Open AccessDevelopment of a technique for psyllium husk mucilage purification with simultaneous microencapsulation of curcumin
Author(s) -
André Álvares Monge Neto,
Rita de Cássia Bergamasco,
Flávio Faria de Moraes,
A. N. Medina,
Rosane Marina Peralta
Publication year - 2017
Publication title -
plos one
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.99
H-Index - 332
ISSN - 1932-6203
DOI - 10.1371/journal.pone.0182948
Subject(s) - curcumin , mucilage , chromatography , husk , chemistry , plantago ovata , polysaccharide , psyllium , thermal stability , dehydration , food science , biochemistry , botany , organic chemistry , dietary fiber , biology
This study focused on evaluating a technique for the psyllium husk mucilage (PHM) purification with simultaneous microencapsulation of curcumin. PHM was extracted with water and purified with ethanol. For the mucilage purification and simultaneous microencapsulation, an ethanolic solution of curcumin was used. After dehydration, the samples were analysed by instrumental techniques and evaluated for thermal stability. The presence of curcumin in the solution did not impair the yield of precipitated polysaccharide. Interactions of the dye and carbohydrates were confirmed by displacement of peaks in FT-IR and FT-Raman spectroscopy. The onset temperature of degradation of microcapsules was superior to that of curcumin. Thermal stability in solution at 90°C also improved. After 300 minutes of heating, the microcapsules had a remnant curcumin content exceeding 70%, while, in standard sample, the remaining curcumin content was 4.46%. Thus, the developed technique was successful on purification of PHM and microencapsulation of curcumin.