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Asian Journal of Biological Sciences
Year: 2019  |  Volume: 12  |  Issue: 2  |  Page No.: 284 - 290

Nutrient Composition of African Palm Grub (Rhynchophorus phoenicis) Larvae Harvested from Raphia Palm Trunk in the Niger-delta Swamps of Nigeria

I.C. Okoli, W.B. Olodi, I.P. Ogbuewu, N.O. Aladi and C.G. Okoli    

Abstract: Background and Objective: The world population is estimated to be more than 9 billion by the year 2050 and this will lead to increased demands for animal protein. Hence, there is need to explore other protein food resources such as insects. This study therefore was conducted to determine the nutrient value of the African palm grub (Rhynchophorus phoenicis) in Bayelsa state, Nigeria. Materials and Methods: Palm grubs were collected from Osika bush (OSB), Yenegue bush (YEB) and Obuolo bush (OBB) in the state and thereafter taken to the laboratory for analysis using standard methods. They were analyzed for linear body measurements and nutrient compositions using descriptive statistics. Results: Results of the proximate compositions indicate that palm grub is a rich source of nutrients. Mean magnesium, calcium, sodium and potassium content across locations differed significantly (p<0.05). Additionally, there was significant differences (p<0.05) in zinc and manganese concentrations across the three locations. The palm grub oil was found to be 100% unsaturated, which makes it to remain in its liquid phase at room temperature due to the presence of unsaturated fatty acids, oleic and linoleic acids. Conclusion: The high nutrient content of palm grub is a pointer that palm grub may be employed in ameliorating the problem of protein and micro nutrient deficiency in both humans and animals.

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