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Arch. latinoam. nutr ; 58(3): 309-315, sept. 2008. tab
Article in Spanish | LILACS | ID: lil-588726

ABSTRACT

Los frutos maduros de tres especies de algarroba procedentes de Bolivia (Prosopis chilensis (Molina) Stunz, P. alba Grisebach y P. nigra (Grisebach) Hieronymus) y una de Brasil (P.juliflora (SW) DC) fueron estudiadas para determinar algunos factores nutricionales y antinutricionales. P. nigra presentó los niveles mas elevados de proteína bruta (11,33 g/100g materia seca-MS), cenizas (4,12 g /100g MS) y P. juliflora los menores niveles de lípidos (0,79 g /100g MS), proteína bruta (8,84g / 100g MS), fibra alimentaria (40,15 g/100g MS), el nivel más elevado de azúcares no reductores (52,51 g/100g MS) y la mayor digestibilidad* proteica in vitro (66,45 por ciento). La cantidad de inhibidor de tripsina (0,29 a 9,32 UTI / mg MS) fue inferior al de la soya cruda, en la cual la P. juliflora se destacó. Con relación a la saponina, hemaglutinina y polifenoles, los niveles encontrados son considerados bajos. Los niveles encontrados de nitrato son más elevados que los reportados en arvejas y frijoles, siendo la P. chilensis la que presentó el mayor valor (2,92g NO3- /kg MS). Los niveles de fitatos en las muestras variaron de 1,31 a 1,53 g/100 g MS.


The mature fruits of three species of algarroba found in Bolivia (Prosopis chilensis (Molina) Stunz, P. alba Grisebach y P. nigra (Grisebach) Hieronymus) and of one of Brazil (P. juliflora (SW) DC) were analysed for some nutritional and antinutritional factors. P. nigra showed the highest levels of crude protein (11.33 g/100g dry matter-DM) and ashes (4,12 g/100g DM). P. juliflora presented the lowest levels of lipids (0.79 g/100 g DM), crude protein (8.84 g/100 g DM) and dietary fiber (40.15 g/100g DM), and the highest levels of non reducing sugar (52.51 g/100 g DM) and in vitro protein digestibility (66.45 percent). Trypsin inhibitors concentration (0.29 to 9.32 UTI / mg DM) was inferior to that of raw soy; P. juliflora presented the higher values. Regarding saponin, hemagglutinin and poliphenol values, the levels found are considered low. As for nitrates, the levels found were higher than those reported for peas and beans, with P. chilensis presenting the highest value (2.92 g NO3-/kg DM). The levels of phytate varied from 1.31 a 1.53 g/100 g.


Subject(s)
Eutrophication , Fruit/chemistry , Flour/analysis , Prosopis/chemistry , Food Analysis
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