Exploring the benefits and functions of vitamins and proteins in the human body
Commentary - (2023) Volume 43, Issue 1
Teng LIJJA, Department of Food Science, Northeast Agricultural University,
Received: 20-Feb-2023, Manuscript No. CNHD-23-93449;
Editor assigned: 23-Feb-2023, Pre QC No. CNHD-23-93449 (PQ);
Reviewed: 09-Mar-2023, QC No. CNHD-23-93449;
Revised: 16-Mar-2023, Manuscript No. CNHD-23-93449 (R);
23-Mar-2023, DOI: 10.12873/0211-6057.23.01.197
Author info »
Vitamins and proteins are essential nutrients required for
the proper functioning of the human body. Vitamins are
organic compounds that the body needs in small quantities to maintain normal metabolism and growth, while
proteins are complex molecules made up of amino acids
that are essential for the growth and repair of tissues in
Vitamins fall into two categories, water-soluble and
fat-soluble. Water-soluble vitamins include vitamin C and
vitamin B complexes such as thiamine, riboflavin, niacin,
pantothenic acid, pyridoxine, biotin, folic acid, and cobalamin.
These vitamins are not stored in the body and
excess amounts are excreted in the urine. Fat-soluble vitamins
include vitamins A, D, E, and K. These vitamins
are stored in the body’s liver and adipose tissue, and
excess amounts can build up to toxic levels.
The best sources of vitamins are fresh fruits and vegetables,
whole grains, dairy products, and lean meats.
Vitamin C is found in citrus fruits, strawberries, kiwi,
mangoes, and broccoli. B-complex vitamins are found
in whole grains, leafy green vegetables, dairy products,
meat, fish, and poultry. Vitamin A is found in liver, eggs,
dairy products, and orange and yellow vegetables. Vitamin
D is synthesized in the body with the help of sunlight,
but it is also found in fatty fish, liver, and egg yolks.
Vitamin E is found in nuts, seeds, and vegetable oils.
Vitamin K is found in leafy green vegetables, liver, and
Vitamins have various functions in the body. Vitamin A is
important for vision, immune function and skin health.
Vitamin D is important for the absorption of calcium and
phosphorus, which are necessary for bone health. Vitamin
E is a powerful antioxidant that protects cells from
free radical damage. Vitamin K is required for blood clotting.
Vitamin C and vitamin B complex are essential for
energy production, immune function and nervous system
Proteins are made up of long chains of amino acids,
which are linked together by peptide bonds. There are
20 different amino acids, and the body can synthesize
some of them, while others must be obtained through
the diet. Proteins are necessary for the growth and repair
of tissues in the body, and they also play a role in enzyme
function, hormone synthesis, and immune function.
Protein is found in a wide range of foods, including meat,
fish, poultry, dairy products, legumes, nuts, and seeds.
Animal sources of protein are considered complete proteins,
as they contain all the essential amino acids in the
correct proportions. Plant sources of protein are generally incomplete, as they lack one or more essential amino
acids. However, by combining different plant-based
protein sources, such as beans and rice, it is possible to
obtain all the essential amino acids.
Proteins perform a wide range of functions in the body.
They are essential for the growth and repair of tissues,
including muscle, bone, and skin. They also play a role in
enzyme function, hormone synthesis, and immune function. Additionally, proteins are used as a source of energy
when carbohydrates and fats are not available.
Vitamins and proteins are essential nutrients required for the proper functioning of the human body. Vitamins are
organic compounds that the body needs in small quantities
to maintain normal metabolism and growth, while
proteins are complex molecules made up amino acids.
Department of Food Science, Northeast Agricultural University, Heilongjiang, China
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