Nutritional value of cowpea ( Vigna unguiculata L. Walp) meals as ingredients in diets for Pacific white shrimp ( Litopenaeus vannamei Boone)

The nutritional value of cowpea ( Vigna unguiculata L. Walp) meals, as ingredients in diets for Litopenaeus vannamei, was evaluated. Five experimental meals were prepared in the laboratory: whole raw cowpea (WRC), dehulled (DC), cooked (CC), germinated (GC) and extruded (EXC). The crude protein cont...

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Veröffentlicht in:Food chemistry 2006-07, Vol.97 (1), p.41-49
Hauptverfasser: Rivas-Vega, M.E., Goytortúa-Bores, E., Ezquerra-Brauer, J.M., Salazar-García, M.G., Cruz-Suárez, L.E., Nolasco, H., Civera-Cerecedo, R.
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container_end_page 49
container_issue 1
container_start_page 41
container_title Food chemistry
container_volume 97
creator Rivas-Vega, M.E.
Goytortúa-Bores, E.
Ezquerra-Brauer, J.M.
Salazar-García, M.G.
Cruz-Suárez, L.E.
Nolasco, H.
Civera-Cerecedo, R.
description The nutritional value of cowpea ( Vigna unguiculata L. Walp) meals, as ingredients in diets for Litopenaeus vannamei, was evaluated. Five experimental meals were prepared in the laboratory: whole raw cowpea (WRC), dehulled (DC), cooked (CC), germinated (GC) and extruded (EXC). The crude protein content of WRC (26.1%) increased after germination (29.5%). Carbohydrates ranged from 69.4% to 85.9%. The trypsin inhibitor activity of WRC meal was low (7.52 U/mg dry matter), and was reduced or eliminated by cooking and extrusion. Apparent digestibility of dry matter, protein and carbohydrate of the diet containing whole raw cowpea meal (71.1%, 85.9% and 76.7%, respectively) was similar to the control diet. Cooking and extruding of cowpea significantly increased dry matter, protein and carbohydrate digestibility in the diets. The results suggest that cowpea meals are good sources of nutrients and can be used as ingredients in diets for L. vannamei.
doi_str_mv 10.1016/j.foodchem.2005.03.021
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subjects antinutritional factors
Biological and medical sciences
carbohydrate content
cooking
cowpea meal
Cowpea meals
cowpeas
crude protein
Digestibility
dry matter content
extrusion
Feed and pet food industries
feed composition
Feed ingredients
feed processing
Feeding. Feeding behavior
Food industries
Fundamental and applied biological sciences. Psychology
hulling
Litopenaeus vannamei
meals (products)
nutritive value
seed germination
shrimp
shrimp culture
trypsin inhibitors
Vertebrates: anatomy and physiology, studies on body, several organs or systems
Vigna unguiculata
title Nutritional value of cowpea ( Vigna unguiculata L. Walp) meals as ingredients in diets for Pacific white shrimp ( Litopenaeus vannamei Boone)
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