Milly Gaines
A staple diet refers to the most important food or types of basic food regularly eaten by a person, animal, or population group. It constitutes a dominant portion of a standard diet, supplying a large fraction of energy needs and generally forming a significant proportion of the intake of other nutrients. Staple diets vary from place to place and are influenced by factors such as weather patterns, terrain, and cultural preferences. They can include plant-based foods like cereals, roots, and tubers, as well as animal-based products like meat, milk, and eggs.
| Characteristics | Values |
|---|---|
| Definition | The most important food or type of basic food eaten by a person or animal |
| Synonyms | Staple food, food staple |
| Examples | Rice, wheat, maize, millet, barley, oats, rye, meat, milk, eggs, cheese, fish |
| Consumption frequency | Every day or every meal |
| Nutritional value | May not provide a full range of essential nutrients |
| Consumption quantity | Consumed in bulk |
| Nutrients supplied | Sugars, carbohydrates, proteins, fats, minerals, vitamins |
| Sources | Inexpensive or readily available |
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What You'll Learn
Staple foods are derived from plant or animal products
A staple diet refers to the most important food or the types of basic foods eaten by a person or group regularly. Staple foods are usually inexpensive and readily available, providing a dominant portion of a standard diet and fulfilling energy and nutrient needs. They are typically well-adapted to the growth conditions in their source areas and can be derived from plants or animals.
Plant-based Staple Foods
Plant-based staple foods include cereals like rice, wheat, maize, millet, barley, oats, rye, and sorghum. These are the staples of over 4,000 million people, with rice being the staple diet of many in China. Roots and tubers, such as potatoes, cassava, yams, and taro, are also plant-based staples, providing carbohydrates, calcium, and vitamin C. They are important for over 1,000 million people in the developing world, especially in sub-Saharan Africa. Other plant-based staples include starchy vegetables like sweet potatoes and turnips, dried legumes like lentils and beans, and large, fleshy fruits like breadfruit and coconut.
Animal-based Staple Foods
Animal-based staple foods include meat, typically from livestock and poultry, as well as fish, eggs, milk, and dairy products like cheese. Pastoralism, or herding animals, is common in inhospitable ecosystems, allowing people to derive staple foods from animals in regions like Mongolia, the Prairies, and the Arctic. For example, the Sioux herded bison in the Prairies, and the Sami people herd reindeer in the Arctic. Animal-based staples are particularly important in regions where agricultural crops cannot be grown.
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Staple diet varies from place to place
A staple diet refers to the most important food or types of basic foods that a person or animal eats most often. It constitutes a dominant portion of a standard diet, supplying a large fraction of energy needs and generally forming a significant proportion of the intake of other nutrients.
Staple diets vary from place to place and are influenced by factors such as weather patterns, local terrain, farming constraints, acquired tastes, and ecosystems. For example, in regions like Mongolia, herding sheep is common, while the Sioux herded bison in the Prairies, and the Sami people herd reindeer in the Arctic. These animals provide meat, offal, fat, eggs, and milk, which become staple foods in these inhospitable ecosystems.
Regional staples also include plants such as rye, soybeans, barley, oats, and teff. In Scotland, porridge was a staple for generations, and their diet also includes large amounts of potatoes. Similarly, cod fish is a staple for many people globally, and rice is a staple for many in China.
The dominant staple foods in different parts of the world can also be attributed to the availability of certain food groups. For instance, roots and tubers are important staples for over a billion people in the developing world, providing roughly 40% of the food eaten by half the population of sub-Saharan Africa. In contrast, cereals account for 46% of the main energy source in the average African diet, with roots and tubers contributing 20% and animal products 7%.
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Staple foods are eaten in bulk to supply energy
A staple diet refers to the most important food or types of basic foods that a person or animal eats most often. It is a dominant portion of a standard diet, supplying a large fraction of energy needs and forming a significant proportion of the intake of other nutrients. Staple foods are typically inexpensive or readily available and provide one or more of the macronutrients and micronutrients needed for survival and health, such as carbohydrates, proteins, fats, minerals, and vitamins.
Staple foods are typically derived from either plant or animal products that are digestible by humans and can be supplied in substantial quantities. Common plant-based staples include cereals such as rice, wheat, maize, millet, barley, and oats; starchy tubers like potatoes, sweet potatoes, and yams; root vegetables such as cassava and carrots; and dried legumes like lentils and beans. Animal-based staples include various types of meat, fish, eggs, milk, and dairy products. Other staple foods include sago, large fleshy fruits, and, depending on the region, processed food products like olive oil, coconut oil, and sugar.
