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Determination of Nutritive Value of the Edible migratory locust Locusta migratoria, Linnaeus, 1758 (Orthoptera: Acrididae)
The study was conducted to determine the nutritional composition of the migratory locust Locusta migratoria (Orthoptera: Acrididae), commonly eaten by people in Sudan, in order to provide basis for using locust as food for humans or feeds for animals. Proximate analyses indicated the presence of (96.19 ± 0.2) dry matter in 100g. Crude protein was (50.42 ± 2 %), crude fat (19.62 ± 0.8 %), carbohydrates (4.78 ± 0.74 %), crude fiber (15.65 ± 1.7 %), ash (6.24 ± 0.5 %) and moisture content was (3.81 ± 0.2 %). Energy content was (490.4 ± 4) calories in 100g of dry product. The ratio of crude fat: crude protein (CF:CP) was 0.39, carbohydrates: crude protein (CH:CP) was 0.09, carbohydrates: crude fat (CH:CF) was 0.24. Minerals content was very low except for phosphorus, which has an average value of (29.6 ± 4.32 ppm), while other minerals have a range of (0.04 to 2.2 ppm). The results indicated high nutritional value of the migratory locust, and could be considered as a good food source for both humans and animals, especially for protein, fat, phosphorus and energy. It is recommended that hygienic practices should be applied in collecting and cooking of these insects and spreading by insecticides should be avoided. More investigation of the nutritive values such amino and fatty acids, vitamins and minerals should be carried out to evaluate the migratory locust.