The Use of Insects as Human Food in Zambia

The Use of Insects as Human Food in Zambia

12 Pages · 2009 · 222 KB ·

acids, essential elements, human food, artificial feed. INTRODUCTION .. Series II, Hewlett, Palo Alto, CA). The amino .. caterpillar in Nigeria, Zaire, Zambia, Zimbabwe and. South Africa . Soy-based formula and infant growth and development: A substrate from poultry manure through the intensive 

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OnLine Journal of Biological Sciences 9 (4): 93104, 2009 ISSN 16084217 © 2009 Science Publications 93 The Use of Insects as Human Food in Zambia AE Ghaly Department of Process Engineering and Applied Scien ce, Faculty of Engineering, Dalhousie University, Halif ax, Nova Scotia, Canada Abstract: Problem statement: The life cycle and culture structure of two commonl y eaten worms in Zambia (Isoberlinia paniculata and Miombo/Mopani) w ere evaluated The worms were grown on an artificial medium to evaluate the potential of prod ucing them on a commercial scale Approach: An interesting characteristic of the worms studied was that they reached their maximum weight and maximum length at the same time Results: The larvae started to decrease in weight soon after reaching their maximum size suggesting that they sh ould be harvested shortly before reaching their maximum length (36 days old) Only 10% mortality wa s observed with the older larvae of the Miombo/Mopani worm A system where eggs are separat ed from adults and hatched in separate chambers would alleviate the danger of losing the p opulation due to microbial infection The high moisture content of the live larvae (605609%) co uld cause handling and storage problems Drying and grinding the larvae would reduce them to easily manageable forms and would improve their marketability as a novel food The results obtained from this study showed the potential of using these insects as a protein source for human consumption They had structured animal protein that contained the essential amino acids, lipids, vitamins, minera ls and energy required for human growth and their nutrition contents are comparable to those of conve ntional foods These worms are harvested from trees in Africa but the industry is facing droughts and overexploitation that has lead to local extinctions in several areas Conclusion/Recommendations: Therefore, further research is required to evaluat e their growth on low substrates and to assess the ef fects of environmental parameters such as temperature, relative humidity, CO 2 and heat production on food consumption and protei n yield and quality This information will aid in the design of an optimal commercial insect production system Appropriate processing and marketing procedures wou ld also insure

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