Dante Carrillo
Insects are a food source for over 2 billion people worldwide, a practice known as entomophagy. Insects are also food for other insects, and some exhibit carnivorous behaviours, feeding on other insects, spiders, and small amphibians. Herbivorous insects, such as caterpillars and grasshoppers, feed on plants and fruits. Insects are a good source of nutrition for humans, offering protein, minerals, and fats. They are also environmentally friendly to farm, requiring less space, water, and feed than traditional livestock.
| Characteristics | Values |
|---|---|
| Number of edible insect species | Over 2,000 |
| Number of people who eat insects | Over 2 billion |
| Nutritional content | High protein, fat, and mineral content |
| Taste | Wide variety |
| Texture | Can be consumed whole or pulverized |
| Use cases | Dishes, processed food products, protein powder, meat alternative, brewery waste additive |
| Environmental impact | Lower greenhouse gas emissions, less land, water, and feed requirements compared to traditional livestock |
| Allergies | Yes |
| Regulatory status | New regulatory frameworks being introduced by countries |
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What You'll Learn
Insects as a sustainable protein source
Insects are a sustainable protein source with numerous environmental and health benefits. Over 2 billion people worldwide consume insects daily, and more than 2,000 insect species are considered edible. Insects are highly nutritious, offering protein, fats, and essential micronutrients like omega-3, iron, and zinc. They can be consumed whole or pulverized, and even used in processed food products.
The practice of eating insects, known as entomophagy, is particularly common in Asia, Africa, and Latin America, where they are a staple in diets. In Western cultures, however, there is a stigma associated with consuming insects, often considered taboo. Despite this, companies are beginning to introduce insect-based products, such as beer, protein bars, and even insect ice cream.
Insects offer a more sustainable alternative to traditional animal protein sources. They require significantly less feed and produce fewer CO2 emissions. Additionally, they can be reared in small spaces, making them ideal for addressing depleted agricultural lands. Insects can also contribute to reducing food waste by consuming low-value food waste, such as brewery grains and potato peels, and converting them into protein-rich biomass.
The growing global population, expected to reach nearly 10 billion by 2050, will increase the demand for protein, highlighting the need for sustainable protein sources. Insects provide a solution to this impending challenge, offering a nutritious and environmentally friendly option.
While some may find the idea of consuming insects unappealing, the numerous benefits of insects as a protein source cannot be overlooked. Insect farming can alleviate poverty, create jobs, and provide income for rural communities. With their high nutritional value, environmental sustainability, and potential socioeconomic impact, insects are a promising alternative protein source for the future.
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Nutritional value of insects
Insects are a highly nutritious food source, offering a wide range of nutritional benefits. They are a good source of protein, with a content range of 13-77% protein by dry weight, or 20-76% of dry matter, depending on the insect type and development stage. For example, crickets contain 12.9 grams of protein per 100 grams, while beef contains 23.5 grams per 100 grams. Insects can also be a source of fat, with up to 67.25% lipids by dry weight, or 2-50% of dry matter, again depending on various factors. Crickets, for instance, have around one-third the amount of fat as beef, with 5.5 grams of fat per 100 grams.
Insects are also a good source of omega-3 and omega-6 fatty acids, which are essential fatty acids that cannot be synthesized by the human body and must be obtained through diet. They also contain vitamins and minerals, including vitamin B12, iron, zinc, fibre, and antioxidants. The vitamin and mineral content of insects can vary depending on the type and diet of the insect, and some species contain a reasonable amount of minerals such as potassium, sodium, calcium, copper, iron, zinc, manganese, and phosphorus, as well as vitamins A, D, E, K, C, and B group vitamins.
In addition to their nutritional benefits, insects are also a sustainable food source. They require less feed and produce fewer CO2 emissions than conventional animal food sources. They can also be used to address the issue of depleted agricultural lands, as they can be reared in small spaces.
The practice of eating insects, known as entomophagy, is already common, with over 2 billion people consuming insects daily and more than 2,000 insect species considered edible. Insects are commonly consumed whole or pulverized and used in dishes such as burger patties, pasta, or snacks, as well as in products such as protein bars and cricket powder.
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Insects as food worldwide
Insects are a staple in the diets of over 2 billion people worldwide, especially in parts of Asia, Africa, and Latin America. The practice of eating insects is called entomophagy, and it has been around for nearly 7000 years. There are more than 2000 species of edible insects, and they are consumed either whole or in processed forms like burgers, pasta, snacks, and even beer.
