Contribution of edible insects to improved food and nutrition security: a review

Faith Matiza Ruzengwe, Shingai P. Nyarugwe, Faith A. Manditsera, Juliet Mubaiwa, Sarah Cottin, Tonderayi M. Matsungo, Prosper Chopera, Viren Ranawana, Alberto Fiore, Lesley Macheka*

*Corresponding author for this work

    Research output: Contribution to journalReview articlepeer-review

    1 Citation (Scopus)

    Abstract

    The consumption of insects “entomophagy” or insect-based foods is increasingly being recognised as an emerging solution to promote diet diversification and address the multiple burden of malnutrition. Although several studies suggest edible insects as valuable nutrient sources, few have evaluated the effects of processing on nutrient bioavailability and bioaccessibility and provided actual evidence on human nutrition. Moreover, there is limited evidence of their actual contribution to improved food and nutrition security. Therefore, the review evaluated existing evidence on human interventions and the effects of processing methods on bioavailability and bioaccessibility of key nutrients since these directly influence food and nutrition security outcomes. Seven human efficacy studies have been conducted to date and these show limited observable effects on nutrition status therefore more research is required. Findings also suggest that the processing method, insect matrix, composition of the food matrix and interaction with other food components can influence nutrient bioavailability and bioaccessibility. Hence, these should be considered during formulation and upscaling for entomophagy and insect-based foods to be viable intervention strategies against malnutrition.

    Original languageEnglish
    Pages (from-to)6257-6269
    Number of pages13
    JournalInternational Journal of Food Science and Technology
    Volume57
    Issue number10
    Early online date20 Jan 2022
    DOIs
    Publication statusPublished - 1 Oct 2022

    Keywords

    • Entomophagy
    • Processing
    • Bioavailability
    • Bioaccessibility
    • Nutrition retention

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