The specific staple foods consumed vary across different regions and are influenced by factors such as weather patterns, local terrain, farming constraints, acquired tastes, and ecosystems. For example, in Africa, the main energy source staples are cereals (46 percent), roots and tubers (20 percent), and animal products (7 percent). In China, rice is the staple diet for many people, while in Scotland, porridge and potatoes have been staple foods for generations.
It is important to note that staple foods, when consumed in isolation, may not provide a full range of essential nutrients. For example, a diet consisting primarily of maize has been associated with the nutrient-deficiency disease pellagra, while a diet of refined white rice has been linked to beriberi. Therefore, while staple foods are important for supplying energy, a balanced diet that includes a variety of nutrient-rich foods is crucial for maintaining overall health.
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Staple foods are inexpensive and readily available
A staple diet refers to the most important food or types of basic food eaten by a person or group. Staple foods are usually inexpensive or readily available and supply one or more of the macronutrients and micronutrients needed for survival and health. They are often eaten in large quantities and may be consumed daily or at every meal.
Staple foods are generally derived from either plant or animal products. Common plant-based staples include cereals (rice, wheat, maize, millet, barley, oats, rye, and sorghum), starchy tubers (potatoes, sweet potatoes, yams, and taro), and root vegetables (cassava, turnips, carrots, and rutabagas). Animal-based staples include various types of meat, fish, eggs, milk, and dairy products.
The specific staple foods consumed vary across different regions and are influenced by factors such as weather patterns, local terrain, farming constraints, acquired tastes, and ecosystems. For example, rice is a staple for many people in China, while roots and tubers are important staples for over a billion people in the developing world, particularly in sub-Saharan Africa. Pastoralism, where animals consume local plant matter that is inedible to humans and convert it into edible products like meat, milk, and eggs, is favoured in certain ecosystems such as deserts, tundra, and mountainous terrains.
Some examples of inexpensive staple foods include eggs, beans, frozen vegetables, ground meat, flour, sugar, salt, and peanut butter. These foods are versatile and can be used in a variety of dishes, making them cost-effective options for individuals and families. Additionally, traditional dishes like Colcannon (an Irish dish with mashed potatoes and kale) and Alloco (a snack made from fried plantains popular in West Africa) are also considered staples in their respective regions.
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Consuming only staple foods can lead to nutrient deficiencies
A staple diet refers to the most important food or types of basic foods eaten by a person or group regularly and in large quantities. It is usually inexpensive and readily available, constituting a dominant portion of a standard diet. For example, porridge and potatoes are staple foods for Scots, while rice is a staple food for many people in China.
Staple foods are typically plant-based, with cereals, roots and tubers, and animal products such as meat, milk, eggs, and fish being the most common. However, consuming only staple foods can lead to nutrient deficiencies. This is because staple foods, when consumed in isolation, do not provide the full range of essential nutrients. For example, the nutrient-deficiency disease pellagra is associated with a diet consisting primarily of maize, and beriberi is linked to a diet of refined white rice. Similarly, scurvy results from a lack of vitamin C.
The nutritional value of staple foods is also influenced by factors such as higher carbon dioxide levels due to climate change, which can negatively impact their nutritional content. Additionally, certain preparation methods, such as extensive washing and cooking, can lead to nutrient losses. For example, milled rice is not a rich source of micronutrients, and washing it before cooking can result in a 10-20% loss of nutrients.
To address this issue, biofortification of staple crops with essential micronutrients has been proposed as a strategy to prevent nutritional deficiency diseases. This approach recognises that staple foods are consumed regularly and in large quantities, making them a suitable vehicle for delivering various nutrients to the population.
Furthermore, individuals with limited diets that lack fruits and vegetables may be at risk of nutrient deficiencies. This is particularly true for those relying on staple foods without access to diverse diets, as they may not be obtaining adequate amounts of vitamins and minerals. Therefore, it is important to incorporate a variety of nutrient-rich foods into one's diet to prevent deficiencies and maintain overall health and well-being.
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Frequently asked questions
A staple diet is the food or foods that a person or animal eats most often. It is the most important food or types of basic food eaten by a particular individual or population group.
Staple foods are derived from either plant or animal products that are digestible by humans and can be supplied in substantial quantities. Common plant-based staples include cereals (e.g. rice, wheat, maize, millet, barley, oats, rye, etc.), starchy tubers (e.g. potatoes, sweet potatoes, yams, etc.), and root vegetables (e.g. cassava, turnips, carrots, etc.). Animal-based staples include various types of meat, fish, eggs, milk, and dairy products (e.g. cheese).
The dominant staple foods in different parts of the world vary based on weather patterns, local terrain, farming constraints, acquired tastes, and ecosystems. For example, in the average African diet, the main energy sources are cereals (46 percent), roots and tubers (20 percent), and animal products (7 percent). In Mongolia, herding sheep is a source of animal-based staples, while in the Prairies, the Sioux herd bison.
