Environmental variables affect the hard-to-cook phenomenon of cowpea (Vigna unguiculata) seed |
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Authors: | Arogba SS Abu JD |
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Institution: | (1) Department of Food Science & Technology, The Federal Polytechnic, P.M.B. 1037, Idah, Kogi State, Nigeria |
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Abstract: | Changes in moisture content and cooking rate of cowpea (Vigna unguiculata) seeds which were sun-dried for 5 hours on cement, wood, or corrugated iron sheet surfaces and packaged for 6 months in jute or polythene bags were studied. Relationships and effects of interacting variables studied were examined using the contrast analysis technique. From day zero to about 2 months of storage, the sun-dried samples had significantly (p<0.01) lower moisture content and longer cooking times than the corresponding control samples. However, moisture-gain and cooking time increased progressively throughout the storage period for all samples studied. The relationship between these two variables, tested at p=0.01 using contrast analysis technique, was dependent on the choice of packaging material. |
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Keywords: | Cookability Cowpea Legume Moisture Packaging Sun-drying |
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