Author(s)

Maribel Ovando-Martínez, Salvador Horacio Guzmán-Maldonado, Senay Simsek, Luis Arturo Bello-Pérez, Perla Osorio-Díaz

CEPROBI, Instituto Politécnico Nacional, Yautepec, México.
CEPROBI, Instituto Politécnico Nacional, Yautepec, México; Department of Plant Sciences, North Dakota State University, Fargo, USA.
Department of Plant Sciences, North Dakota State University, Fargo, USA.
Unidad de Biotecnología del Campo Experimental Bajío, INIFAP, Celaya, México.

Beans are rich in dietary fiber and polyphenols; however, growing conditions may affect the occurrence of these components. The effect of irrigation and rain fed conditions on dietary fiber, indigestible fraction, polyphenols and antioxidant capacity of Black 8025 and Pinto Durango bean cultivars grown in Mexico have been determined. Total dietary fiber decreased in beans grown under rain fed conditions compared to those grown under irrigation. The water regimes had an effect on the total indigestible fraction for Black 8025 bean. The extractable polyphenols were affected by the water regimes, while the antioxidant capacity of extractable and non-extractable polyphenols was dependent on the bean variety. Cooking the beans altered the extractable and non-extractable polyphenols and the antioxidant capacity. Also, the antioxidant properties and some extend, the digestibility of non-digestible carbohydrates of beans were affected by water regimes. This information could be taken into account for dry bean breeding programs to improve the nutritional quality of beans.

Water Regimes; Dietary Fiber; Indigestible Fraction; Polyphenols; Antioxidant Capacity; Cooking

Ovando-Martínez, M. , Guzmán-Maldonado, S. , Simsek, S. , Bello-Pérez, L. and Osorio-Díaz, P. (2014) Effect of Water Regimes on Dietary Fiber, Polyphenols and Antioxidant Capacity of Black and Pinto Beans. Agricultural Sciences, 5, 342-352. doi: 10.4236/as.2014.54036.