Amaranth starch-rich fraction properties modified by extrusion and fluidized bed heating

Today amaranth is a promising food source yet its technological properties are not well known. The modification of some properties of an amaranth starch-rich fraction by a controlled heating is studied. This fraction was obtained by the differential milling of Amaranthus cruentus grains. Tests were...

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Autor principal: González, R.
Otros Autores: Carrara, C., Tosi, E., Añón, M.C, Pilosof, A.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2007
Acceso en línea:Registro en Scopus
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100 1 |a González, R. 
245 1 0 |a Amaranth starch-rich fraction properties modified by extrusion and fluidized bed heating 
260 |c 2007 
270 1 0 |m Tosi, E.; Centro de Investigación y Desarrollo en Tecnología de Alimentos (CIDTA), Facultad Regional Rosario, Universidad Tecnológica Nacional, Zeballos 1341, Rosario, S2000BQA, Argentina; email: tosienzo@ciudad.com.ar 
506 |2 openaire  |e Política editorial 
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504 |a Holm, J., Björck, I., Eliasson, A.C., Effects of thermal processing of wheat on starch. I. Physico-chemical and functional properties (1988) Journal of Cereal Science, 8, pp. 249-260 
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504 |a Jenkins, D.J.A., Vuksan, V., Kendall, C.W.C., Würsch, P., Jeffcoat, R., Waring, S., Physiological effects of resistant starches on fecal bulk, short chain fatty acids, blood lipids and glycemic index (1998) Journal of the American College of Nutrition, 17 (6), pp. 609-616 
504 |a Koeppe, S.J., Harris, P.L., Hanna, M.A., Rupnow, J.H., Walker, C.E., Cuppet, S.L., Physical properties and some nutritional characteristic and extrusion product with defatted amaranth seeds and defatted maize gluten meal (80:20 ratio) (1987) Cereal Chemistry, 64, pp. 332-336 
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504 |a Lehman, J.W., Case history of Amaranth grains as an alternative crop (1996) Cereal Foods World, 41 (5), pp. 399-411 
504 |a López, G., Ros, M., Periago, C., Rincón, F., Métodos de determinación de la fibra dietética. Aspectos críticos (1994) Revista Española de Ciencia y Tecnología de Alimentos, 33, pp. 241-254 
504 |a Mason, W.R., Hoseney, R.C., Factors affecting the viscosity of extruded cooked wheat starch (1986) Cereal Chemistry, 63, pp. 436-441 
504 |a Mendoza, C., Bressani, R., Nutritional and functional characteristic of extrusion cooked amaranth flour (1987) Cereal Chemistry, 64, pp. 218-223 
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504 |a Tosi, E., Ré, E., Cazzoli, A., Masciarelli, R., Essicamiento del grano sul letto fluidizado (1982) Técnica Molitoria, 1, pp. 3-16 
504 |a Tosi, E., Ré, E., Ciappini, M.C., Masciarelli, R., Aplicación de la técnica de lecho fluidizado a la producción de rosetas de amaranto (1996) Alimentaria, 269, pp. 45-47 
504 |a Tosi, E., Ré, E., Lucero, H., Masciarelli, R., Amaranth (Amaranthus spp.) grain conditioning to obtain hyperproteic flour by differential milling (2000) Food Science and Technology International, 5, pp. 60-63 
520 3 |a Today amaranth is a promising food source yet its technological properties are not well known. The modification of some properties of an amaranth starch-rich fraction by a controlled heating is studied. This fraction was obtained by the differential milling of Amaranthus cruentus grains. Tests were performed by both fluidized bed and extrusion heating, according to a factorial experimental design of two variables: temperature and moisture, at three levels 150-170-200 °C and 120-160-200 g/kg wb, respectively. Effects were evaluated by the ANOVA method. As responses, solubility and water absorption, amylographic and dynamic rheological properties, crystallinity, granular integrity and resistant starch content were evaluated. Flours obtained from samples heated by fluidized bed gave aqueous dispersions with high consistencies when cooked, and they had low solubility in water and preserved part of the starch crystalline structure. Flours obtained from extrusion-heated samples gave very high solubility in water but had lower consistency of the aqueous dispersions when cooked, and they showed a complete loss of the crystalline and granular structure. By applying each of the two heating processes, it was possible to modify, according to selected targets, the amaranth starch-rich fraction, what would allow to obtain pre-cooked amaranth flours with a wide range of hydration and rheological properties. © 2005 Swiss Society of Food Science and Technology.  |l eng 
593 |a Instituto de Tecnología de Alimentos, Facultad de Ingeniería Química, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe, Argentina 
593 |a Centro de Investigación y Desarrollo en Tecnología de Alimentos (CIDTA), Facultad Regional Rosario, Universidad Tecnológica Nacional, Zeballos 1341, Rosario, S2000BQA, Argentina 
593 |a Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), Universidad Nacional de La Plata, CONICET, Calle 47 y, 116 La Plata, Prov. Buenos Aires, Argentina 
593 |a Departamento Industrias, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina 
690 1 0 |a AMARANTH 
690 1 0 |a EXTRUSION 
690 1 0 |a FLUIDIZED BED 
690 1 0 |a HEATING 
690 1 0 |a STARCH 
690 1 0 |a DISPERSIONS 
690 1 0 |a EXTRUSION 
690 1 0 |a FLUIDIZED BEDS 
690 1 0 |a HEATING 
690 1 0 |a HYDRATION 
690 1 0 |a MOISTURE 
690 1 0 |a PLANTS (BOTANY) 
690 1 0 |a RHEOLOGY 
690 1 0 |a SOLUBILITY 
690 1 0 |a STARCH 
690 1 0 |a WATER ABSORPTION 
690 1 0 |a AMARANTH 
690 1 0 |a CRUENTUS GRAINS 
690 1 0 |a EXTRUSION HEATING 
690 1 0 |a FOOD PRODUCTS 
690 1 0 |a AMARANTHUS 
690 1 0 |a AMARANTHUS CAUDATUS 
690 1 0 |a AMARANTHUS CRUENTUS 
700 1 |a Carrara, C. 
700 1 |a Tosi, E. 
700 1 |a Añón, M.C. 
700 1 |a Pilosof, A. 
773 0 |d 2007  |g v. 40  |h pp. 136-143  |k n. 1  |p LWT - Food Sci. Technol.  |x 00236438  |w (AR-BaUEN)CENRE-292  |t LWT - Food Science and Technology 
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