PHYSICOCHEMICAL CHARACTERIZATION OF NATURAL AND ACETYLATED THERMOPLASTIC CASSAVA STARCH
Almidón de Yuca natural y acetilado fueron plastifi cados empleando un extrusor de doble husillo y almacenados a 25 °C y 54 % de humedad relativa. El índice de cristalinidad, estimado como el cociente de las bandas de FTIR a 1047 (fase cristalina) y a 1022 cm-1 (fase amorfa) disminuyó en ambos almid...
Main Authors: | JOSE MINA, ALEX VALADEZ-GONZÁLEZ, PEDRO HERRERA-FRANCO, FABIO ZULUAGA, SILVIO DELVASTO |
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Format: | Article |
Language: | English |
Published: |
Universidad Nacional de Colombia
2011-01-01
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Series: | Dyna |
Online Access: | http://www.redalyc.org/articulo.oa?id=49622365020 |
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