classes of food and their functions pdf Friday, December 11, 2020 8:16:24 PM

Classes Of Food And Their Functions Pdf

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Although each of the 7 major groups of nutrients performs different and unique functions in our body, they are all essential because they work together and contribute to our good health.

THE FOOD GROUPS

There are six classes of essential nutrients necessary for human survival: carbohydrates, proteins, lipids, vitamins, minerals and water. The best way to get these nutrients is by following a varied, healthy diet featuring plenty of fresh vegetables and fruits, whole grains, lean proteins, nonfat dairy products and healthy fats. Dietary requirements vary with age and sex. Consult your physician or a registered dietitian about the diet that is best for you. Carbohydrates are a major energy source. Along with providing fuel for physical activity, they also power the body's involuntary functions, including heartbeat, breathing and digestive processes.

They comprise all the sugars in food and directly impact the level of sugar in the blood glycemia. People with diabetes should choose nutritionally rich sources of carbohydrates high in vitamins, minerals and fibre. Visit our section on carbohydrates. Protein has little effect on blood sugar and can help control appetite because of its satiating effect i. Visit our section on proteins. Fats, also called lipids, play a role in the transport of certain vitamins and provide the body with essential fatty acids.

The food groups are divided based on the nutritional properties they offer. Foods that animals eat can be classified based on the amount of nutrients and the type of nutrients they provide for subsistence and survival. It is highly recommended to eat portions of food from the different groups in order to live a healthy lifestyle. This will provide you with a complete set of nutrients for better health. These nutrient classes can be classified either into macronutrients or nutrients that are needed in large quantities and micronutrients or nutrients that are needed in small amount. Macronutrients include the carbohydrates, proteins, fats, fibre, and water while the micronutrients include vitamins and minerals. Macronutrients provide the body with energy.

Nutrition Module: 2. Nutrients and their Sources

While there are many essential nutrients, they can be broken into two categories: macronutrients and micronutrients. Macronutrients are eaten in large amounts and include the primary building blocks of your diet — protein, carbohydrates, and fat — which provide your body with energy. Vitamins and minerals are micronutrients, and small doses go a long way. There are six main groups of essential micronutrients and macronutrients. Protein is having its moment, and not just in the workout community.

There are six essential nutrients that people need to consume through dietary sources to maintain optimal health. The WHO divide these essential nutrients into two categories: micronutrients and macronutrients. Micronutrients are nutrients that a person needs in small doses. Micronutrients consist of vitamins and minerals. Although the body only needs small amounts of them, a deficiency can cause ill health. Macronutrients are nutrients that a person needs in larger amounts.


There are seven main classes of nutrients that the body needs. These are carbohydrates, proteins, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health.


The Food Pyramid

There are seven major classes of nutrients: 1. Carbohydrates 2. Fats 3. Dietary Fiber 4.

We are what we eat. That is why it is important to eat healthily, and lucky for us, science can help us with this. Did you know that the food that we eat can be divided into groups based on the nutritional properties they offer? Read on to find out how many classes of food exist, their functions, and sources.

During our last lesson, we talked about eating whole foods. One of the most important parts of healthy living is balancing eating different kinds of whole foods and limiting your intake of processed foods so that you get all of the nutrients that your body needs. The Food Pyramid is a tool that explains exactly what you need to eat in order to get the right amount of nutrients.

In the previous session you learned about nutrition, nutrients, food and food choices. In this session, you will learn about each nutrient in more detail. You will learn about the major categories of nutrients, the main sources of these, their function, and how our body uses each of these nutrients for healthy growth and development.

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