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PHYSICOCHEMICAL CHARACTERIZATION OF NATURAL AND ACETYLATED THERMOPLASTIC CASSAVA STARCH

Thermoplastic starch (TPS) was obtained from natural and acetylated cassava starch using a twin screw extruder and then conditioned at 25 ºC and 54 % of relative humidity. It was found that the crystallinity index, calculated as the ratio of the IR peaks at 1047 (crystalline phase) and 1022 cm-1 (am...

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Bibliografske podrobnosti
izdano v:Dyna
Main Authors: JOSE MINA, ALEX VALADEZ-GONZÁLEZ, PEDRO HERRERA-FRANCO, FABIO ZULUAGA, SILVIO DELVASTO
Format: Artigo
Jezik:Inglês
Izdano: Universidad Nacional de Colombia 2011
Teme:
Online dostop:https://www.redalyc.org/articulo.oa?id=49622365020
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