Physicochemical, Textural, and Nutritional Characterization of Mexican Rice Cultivars

May 2011 , Volume 88, Number 3
Pages  245  - 252 

Carolina E. Chávez-Murillo,1 Ya-Jane Wang,2 Adrian G. Quintero-Gutierrez,1 and Luis A. Bello-Pérez1,3

Centro de Desarrollo de Productos Bióticos del IPN, Apartado postal 24 C.P., 62731, Yautepec, Morelos, México. Department of Food Science, University of Arkansas, 2650 N. Young Ave., Fayetteville, AR 72703. Corresponding author. Phone: +52 735 3942020. Fax: +52 735 3941896. E-mail:

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Accepted January 26, 2011. 

The physicochemical properties, textural properties, and starch digestibility of rice cultivars grown in Mexico were evaluated. Variations existed in grain dimensions, and the rice grains were classified as medium, long, and extra long. Huimanguillo had the highest amylose content (30.4%), and A06, A92, A98, and Champoton presented the lowest amylose content (24.3–25.2%). The protein content was 7.1–11.0% and the lipid level was 0.47–1.22% among these Mexican cultivars. Champoton showed the highest temperature and enthalpy of gelatinization, and this with A98, Culiacan, and Huimanguillo had the highest enthalpy of retrogradation. Cotaxtla had the highest pasting peak, setback, and final viscosity. The texture assessment in cooked rice showed that A06 had the highest hardness, and A96 and A98 had the highest stickiness. There was little difference in the rapidly digestible starch, slowly digestible starch, and resistant starch content of tested Mexican rice cultivars. The differences in the physicochemical properties could be used to determine the end use of these Mexican rice cultivars.

© 2011 AACC International, Inc.

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