期刊
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
卷 26, 期 1-2, 页码 81-88出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2012.01.005
关键词
Vigna unguiculata; Cowpea; Proteins; Dietary fiber; Vitamins; Antioxidant capacity; Conventional genetic breeding; Unintentional effects; Food composition; Biodiversity
资金
- Ministerio da Saude through Departamento de Ciencia e Tecnologia (DECIT) [090.999.98-3]
- Ministerio da Saude through Secretaria de Ciencia, Tecnologia e Insumos Estrategicos (SCTIE) [090.999.98-3]
- Ministerio da Saude through Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [090.999.98-3]
- Ministerio da Saude through Fundacao de Amparo a Pesquisa do Estado do Ceara (FUNCAP) [090.999.98-3]
This study aimed to establish a nutritional ranking of 30 genotypes of cowpea (Vigna unguiculata L Walp). The results showed the proximate composition vanes among genotypes in protein (20-30%) and dietary fiber contents (20-35%), in protease inhibitors (2-4 UI/mu g protein), lectin (40,000-640,000 UH/kg meal) and essential amino acid levels, in vitro protein digestibility (30-40%) and in the apparent concentration of expressed proteins. The antioxidant capacity varied from EC50 of 9.54-38.7 mg seed extract/mL DPPH and the highest values detected for alpha- and delta-tocopherol were 0.38 mg/g and 1.88 mg/g, respectively. The analysis of a nutritional quality index based on the weighted average content of total protein, dietary fiber, iron, zinc, protease inhibitors and lectins allowed ranking genotypes. In descending order the 5 best genotypes were: BRS-Cauarne > BRS-Tumucumaque > Canapuzinho > BRS-Potengi > BRS-Urubuquara. (C) 2012 Elsevier Inc. All rights reserved.
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