Grains
Definition
Grains are a type of food that includes cereal grains such as wheat, rice, oats, barley, corn, and other similar crops.
Types of Grains
There are two main types of grains: whole grains and refined grains.
- Whole grains: These grains contain the entire grain kernel, including the bran, germ, and endosperm. Examples include whole wheat, brown rice, oats, quinoa, and barley.
- Refined grains: These grains have been processed to remove the bran and germ, leaving only the endosperm. Examples include white rice, white bread, and many types of pasta.
Nutritional Benefits
Grains are an important source of carbohydrates, which provide energy for the body. They also contain essential nutrients such as fiber, B vitamins, and minerals like iron and magnesium.
Health Considerations
Consuming whole grains is associated with a lower risk of heart disease, stroke, type 2 diabetes, and certain types of cancer. They also contribute to better digestive health due to their high fiber content.
Recommended Intake
According to dietary guidelines, at least half of the grains consumed should be whole grains. This can include whole grain bread, whole grain pasta, brown rice, and oatmeal.
Study Tips
When studying grains, it's important to understand the differences between whole grains and refined grains, their nutritional benefits, and their impact on health. It's also helpful to learn about the recommended intake and sources of whole grains in diet.
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