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Int. J. Mol. Sci. 2011, 12(4), 2174-2186; doi:10.3390/ijms12042174

Fiber Concentrate from Orange (Citrus sinensis L.) Bagase: Characterization and Application as Bakery Product Ingredient

Centro de Desarrollo de Productos Bióticos del IPN, Km 8.5 carr. Yautepec-Jojutla, Colonia San Isidro, Apartado postal 24, 62731 Yautepec, Morelos, Mexico
Instituto de Biología Experimental, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela and Functional Food Science Centre, Lund University. P.O. Box 124, 221 00 Lund, Sweden
Departamento de Ingeniería Bioquímica, Instituto Tecnológico de Celaya, Av. Tecnológico y A. García Cubas S/N, Apartado postal 57, 38010 Celaya, Guanajuato, Mexico
Author to whom correspondence should be addressed.
Received: 22 February 2011 / Revised: 12 March 2011 / Accepted: 15 March 2011 / Published: 29 March 2011
(This article belongs to the Special Issue Dietary Fibre: Biochemistry and Nutritional Science)
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Orange is a tropical fruit used in the juice industry, yielding important quantities of by products. The objective of this work was to obtain a dietary fiber-rich orange bagasse product (DFROBP), evaluate its chemical composition and its use in the preparation of a bakery product (muffin). Muffins containing two different levels of DFROBP were studied regarding chemical composition, in vitro starch digestibility, predicted glyceamic index and acceptability in a sensory test. DFROBP showed low fat and high dietary fiber contents. The soluble and insoluble dietary fiber fractions were balanced, which is of importance for the health beneficial effects of fiber sources. DFROBP-containing muffins showed the same rapidly digestible starch content as the reference muffin, whilst the slowly digestible starch level increased with the addition of DFROBP. However, the resistant starch content decreased when DFROBP increased in the muffin. The addition of DFROBP to muffin decreased the predicted glyceamic index, but no difference was found between the muffins prepared with the two DFROBP levels. The sensory score did not show difference between control muffin and that added with 10% of DFROBP. The addition of DFROBP to bakery products can be an alternative for people requiring low glyceamic response.
Keywords: dietary fiber; orange; indigestible fraction; starch digestibility; muffin dietary fiber; orange; indigestible fraction; starch digestibility; muffin
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Romero-Lopez, M.R.; Osorio-Diaz, P.; Bello-Perez, L.A.; Tovar, J.; Bernardino-Nicanor, A. Fiber Concentrate from Orange (Citrus sinensis L.) Bagase: Characterization and Application as Bakery Product Ingredient. Int. J. Mol. Sci. 2011, 12, 2174-2186.

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