Encapsulation And Release Characteristics Of Marigold Oleoresin In Chitosan Grafted Sodium Acrylate-acrylate-co-acrylamide
Shruthi. S. B1, Pratik Roy1, R. R. N. Sailaja1*, Chandan Sengupta2
1The Energy and Resources Institute (TERI), SRC, Bangalore 560071, India
2Department of Botany, University of Kalyani, Kalyani 741235, India
Adv. Mater. Lett., 2016, 7 (10), pp 795-801
DOI: 10.5185/amlett.2016.6342
Publication Date (Web): Aug 01, 2016
Copyright © 2019 VBRI Press
E-mail:sailaja.bhattacharya@gmail.com
Marigold oleoresin has been widely used in the pharmaceutical industry because of its medicinal properties. In this study, marigold oleoresin was encapsulated in chitosan grafted sodium acrylate-co-acrylamide. Emulsification process was used to prepare the beads containing marigold oleoresin and the grafted polymer was characterized using FTIR, SEM and TGA. The properties of the beads such as size, swelling characteristics, encapsulation efficiency and release kinetics were studied. The bead size was in the range of 0.46 to 1.05 mm. The antimicrobial activity and cyto-compatibility studies of marigold oleoresin were also conducted. The marigold oleoresin beads showed zero order release kinetics.
Encapsulation, swelling characteristics, release kinetics, antimicrobial activity, cyto-compatibility.
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