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Nutrition is the life that survives in humankind. Experts say that Nutrition is good for health that can nourish the body, mind, and soul. Nutrition is the food component that is a requirement in the body to grow, reproduce and lead to healthy living life.
Nutrition is the process of obtaining and consuming food that works in the body or it is the process of breaking down food to use for energy in the body. Nutrition is used for various functions in the body. Nutrients include carbohydrates, proteins, fats, water, vitamins, and minerals that provide energy and maintain body regulations.
There are some types are given bellows:
Human Nutrition is a scientific discipline that utilizes food and nutrients for life, health, growth, development, and well-being. In particular, it is concerned with the nutritional requirements, food consumption, food habits, the nutritive value of foods and diet and health, and research in these fields. It is the scope of biological and metabolic nutrition, clinical nutrition, and public health nutrition.
Animal nutrition is the metabolic and physiological responses of the body which are in the fields of molecular biology, biochemistry, and genetics. It is the study of nutrition in which substances in living things change from one form to another.
Plant nutrition is the chemical element that is necessary for plant growth. The elements are directly involved in plant metabolism. However, it has positive effects on plant growth.
Nutrition is the combination with nutrients which are required for body function and activities. There are many major and minor nutrients that provide energy in the body.
Food is the solid and liquid materials taken into the digestive tracts and body utilize substances. Food is a natural or processing substance which is eaten or drunk by living things. Food is the main source of energy and nutrition for animal or plant origin. It produces energy and maintains growth of the body to protect from disease.
Carbohydrates are organic compounds that contain carbon (C), hydrogen (H), and oxygen (O) and they are structures of Cn(H2n O). Carbohydrates include simple sugars, starches, and celluloses.
Cereals – Rice, wheat, Job, corn etc.
Roots and tubers – Potato, sweet potato, beets etc.
Proteins are amino acids that contain carbon (C), hydrogen (H), nitrogen (N), and oxygen (O) and they are molecules in cells. Proteins are bodybuilding foods. Proteins can help to carry out a specific function in a living cell. Proteins consist of muscle and connective tissue and they are important as carriers in the blood system.
Animal – Meat, fish, egg, milk etc.
Plant – legumes, nuts, seeds, some cereals etc.
Fat is a main component of the diet. It is important due to its flavor, palatability, texture and aroma. Fats contains fat soluble vitamins A, D, E and K. Sources of fats may be animal or vegetable which produce in industrial processing.
Water is abundant in all living things and according to almost all foods. It is essential for life because it contributes no calories to the diet. Water mostly affects the texture of foods.Minor types of nutrients: Vitamins and minerals
Vitamins and minerals are essential parts of food due to they are required for normal health. Vitamins simplify the metabolism of carbohydrates, proteins and fats. Vitamins help our body to fight against diseases. Vitamins are divided into two major groups are fat soluble vitamins (vitamin A, D, E and K) and water soluble vitamins (vitamin B complex and C). Minerals are needed in small amounts which maintain different functions. Minerals also help to form body structure. Vitamins and minerals are the main source such as vegetables, fruits, meat, fish, milk, egg, cereals etc.
|Sources of different Vitamins|
|Vitamin A||Carrot, mango, papaya, pumpkin, liver, egg|
|Vitamin B||Rice, wheat, potato, meat, fish, cereals, egg|
|Vitamin C||Citrus fruits, tomato, guava, lemon, orange, pepper, broccoli|
|Vitamin D||Liver, fish, milk, butter, sunlight, egg|
|Vitamin E||Sunflower oil, coconut oil, olive oil, nuts, seeds|
|Vitamin K||Leafy and green vegetables, soybeans|
A balanced diet is a diet containing all the nutrients needed by the body to function well. This is attained by eating the right combination of foods in proper quantities.
Generally, nutrition and a well-balanced diet are composed of a variety of foods selected from the three basic food groups:
|Energy rich foods:||Cereals- rice, wheat, cornFats and OilsStarchy vegetables- Potatoes, sweet potatoNoodles, Payes, firni, sugar, molasses and honey|
|Body building foods||Animal- Milk, eggs, fish, and meatPlant- Pulses, peas, beans, and nuts|
|Body protective foods:||Vegetables and fruitsGreen leafy – like pui shak, kalmi shak, patshak, etc.Red – lal shak, etc.Yellow and orange colours– carrots, pumpkin, papaya, jackfruit, mango, tomato, orange, lemon, guava, pineapple, amloki, black berry, jumbura, amra etc.|
Malnutrition is an undesirable kind of nutrition that leads to ill health. Its physical function is impaired to the point where it no longer maintains an adequate level of performance in physical work, mental capacity, resisting illness. Malnutrition refers to both undernutrition and overnutrition conditioned by deprivation and excess.
The term “undernutrition” refers collectively to stunting, wasting, underweight, low body mass index and fetal growth retardation – conditions of inadequate nutrition.
Undernutrition is the problem of developing countries, which mainly manifested by PEM, VADD, IDD & IDA.
The term “Overnutrition” refers collectively to more than ± 2SD weight for age (overweight), more than± 2SD height for age, and also more than ± 2SD weight for height and higher body mass index- conditions of overeating and excess nutrition.
Overnutrition is the problem of mainly developed countries, which mainly manifested by Obesity, Diabetes, Hypertension, CVD and other lifestyle diseases.
Emergency nutrition is a nutrition emergency that exists when there is the risk of or an actual rise in mortality due to acute malnutrition and the country or community is unable to fully cope alone. Major disease caused by malnutrition is protein-energy malnutrition and another disease caused by malnutrition is a micronutrient deficiency disease.
Marasmus is the weight for height of less than three standard deviations of the reference population median weight for height.
Kwashiorkor is defined by the presence of bilateral oedema of both feet. Children who have kwashiorkor may not appear underweight initially because of their oedema.
Vitamin A deficiency disease- night blindness, xerophthalmia, bigot’s spot, skin roughness, Vitamin C deficiency disease – scurvy, Vitamin D deficiency disease, B1 deficiency, Riboflavin deficiency, Pellagra, Calcium deficiency, Iron deficiency, Iodine deficiency disease, etc.
Applied Nutrition is a science that uses general principles of the science of human nourishment and solves specific problems.
we know about nutrition needs for long life. It can solve our health-related problems and keep us mentally, psychologically, physiologically, and physically fit. Nutrition is demand rising day by day in the world which can give health nourishment and recovery to disease.