What is protein,types,function,sources.

What is Protein

Proteins in the one of the essential nutrient of human body,they are one of the building blocks of body tissue,and can also serve as a fuel source.The most important aspect and defining characteristic of protein from a nutritional standpoint is its amino acid composition.There are nine essential amino acids which a human must obtain from their diet in order to prevent protein energy malnutrition.They are phenylalanine, valine,threonine,tryptophan,methionine,leucin,isoleucine,lysin, and histidine,protein is a micro nutrient that is essential to building muscle mass.Each gram of protein contains 4 gram of calories.Protein makes up about 15 percent of a person's body weight. Chemically,protein is a composed of amino acids.which are compound made of carbon,hydrogen,nitrogen,oxygen or sulfur.

Types of protein

We sometimes hear that there are three types of protein foods.

Complete protein:These foods contain all the essential amino acids.They mostly occur in animal foods, such as meat, dairy, and eggs.

Incomplete protein:- These foods contain at lest one essential amino acids, so there is lack of balance in the protein. Plant foods,such as peas,beans, and grains contains mostly incomplete protein.

Complementary protein:- These refer to two or more foods containing incomplete proteins that people can combine to supply complete protein.

Examples include rice and beans or bread with peanut butter.

What do protein

Proteins plays a role in nearly all the biological process, and their functions very widely.

The main functions of protein in the body are to build repair or replace things, such as tissue.

They can be:

• structural, like collagen 
• hormonal, like insulin
• carriers, for example, hemoglobin
• enzymes, such as amylase

All these are proteins

keratin is a structural protein that strengthens protective covering, such as hair. Collagen and elastin, too, have a structural function, and they also provide support for connective tissue.

Sources

Rice and bean together provide complete protein

Protein is one of the essential nutrient, or macro nutrients, in the human diet, but not all the protein we can eat converts protein in our body.

When people eat foods that contains amino acids,these amino acids make it possible for the body to create, or synthesize, proteins. If we do not consume some amino acids, we will not synthesize  enough proteins for our bodies to function correctly.

There are also nine essential amino acids that the human body does not synthesize,so they must come from a diet.

All food proteins contains some of each amino acid,but in different proportion.

Gelatin is special in that it contain a high proportion of some amino acids but not the whole range.

Foods that contain these nine essential acids are roughly equal proportion are called complete protein. Complete protein mainly comes form animal sources, such as milk, eggs, and meat.Soy and quinoa are vegetable sources of protein. Combining red beans and lentils with wholegrain rice or peanut butter with whole meat bread also provides complete protein.

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Categories, Functions and Sources Of Vitamins

Categories Of Vitamins

Vitamins are Categories into two groups

• Fat Soluble Vitamins
• Water Soluble Vitamins      

Fat Soluble Vitamins.

These vitamins are stored in fatty tissue of our body.The four fat soluble vitamins are A,D,E,K.These vitamins are absorbed more easily by the body in the presence of dietary fat 

Water Soluble Vitamins.

There are nine water-soluble vitamins. They are not stored in the body.Any leftover water-soluble vitamins leave the body through urine. Although, the body keeps a small reserve of these vitamins, they have to be taken on a regular basis to prevent shortage in the body.Vitamin B12 is only water soluble vitamin that can be stored in the liver for many years

Functions and Sources of Vitamins

Fats soluble Vitamins is as follows :- 

Functions:-Helps maintaining Good Vision(necessary for night vision)resistance to infection and support and repair of body tissues.Also maintain the high integrity of white and red blood cells,assists immune reactions.

Sources:-Milk,eggs,meat,fish liver oil.Vegetable(spinach,broccoli,carrots,sweet  potatoes,pumpkin) Fruits(Mango,cantaloupe,papaya, and apricots)

Functions:-Member of large and cooperative bone-making and bone maintenance team.Regulates absorption of calcium and phosphorous for bone health

Sources:-Formed in skin when you exposed to sunlight. Also found in dairy products,egg yolk,fish liver oils,tuna,oysters,yeast

Functions:-Fat -soluble antioxidant. Helps  maintain cell membranes,red blood cell integrity,protects vitamin A and fatty acids for oxidation

Sources:-Found primarily in plant oils,leafy vegetables,wheat grains,whole grains,eggs yolk,nuts,seeds, and liver.

Functions:-Helps make factors that promote blood clotting.

Sources:-Diet generally supplie: remaining need.Green leafy vegetables,cabbage type vegetables and milk.

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Simple explanation about Vitamins.

Vitamins

Vitamins are the substance your body needs for grow and develop or you can say they are various organic compound that are needed in small amount for normal growth and activity,there are many vitamins that a body cannot synthesize itself.but are found naturally from the food we obtained from plants and animals,

There are 13 essential vitamins,which are required for the body to work properly,
They are:-

• Vitamin A
• Vitamin C
• Vitamin D
• Vitamin E
• Vitamin K
• Vitamin B1
• Vitamin B2
• Vitamin B3
• Vitamin B5
• Vitamin B6
• Vitamin B7
• Vitamin B9
• Vitamin B12      

You can usually get all the vitamins from the food you eat.some vitamins are made by body itself like Vitamin K and Vitamin D,And in some cases you have take supplements to get vitamins, For Example:-People who eat vegetarian diet may need to take a Vitamin B12 supplement,

Each vitamin has specific jobs,If you have levels of certain vitamins,you may face health problems.

For example,If your don't get enough Vitamin C,you would be in a condition where there is deficiency of red cells or of hemoglobin in the blood which results to pallor and weakness.Some vitamins may help to prevent medical problems like vitamins A prevents night blindness.

The best way to get enough vitamins is to eat a balanced and health diet with variety of foods.In some cases,you may need to take supplements,it's a good idea to ask your health care provider first,If you take high dose of some vitamins it can cause problems.

In my next blog i would be explaining the classification,functions and source of vitamins.

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Meaning of nutrition in a simple and easy way!!!

Nutrition

What do you mean by Nutrition?

The process of taking in the food which is necessary for growth and nourishment of our health
As our body need nutrients which cannot produce everything so we have to get it from other sources i.e.
• Fruits
• Vegetables
• Meat
• Supplements

As per The WHO(World Health Organization) essential nutrients are crucial in supporting a person's reproduction, good health, and growth.
The WHO divide these essential nutrients into two categories: micro nutrients and macro nutrients.

Micro-nutrients are nutrients that a person needs in small doses. Micro-nutrients consist of vitamins and minerals. Although the body only needs small amounts of them, a deficiency can cause ill health.

Macro-nutrients are nutrients that a person needs in larger amounts. Macro-nutrients include water, protein, carbohydrates, and fats.

There six essential nutrients are:-

• Vitamins
• Minerals
• Protein
• Fats
• Water
• Carbohydrates

As i would be explaining more about  these nutrients and why they are essential for our body in my next blog

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