Sensorial and biological evaluation of an extruded product made from corn supplemented with soybean and safflower pastes
2005
Martinez-Flores, H.E. | Cruz, M.C. | Larios, S.A. | Jimenez, G.E. | Figueroa, J.D.C. | Gomez-Aldapa, C.A.
A puffed product was made by extruding corn flour supplemented with soybean and safflower pastes. Mixes with the following proportions of corn flour, soybean and safflower pastes: (i) 89:8:3, (ii) 83:11:6 and (iii) 80:17:3 were extruded. The corn flour, soybean and safflower pastes used had 6.6%, 45.9% and 32.9% protein content respectively. In addition, the soybean paste contained 11.78 units of inhibited trypsin/mg of sample, which means it was appropriate for human consumption. Sensory evaluation of extruded products showed that there were no significant differences in flavour, crunchiness and acceptance in the case of products 1 and 3, when compared with samples made from corn flour alone. Product 2 had lower scores, as it had a bitter taste because of the greater amount of safflower paste used. Biological testing showed that all the products containing soybean and safflower pastes were superior to the 100% corn diet in terms of food conversion, growth rate and weight gain.
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