PDF Social Life in the Insect World (TREDITION CLASSICS)

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In addition, people in some areas of Thailand collect young wasp nests and protect them until they are ready to eat. Weaver ants construct nests by weaving leaves together using larval silk. Domestication of edible insects is relatively simple and economical, although nowadays only three species are considered fully domesticated: bees, silkworms, and cochineals; several other species are partly domesticated.

House crickets and yellow mealworms are the most widely farmed insects in the world due to their commercial success; however, they are mostly sold as pet food Gahukar, The most commonly farmed insect is T. In Thailand, cricket farming was introduced in , and crickets are currently sold directly to consumers and to other farmers at local and urban markets. Some producers are grouped in cooperatives and are recognized as important contributors to the rural economy and employment.

The high biodiversity and relative abundance of species play a key role in determining patterns of consumption, more so than agriculture and farming factors Lesnik, Cooking improves sensory quality through the formation of aromatic compounds as well as changes in color and texture. Protein denaturation, amino acid destruction or modification, and Maillard reactions may also occur. In Latin America, Mexico is the country with the strongest tradition of eating insects. They are collected from the start of the rainy season in late spring until early winter. When the insects are boiled, the water used can be acidified with lemon juice or vinegar, and flavoring ingredients, such as garlic and onion, may be added.

After toasting, when the insects are still hot, lemon, salt, and chili are usually added. During boiling, the insects turn a reddish color and aromatic compounds form. In Oaxaca, before blanching, the insects are fasted for 1 to 3 days food to avoid the generation of bitter tastes. Similar recipes use worms as an ingredient, such as the maguey worm Aegiale hesperiaris and Hypopta agavis and yellow mealworm Tenebrio molitor. However, little information is available on the safety and global quality aspects of traditional cooking practices in Mexico.

Thus, for the Awajun, an Amazonian indigenous people of Peru, beetles are the most culturally important edible insects, followed by ants, wasps, and flies. In that region, consumption of insects is tied to dietary needs, cultural considerations, and insect availability. Insects are both harvested from the wild and farmed, and they are also used as animal feed for fish and poultry Yen, The most popular insects are grasshoppers, silkworm pupae, wasps, bamboo insects, and stink bugs. Some insects are used in traditional medicine for their health benefits, some of which have been scientifically proven.

In recent years, insect menus and cookbooks have been published in South Asia to teach consumers how to cook insects.

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Thailand is an example of a country with an important tradition of insect consumption that is becoming more westernized Yen, However, consumption is regional. Entomophagy is practiced on a large scale by the tribal communities of northeastern India. Termites, honey bees, grasshoppers, stink bugs, aquatic insects, and silkworms are cooked, roasted, pickled, or even consumed raw. Most of the traditional dishes are prepared by adding fresh or dried bamboo shoots. Crickets are mixed with salt before cooking, and certain species like Oecophylla smaragdina Fabr. They are cleaned with the removal, in some cases, of certain parts, such as wings and legs , and then roasted or boiled.

Insects are also consumed fresh and raw.

The edible caterpillar Imbrasia epimethea , consumed in Angola, is collected and washed in water. The guts are removed to avoid aftertastes and long hairs are removed to avoid toxicity. They are fried before eating.

Diagnostic information:

In Tanzania, the grasshopper Ruspolia differens is eaten fresh or processed. Before being consumed, insects are smoked, toasted, or fried. In Western countries, there is no tradition of cooking insects, which significantly limits their culinary use. Hence, edible insects are promoted as a snack and, like nuts, can be covered with chocolate, mixed into baked goods or sprinkled on salads. Mildly processed, fried, roasted, or finely ground, they are used to add a unique flavor to foods or to increase their nutritional profile. In recent years, insect cookbooks, TV shows, food fairs, and expositions have attempted to normalize entomophagy, in contrast to previous strategies that were based on promoting the novelty of the products Shelomi, Finally, agricultural best management practices as well as good hygiene habits need to be established and employed by edible insect farmers in all countries to prevent food safety issues.

Under this scenario, it is necessary to review the main technologies used.

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Although the number of existing processes in the edible food industry is enormous and varies depending on the species used and the final product to be developed, most of them can be grouped into a relatively small number of operations with the same basic principles, focusing essentially on similar purposes Earle, These are listed below. It is used as a pretreatment for most commercialized edible insects, at both the industrial and artisanal scales, to reduce microbial counts and to inactivate degradative enzymes responsible for food spoilage and poisoning. This effect could be due to the absorption and entrapment of water inside the larva of T.

During the boiling process, some proteins undergo structural changes, including denaturation, crosslinking, and interaction with lipids and carbohydrates.

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  6. Food color is of major importance for consumer acceptability but it has been poorly analyzed in edible insects. Color parameters have been studied in T. Therefore, a higher moisture value in blanched samples may have altered the luminosity, making the samples appear darker. Blanching treatments should be specifically designed for each insect species to improve antimicrobial effects with minimal quality loss.

    However, to meet the requirements of consumers and industrial processing, it is essential for these treatments to maintain the nutritional value of the products and other important quality attributes, such as texture and color. Drying can reduce the total water content and, therefore, its availability for degradative reactions, including enzymatic reactions and reactions initiated by spoilage microorganisms. Microbial growth depends directly on water activity aw.

    However, regardless of the blanching and drying treatments applied to insects, they should be reheated before consumption to eliminate residual microorganisms.

    The insect is considered dehydrated on the basis of appearance alone. Smoking is a curing and thermal process.



    It is considered one of the most traditional techniques used for the preservation of all types of meat. The raw product is exposed to smoke produced by pyrolysis of wood. For insects, smoking is done in a dry environment and a curing process is performed simultaneously with drying. However, in products with high fat content, lipid oxidation could be promoted, as seen in T.

    When T. The suitability of microwave drying has been tested in T. Fresh and blanched larvae were dried with minor changes in protein, fat, and ash contents observed in the larvae. The authors concluded that all the drying techniques caused minor changes in protein, fat, and fiber contents. During drying, the most visible quality change relates to color.

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    In the case of I. During smoking, changes in both protein and lipids may occur. Organic compounds can also be modified.

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    Protein solubility increased in T. The application of different drying technologies affects some quality parameters beyond the obvious reduction in water. Protein functional properties, lipid oxidation, and color could be modified by the drying technology chosen and by the technological conditions applied. Therefore, the choice of drying technology should take in account the intended use of the insect and the form in which it will be consumed whole, powdered ingredient, or sole ingredient.

    Protein extraction can be carried out using water, organic solvents, and enzymes to facilitate industrial processes. The protein extraction yield in Acheta domesticus was compared using hexane and water in different ratios.