Xing, H Yu, S Liu, W Zhang, Q Zhang, Z Li… - Bioorganic & medicinal …, 2005 - Elsevier
Differently regioselective chitosan sulfates were prepared according to Hanno Baumann's
methods. Their antioxidant potencies were investigated employing various established in …