期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 110, 期 -, 页码 227-233出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2017.12.044
关键词
Chitosan curcumin conjugates; Microspheres; Anti-inflammatory; Anti-oxidant; Anti-microbial
Curcumin is a diaryl heptanoid of curcuminoids class obtained from Curcuma longa. It possesses various biological activities like anti-inflammatory, hypoglycemic, antioxidant, wound-healing, and antimicrobial activities. Chitosan is a biocompatible, biodegradable and non-toxic natural polymer which enhances the adhesive property of the skin. Chemical conjugation will leads to sustained release action and to enhance the bioavailability. This study aims to synthesis and characterize biocompatible curcumin conjugated chitosan microspheres for bio-medical applications. The Schiff base reaction was carried out for the preparation of curcumin conjugated chitosan by microwave method and it was characterised using FTIR and NMR. Curcumin conjugated chitosan microspheres (CCCMs) were prepared by wet milling solvent evaporation method. SEM analysis showed these CCCMs were 2-5 mu m spherical particles. The antibacterial activities of the prepared CCCMs were studied against Staphylococcus aureus and Escherichia coli, the zone of inhibition was 28 mm and 23 mm respectively. Antioxidant activity of the prepared CCCMs was also studied by DPPH and H2O2 method it showed IC50 esteem value of 216 mu g/ml and 228 mu g/ml and anti-inflammatory activity results showed that CCCMs having IC50 value of 45 mu g/ml The results conclude that the CCCMs having a good antibacterial, antioxidant and anti-inflammatory activities. This, the prepared CCCMs have potential application in preventing skin infections. (C) 2017 Published by Elsevier B.V.
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