A nutrient is a substance used by an organism to survive, grow, and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi .. Food is everything we eat. But all the food is not healthy. Some food does not provide nutrition
The Science of Nutrition:
The process by which a living organism assimilates food and uses it for growth, the liberation of energy and replacement of tissues is known as nutrition. Its successive stages include digestion, absorption, assimilation, and excretion. Nutritional science investigates the metabolic and physiological responses of the body to diet.
Nutrition is the science that interprets the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes ingestion, absorption, assimilation, biosynthesis, catabolism and excretion.
The diet of an organism is what it eats, which is largely determined by the availability and palatability of foods. For humans, a healthy diet includes preparation of food and storage methods that preserve nutrients from oxidation, heat or leaching, and that reduces risk of foodborne illnesses. The seven major classes of human nutrients are carbohydrates, fats, fiber, minerals, proteins, vitamins, and water. Nutrients can be grouped as either macronutrients or micronutrients (needed in small quantities).
Food is composed of different chemical elements arranged in a variety of ways to form molecules these molecules collectively give invisible food their flavor, color, and texture and affect their reaction to heat and their digestion body uses some of the molecules in the food to function properly and stay have these are the nutrients no single food supplies all the nutrients to the body needs to function is nutrient is what is the life and the health of an individual will suffer if any other nutrients in excess change can also be defined as a study of new nutrients and their relationship with food and living things nutrients are generally classified into Macronutrients and Micronutrients
How Much Nutrition Do You Need?
Our body needs the right nutrients in the right amount nutrients assistance in food that provides nutrition it is also important to get 30 at set times of the day we must use this to be healthy and safe becoming cute food must contain all the nutrients that we need the main nutrients are given in the following pages each of these nutrients plays an important part in our daily life
Macronutrients are composed in larger quantities and provide energy in the form of calories and help in the growth and development of human body macronutrients are divided into carbohydrates proteins and fats and oils
Micronutrients are needed in a much smaller amount than the macronutrients. But are vital for maintaining health and body activities