List of nutrients and their functions pdf

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list of nutrients and their functions pdf

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The Six Basic Nutrients

This will be the first in a series of posts about each nutrient our bodies need to function. Water is used in different body processes and helps to regulate our temperature. Blood and other body fluids are mostly water, which helps to carry nutrients around the body and in and out of cells. The amount of water we need each day can vary depending on age, activity level, etc. Carbohydrates carbs for short are the main sources of energy in our body. In our body, blood sugar is the fuel that powers cells.

What are the 6 essential nutrients?

Soil is a major source of nutrients needed by plants for growth. The three main nutrients are nitrogen N , phosphorus P and potassium K. Together they make up the trio known as NPK. Other important nutrients are calcium, magnesium and sulfur. Plants also need small quantities of iron, manganese, zinc, copper, boron and molybdenum, known as trace elements because only traces are needed by the plant.

Food is not a source of nutrients in its original form and is not absorbed into the cells and blood unless first broken down into small blocks. This process-digestion-takes place in the digestive tract, where it is then absorbed by the intestines, transported in the blood stream to each organ, and then taken up into cells. Digestion and absorption begin at the mouth, where food is chewed and swallowed. From there, it moves down the esophagus food pipe to the stomach, where it is thoroughly broken down. Our bodies are built of and powered by solely what we eat and drink.

There are seven major classes of nutrients: 1. Carbohydrates 2. Fats 3. Dietary Fiber 4. Minerals 5. Proteins 6. Vitamins 7.

Food provides nutrients to help the body perform properly. Plant sources of protein tend to provide different essential amino acids, so by eating a need to consume fat every day to support these functions, but some types of fat are better for.

The Six Basic Nutrients

Nutritional disease , any of the nutrient-related diseases and conditions that cause illness in humans. They may include deficiencies or excesses in the diet, obesity and eating disorders , and chronic diseases such as cardiovascular disease , hypertension , cancer , and diabetes mellitus. Nutritional diseases also include developmental abnormalities that can be prevented by diet, hereditary metabolic disorders that respond to dietary treatment , the interaction of foods and nutrients with drugs , food allergies and intolerances, and potential hazards in the food supply. All of these categories are described in this article. For a discussion of essential nutrients , dietary recommendations, and human nutritional needs and concerns throughout the life cycle, see nutrition, human.

Human nutrition

Nutritional disease

Human nutrition , process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life. The study of human nutrition is interdisciplinary in character, involving not only physiology , biochemistry, and molecular biology but also fields such as psychology and anthropology , which explore the influence of attitudes, beliefs, preferences, and cultural traditions on food choices. Human nutrition further touches on economics and political science as the world community recognizes and responds to the suffering and death caused by malnutrition. The ultimate goal of nutritional science is to promote optimal health and reduce the risk of chronic diseases such as cardiovascular disease and cancer as well as to prevent classic nutritional deficiency diseases such as kwashiorkor and pellagra.

There are 6 essential nutrients that the body needs to function properly. Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes. Looking at the AGHE, what food groups are the primary sources of each of the following? Proteins: meat, dairy, legumes, nuts, seafood and eggs Carbohydrates: pasta, rice, cereals, breads, potatoes, milk, fruit, sugar Lipids most commonly called fats : oils, butter, margarine, nuts, seeds, avocados and olives, meat and seafood Vitamins: common vitamins include the water soluble B group vitamins and vitamin C and the fat soluble vitamins A, D, E and K Fruits and vegetables are generally good sources of Vitamin C and A and folic acid a B group vitamin Grains and cereals are generally good sources of the B group vitamins and fibre Full-fat dairy and egg yolks are generally sources of the fat soluble vitamins A, D and E Milk and vegetable or soya bean oil are generally good sources of vitamin K, which can also be synthesised by gut bacteria Minerals: sodium, calcium, iron, iodine, magnesium, etc. Milk and dairy products are a good source of calcium and magnesium Red meat is a good source of iron and zinc Seafood and vegetables depending on the soil in which they are produced are generally good sources of iodine Water: As a beverage and a component of many foods, especially vegetables and fruits.

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.

Nutrient. Function. Deficiency Symptoms. Toxicity Symptoms. Major Food Sources. Protein. Anabolism of tissue proteins; helps maintain fluid balance; energy.


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