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Revista mexicana de ingeniería química
versión impresa ISSN 1665-2738
Resumen
PULIDO, A. y BERISTAIN, C.I.. Spray dried encapsulation of ascorbic acid using chitosan as wall material. Rev. Mex. Ing. Quím [online]. 2010, vol.9, n.2, pp.189-195. ISSN 1665-2738.
A solution of chitosan, ascorbic acid and tripolyphosphate was prepared and dried by spray drying to obtain microcapsules of ascorbic acid. A study of stability was made storing at 35°C and different water activities (from 0.108 to 0.743) during 60 days. The yield of microencapsulation was 78 %. The best morphology and the less degradation for microcapsules was 6.4 % at water activity of 0.108 and 35°C for 60 days of storage.
Palabras llave : stability; ascorbic acid; microencapsulation; chitosan.