Edible insects are rich in protein, fat, and minerals, and they can be a good source of omega-3 and omega-6 fatty acids, iron, and zinc. The nutritional content varies depending on the species, diet, age, and other factors. For example, crickets contain about 12.9 grams of protein and 5.5 grams of fat per 100 grams, while beef contains about 23.5 grams of protein and triple the amount of fat in the same quantity. Insects also offer a wide variety of flavours, with aquatic ones like water boatmen and dragonfly larvae having a fish-like taste, and terrestrial ones like crickets and grasshoppers tasting similar to fish as well.
In addition to being nutritious, insects are also environmentally sustainable. They require less feed, can be used as feed themselves, and produce fewer carbon emissions than traditional livestock. They can be farmed in small spaces and don't need much land, making them an attractive option for addressing food security and sustainability issues.
Despite the benefits, there is still some consumer aversion to eating insects, especially in Western markets like Europe and North America. However, companies are finding ways to incorporate insects into processed foods in non-recognizable forms, such as powders or flour, to increase consumer acceptance. Educational campaigns and communication about the environmental and nutritional benefits of entomophagy can also help people become more open to the idea of eating insects.
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Insects as food in the Western world
The consumption of insects, or entomophagy, is a common practice for at least two billion people globally. Insects are a staple in diets in parts of Asia, Africa, and Latin America. However, the Western world has traditionally been averse to the idea of insects as food, and they are not widely incorporated into Western diets. This aversion is partly due to the "'disgust factor'", as the notion of biting into a bug or chewing on a cricket can be off-putting to many people.
Despite this, there has been a rising interest in insects as food in the Western world since the turn of the millennium. The Food and Agriculture Organization of the United Nations (UN) has advocated for the use of insects in food and feed, and the European Union (EU) supported the first international conference on insects as food in 2014. The environmental and nutritional benefits of insects are well known, and they are considered "green" sources of protein. Insects are highly nutritious, providing protein, fat, and energy, as well as vitamins and minerals such as iron, vitamin A, and zinc. They can also be produced more sustainably than conventional animal food sources, requiring less feed, space, and emitting fewer CO2 emissions.
To cater to the growing interest in insects as food, food and drink companies have started to introduce insect-based products such as beer, protein bars, milk alternatives, and even insect ice cream. Insects are also being used as ingredients in processed food products, such as burger patties, pasta, or snacks, where they may be more acceptable to Western consumers. For example, cricket flour in cookies or cricket powder in brownies may be more palatable to those who are squeamish about eating whole insects.
While the regulatory frameworks for insects as food are still being established in many Western countries, the potential for insects as a sustainable and nutritious food source is gaining recognition. Early exposure, education, reducing the visibility of insect parts, celebrity endorsements, and peer endorsements are some of the marketing strategies that could be employed to increase the acceptance of insects as food in the Western world.
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Insects as food for other insects
Insects are a part of the diet of over 2 billion people worldwide, with more than 2,000 species of insects considered edible. The practice of eating insects is called entomophagy, and it has been around for nearly 7,000 years. Insects are commonly consumed whole or pulverized and used in dishes like burger patties, pasta, snacks, and even insect-based beer and ice cream. They are also used in traditional Chinese medicine.
Insects are a good source of protein, fat, and minerals, and can provide nutritional and environmental benefits. They require less feed, produce fewer CO2 emissions, and can be reared in small spaces compared to conventional animal food sources. Insects can also be used as feed for other insects, such as in the famous fungus-insect complex of Bombyx batryticatus and Beauveria bassiana, a traditional Chinese medicine.
In North America and Europe, insects for human consumption are produced under strict food law and hygiene standards. The European Union considers edible insects to be "novel food," and several insect species are currently under review by the European Food Safety Authority. Similarly, the Singapore Food Agency has approved 16 species of insects for human consumption, subject to food safety requirements.
The consumption of insects as food offers economic advantages as well. Insects can be farmed with low startup capital and feed on a wide range of cheap fodder with efficient energy transmission. This makes them an attractive source of income for farmers.
While insects have long been a staple in diets in parts of Asia, Africa, and Latin America, the idea of eating insects is often met with squeamishness in Western cultures. However, using insects as ingredients, such as cricket flour in cookies, has been shown to increase acceptance among consumers. As the world's population continues to grow and concerns about food security arise, insects may play an increasingly important role as a sustainable and nutritious food source.
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Frequently asked questions
Entomophagy is the practice of eating insects. It is sometimes defined to also include the eating of arthropods other than insects, such as arachnids and myriapods.
Grasshoppers, crickets, mealworms, and beetles are some of the insects that people eat. More than 2,000 insect species are considered edible.
Insects are a good source of protein, fat, and minerals. They are also rich in iron, zinc, copper, and magnesium. In addition, insect farming has a lower environmental impact than traditional livestock farming.
Insects are commonly consumed whole or pulverized and used in dishes such as burger patties, pasta, or snacks. They can also be used as ingredients, such as cricket flour in cookies.
