English - McKnight Foundation Collaborative Crop Research Program
English - McKnight Foundation Collaborative Crop Research Program
English - McKnight Foundation Collaborative Crop Research Program
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<strong>McKnight</strong> <strong>Foundation</strong> <strong>Collaborative</strong> <strong>Crop</strong>s <strong>Research</strong> Project No: 06-741<br />
Table 4: Mineral content of local cowpea grain and leaves from Iringa and Dodoma<br />
Moisture<br />
(%)<br />
27<br />
Ash<br />
(%)<br />
Ca<br />
(mg/kg)<br />
Zn<br />
(mg/kg)<br />
Fe<br />
(mg/kg)<br />
Local Cowpea grain Dodoma 9.40 3.89 958.14 31.45 28.90<br />
Dehulled cowpeas Dodoma 10.28 4.32 363.78 28.00 25.02<br />
Cowpea Flour Dodoma 7.23 4.25 302.93 28.32 18.03<br />
Fresh Cowpea leaves Dodoma 5.59 6.28 1800.60 35.95 497.03<br />
Dry Cowpea leaves Dodoma 10.15 6.67 525.94 31.27 233.83<br />
Bagia Dodoma 35.35 3.01 893.08 13.67 16.34<br />
Local Cowpea grain Iringa 9.56 3.66 992.43 32.56 27.61<br />
Dehulled cowpeas Iringa 10.33 4.23 359.66 27.90 26.05<br />
Cowpea Flour Iringa 7.18 4.13 310.87 27.99 18.76<br />
Fresh Cowpea leaves Iringa 5.61 7.32 1809.63 36.13 499.52<br />
Dry Cowpea leaves Iringa 8.34 4.82 551.74 32.93 240.05<br />
Bagia Iringa 25.79 2.97 32.58 4.96 5.22<br />
Proximate composition<br />
Proximate analysis showed that the cowpea varieties with the highest crude protein content were<br />
IT97K499-8 (26.12%) IT99K-7212-2-1 (26%) and Tumaini (25.95%) Varieties with lowest iron<br />
included IT00K-1207 (22.01%) and TZA 263 (22.6%). For fats, IT97K499-8 (11.18%), IT99K-7212-2-<br />
1 (10.98%) and Fahari (10.33%) varieties had the highest levels while the lowest included IT97K819-<br />
118 (8.17%) and IT96D-733<br />
(8.34%). Highest fibre was observed in TZA 263 (17.2%) followed by IT97K819-118 (16.1%). The<br />
lowest in fibre were IT97K499-38 (12.34%), IT99K-7212-2-1 (12.53%) and VULI 2 (13.1%). Among<br />
the best new lines with regards to crude protein and fats content were IT97K499-8 and IT99K-7212-2-1.<br />
Table 5: Percent crude protein, fibre and content of 15 varieties of cowpeas<br />
Variety/Food component % DM %CP %CF %EE %NFE<br />
VULI 1 89.25 24.02 13.77 9.12 38.18<br />
IT99K573-1 88.92 23.32 14.51 8.36 38.85<br />
IT97K818-35 88.94 25.35 13.19 9.75 36.55<br />
IT96D-733 88.54 23.44 14.91 8.34 37.68<br />
IT89KD-288 88.93 24.08 14.23 9.11 37.64<br />
IT97K819-118 89.10 23.65 16.10 8.17 37.24<br />
FAHARI 89.29 25.46 13.45 10.33 35.86<br />
TUMAINI 89.13 25.96 13.83 9.89 35.23<br />
IT00K-1207 87.95 22.01 15.66 8.46 37.82<br />
IT97K499-8 88.41 26.12 12.34 11.18 34.70<br />
TZA263 89.21 22.60 17.21 8.86 36.45<br />
VULI 2 89.53 25.64 13.10 10.25 36.53<br />
IT97K499-38 88.93 25.14 13.27 10.13 36.41<br />
B301 90.11 23.75 14.85 8.39 38.85<br />
IT99K-721-2-2-1 89.68 26.00 12.53 10.98 35.89<br />
2009
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