Journal of Food, Agriculture and Environment

Technological and nutritional quality of cowpea (Vigna unguiculata (L.) Walp.) cultivars infested by Callosobruchus maculatus (Fabr.) (Coleoptera: Bruchidae)

Author(s):

Sabrine Zambiazi da Silva ¹*, Luis Francisco Angeli Alves ², Silvia Renata Machado Coelho ³, Dinéia Tessaro ⁴

Recieved Date: 2014-01-12, Accepted Date: 2014-04-10

Abstract:

From the nutritional point of view, the cowpea is an excellent food offering substances which makes it advantageous to use. However, the loss of quality due to the presence of Callosobruchus maculatus, which is considered the main insect pest of stored beans, can affect the quality of cooking, with changes in flavour and browning of the integument. There is an intense search for these pest resistant cultivars with culinary and nutritional characteristics desirable. In this sense, the study aimed to evaluate the technological and nutritional quality of eight cultivars of cowpea subjected to infestation Callosobruchus maculatus. It was found that the infested grains showed higher levels of protein and iron, which are related to higher consumption of carbohydrate portion of the grains. Moreover, it was observed that the cooking time was not affected by insect pest, for none of the varieties.

Keywords:

Bean weevil, qualitative and quantitative losses, stored grain

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 731-734

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