M.R. Devi, A.S. Koijam, A. Brockmann, Y. Rajashekar
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Heteropterans: a treasure trove of therapeutic proteins
Heteroptera belongs to a group of highly diversified insect forms ranging from plant feeders, blood-feeders, predators, scavengers, detritivores, and fungivores with terrestrial or aquatic habitats. These insects have been used in entomophagy and entomotherapeutic practices. Edible insects are a source of essential bioactive secondary metabolites and bioactive peptides, having nutraceutical potential to deal with metabolic disorders. Various venomous peptides from heteropterans with therapeutic properties have been reported and are constantly being investigated for various medical conditions. This review enlists heteropteran edible insects and bioactive peptides identified from heteropterans for use as an alternative medicine. The heteropteran categories and feeding habits have been briefly outlined. The role of bioinformatics in putting up a translational aspect of insect venom has been discussed. Further, the possible exploration of therapeutic function-based proteins and peptides and the need for advanced studies using modern bioinformatics tools, and scientific validation processes are also discussed.
期刊介绍:
The Journal of Insects as Food and Feed covers edible insects from harvesting in the wild through to industrial scale production. It publishes contributions to understanding the ecology and biology of edible insects and the factors that determine their abundance, the importance of food insects in people’s livelihoods, the value of ethno-entomological knowledge, and the role of technology transfer to assist people to utilise traditional knowledge to improve the value of insect foods in their lives. The journal aims to cover the whole chain of insect collecting or rearing to marketing edible insect products, including the development of sustainable technology, such as automation processes at affordable costs, detection, identification and mitigating of microbial contaminants, development of protocols for quality control, processing methodologies and how they affect digestibility and nutritional composition of insects, and the potential of insects to transform low value organic wastes into high protein products. At the end of the edible insect food or feed chain, marketing issues, consumer acceptance, regulation and legislation pose new research challenges. Food safety and legislation are intimately related. Consumer attitude is strongly dependent on the perceived safety. Microbial safety, toxicity due to chemical contaminants, and allergies are important issues in safety of insects as food and feed. Innovative contributions that address the multitude of aspects relevant for the utilisation of insects in increasing food and feed quality, safety and security are welcomed.