Peptídeos | mundovegetariano

peptides

Os peptídios, peptídeos ou péptidos são_cc781905-5cde-3194-bb3b- 136bad5cf58d_biomoléculas formadas pela ligação de dois ou mais aminoácidos atrávés de_cc781905-5cde-3194 -bb3b-136bad5cf58d_peptide bonds, established between an amino group of one amino acid, and a carboxyl group of the other amino acid.

In this way, we can say that the union of two amino acids, or the formation of a peptide, is a synthesis reaction by dehydration, because it released a molecule of water.

Peptides are the result of protein processing and may have 2 or more amino acids in their constitution.

They are divided into:

2 amino acids: Dipeptide
3 to 50 amino acids: Oligopeptide
51 or more amino acids: Polypeptide

Polypeptides are made up of a long chain of amino acids, and it is in this category that proteins belong, as they are made up of a large number of amino acids.

In the human body, the function of peptides is to regulate the activity of various systems and interact with cells.

Enzymes are responsible for breaking down proteins into peptides. Peptides have several functions in the human body. There are peptides with hormonal activity, others have immune function.

Peptides that act as biological messengers tell cells how to act, react and what to do. There are peptides capable of healing skin wounds, others help to improve dermatitis and eczema.

Peptides, when applied to the skin, theoretically promote cell regeneration.

They exert real benefits as active ingredients in cosmetics when three criteria are considered:

1.Peptides must be stable in their basic formula.
2. It needs to be associated with a biological messenger that enhances the absorption of the ingredient in the skin.
3. They must reach the target cell groups before the peptide splits (or breaks down).

Achieving these goals is no easy task, but scientists say they are close to discovering the elixir of youth.

Peptides do have significant potential in the realm of anti-aging ingredients.

About Collagen:

“Collagen, actually collagens, as there are more than 20 of them, are formed by process inside cells to manufacture proteins, which are sequences of peptides, which in turn are chains of amino acids , which come from DNA”, explains o rheumatologist Francisco Airton Rocha, member of the Osteoarthrosis committee, SBR, even detailing that_cc781905-5cde-3194-bb3bcf-13d6 obad_ Collagen is a triple helix structure, like a braided rope.

“But there is an important problem: the fiber is only assembled completely outside the cell, meaning that it is not enough to produce collagen, but it has to be assembled correctly. This is done outside the cell”, Rocha points out, saying that a lack of vitamin C prevents the stabilization and assembly of collagen in the connective tissue “and this is the reason for scurvy, that problem that sailors of the caravels had”, says Rocha.

Without vitamin C, explains the rheumatologist, the structures that support some tissues become “loose” and in this way, the teeth become detached and the vessels break easily, among other occurrences.

“But the Portuguese solved it simplygoing to take some lemons on board the caravels to add to the diet. Therefore, the amount of vitamin C we need is tiny and practically no one suffers from it anymore”, says Rocha.