RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS
Rheological modeling of cassava flours and starches during an extrusion process was made in order to predict the effect of shear rate, temperature and water contents on viscosity. Experimentation was made on a high pressure twin bore capillary rheometer (Rosand RH-7) and viscosity data were adjusted...
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Universidad de Antioquia
2009
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oai:doaj.org-article:0f87104f950842569554cb2ff52d4f8f2021-11-19T04:21:51ZRHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS0121-40042145-2660https://doaj.org/article/0f87104f950842569554cb2ff52d4f8f2009-02-01T00:00:00Zhttps://revistas.udea.edu.co/index.php/vitae/article/view/563https://doaj.org/toc/0121-4004https://doaj.org/toc/2145-2660Rheological modeling of cassava flours and starches during an extrusion process was made in order to predict the effect of shear rate, temperature and water contents on viscosity. Experimentation was made on a high pressure twin bore capillary rheometer (Rosand RH-7) and viscosity data were adjusted to the Harper rheological model. All materials presented a characteristic shear thinning behaviour, but starch viscosity was more sensitive to changes of the processing conditions such as temperature and water contents, whereas flour viscosity was influenced by fiber and protein which interfered with starch gelatinization. Angélica P. SANDOVAL A.Imad FARHATAlejandro FERNÁNDEZ Q.Universidad de AntioquiaarticleRheological modelingshear viscosityextrusionyuccaflourstarch.Food processing and manufactureTP368-456Pharmaceutical industryHD9665-9675ENVitae, Vol 14, Iss 1 (2009) |
institution |
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collection |
DOAJ |
language |
EN |
topic |
Rheological modeling shear viscosity extrusion yucca flour starch. Food processing and manufacture TP368-456 Pharmaceutical industry HD9665-9675 |
spellingShingle |
Rheological modeling shear viscosity extrusion yucca flour starch. Food processing and manufacture TP368-456 Pharmaceutical industry HD9665-9675 Angélica P. SANDOVAL A. Imad FARHAT Alejandro FERNÁNDEZ Q. RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS |
description |
Rheological modeling of cassava flours and starches during an extrusion process was made in order to
predict the effect of shear rate, temperature and water contents on viscosity. Experimentation was made
on a high pressure twin bore capillary rheometer (Rosand RH-7) and viscosity data were adjusted to
the Harper rheological model. All materials presented a characteristic shear thinning behaviour, but
starch viscosity was more sensitive to changes of the processing conditions such as temperature and
water contents, whereas flour viscosity was influenced by fiber and protein which interfered with starch
gelatinization.
|
format |
article |
author |
Angélica P. SANDOVAL A. Imad FARHAT Alejandro FERNÁNDEZ Q. |
author_facet |
Angélica P. SANDOVAL A. Imad FARHAT Alejandro FERNÁNDEZ Q. |
author_sort |
Angélica P. SANDOVAL A. |
title |
RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS |
title_short |
RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS |
title_full |
RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS |
title_fullStr |
RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS |
title_full_unstemmed |
RHEOLOGICAL MODELING OF CASSAVA (<I>Manihot esculenta</> CRANZ) STARCHES AND FLOURS DURING EXTRUSION PROCESS |
title_sort |
rheological modeling of cassava (<i>manihot esculenta</> cranz) starches and flours during extrusion process |
publisher |
Universidad de Antioquia |
publishDate |
2009 |
url |
https://doaj.org/article/0f87104f950842569554cb2ff52d4f8f |
work_keys_str_mv |
AT angelicapsandovala rheologicalmodelingofcassavaimanihotesculentacranzstarchesandfloursduringextrusionprocess AT imadfarhat rheologicalmodelingofcassavaimanihotesculentacranzstarchesandfloursduringextrusionprocess AT alejandrofernandezq rheologicalmodelingofcassavaimanihotesculentacranzstarchesandfloursduringextrusionprocess |
_version_ |
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