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Which protein powder is better?

lanxierliwen2010-03-31 16:10:42 +0000 #1
My brother an early age than resistance is weak, I want to buy some protein powder to add that he did not know that better, there are used to help me introduce!
baihongzhi2010-03-31 16:21:10 +0000 #2
If the constitution is weak, I suggest that the UN drink whey protein powder, which is vegetable protein, as far as possible with a simple exercise can enhance physique! (Provided that he does not gastrointestinal disease!)
Angelempire2010-03-31 16:41:51 +0000 #3
amino acid unit as the basic building blocks molecules of a class of nitrogen compounds, an important component of all organisms, their biological function varied, are also important nutrients. Nature is about more than 150 million species of organisms, about 10

10 egg white powder; the human body no less than 10. Protein powder accounting for the majority of more than half of the dry weight of organisms. Antibodies such as the main component of which is protein powder. In appearance, there are fibrous, spherical, rod-like, and Olive and so on. They are all genetic information at the molecular level of expression, their function has been the Secretary for each.

Protein Powder

So far there is no appropriate category classification. Can only roughly be divided into a simple protein powder protein powder (just by the L - amino acids, such as serum albumin, egg albumin, etc.) and binding protein powder (containing the composition, in addition to the main L - amino acids, the still-containing non-protein powder Some, such as sugar, protein, proteoglycan, lipoprotein, nucleoprotein, iron, protein, phosphorus and protein, etc.).

A common simple protein powder can be divided into the different solubility: albumin (also known as albumin). Solubility larger, we must use all saturated neutral salt solution then can the precipitation. Such as plasma albumin, in the maintenance of the blood colloid osmotic pressure and combined transport plays an important role in many substances. Globulin. Slightly soluble in water, can be used semi-saturated salt solution to make it neutral precipitate. Such as serum, β and γ-globulin, γ globulin or immune globulin, and β-globin primary role is to combine a variety of material transport. Histone. Can dissolve in water and dilute acid solution, histidine and lysine-rich, alkaline, and often with the nucleic acid binding in the nucleus. Others, such as protein and protamine so hard. With the advances in level of analysis and found that some simple protein powder is also often contain small traces of non-protein powder material.

A common binding protein powder are: NP. By a combination of protein and nucleic acid powder, and genetic and protein powder biosynthesis are closely linked. Sugar, protein and proteoglycan. Department of glycoprotein sugar-based protein powder as a cofactor, involved in cell adhesion and the composition of membrane receptors. Proteoglycan Zeyi polysaccharide as the main ingredient, like sugar and chemical properties.其他. Protein, protein powder with the Department of color pigment (such as hemoglobin in the hemoglobin) are combined. Another example is P protein, lipoprotein and so on.

Protein Powder composition, excluding the non-binding protein powder protein powder part, mainly from about 50

55% of the carbon, 6 to 8% hydrogen, 19

24% oxygen, 13

19% of the nitrogen and 0

4% of the sulfur component. Some protein powder also contains small amounts of phosphorus, iodine, iron, copper, zinc, manganese, magnesium, cobalt, molybdenum, or selenium and so on. Carbon, hydrogen, oxygen and nitrogen components constitute the units of amino acid protein powder element; sulfur was seen only in cystine, cysteine and methionine, while the iodine exists mainly in the thyroid globulin. Other elements is that some of the cofactor-binding protein powder or the composition of ligands, or with some protein powder with the metal ions.

Protein powder are 20 kinds of amino acids for the component units. Amino acids linked together by key. Key to that is an amino acid with another amino acid amino-carboxyl dehydration condensation formed covalent bond. Key to the two amino acids linked together branding for two, three amino acids formed three links, a number of amino acids linked together branding for more. General molecular weight more than 10,000 from more than 50 amino acids and more can be counted as protein powder.

Protein Powder

Protein Powder catabolism large molecules, but also has immunogenicity, eating into the post-digestion in the gastrointestinal necessary before they could be absorbed. Protein powder from the protein and facilitate digestion. Multi-digested protein powder is the original form of secretion in the stomach and intestine in the. Gastric juice containing hydrochloric acid, pH <2, there is sterilization, so that protein powder degeneration and to promote self-activation of the role of fibrinogen stomach. Gastric protein in the stomach acting on protein powder and more of its hydrolysis into smaller multiple. Food into the small intestine, the pancreas and the secretion of bicarbonate in gastric acid, so pH rises to 7; the same time, the pancreatic secretion of pancreatic fibrinogen, Mi fibrinogen, pancreas E of the original, such as carboxyl group of the original A and B, in the activated then act on the stomach protein hydrolysates, respectively, hydrolysis of their respective specific key. Pancreatic secretion in the stomach to digest protein powder activation agents and the role of the original table. In addition, the small intestine also secrete amino, acting on the amino-terminal, turn off key. In these roles, the protein powder was hydrolyzed into amino acids, II and III. II and III mainly in the intestinal mucosa cells for two and three hydrolysis. Protein powder end product of digestion of amino acids, by specific absorption mechanisms into the body.

Food digestion and absorption of protein powder.

Food digestion and absorption of protein powder protein powder body tissues into a state of constant transformation. A healthy, normal adult daily nutrition, adequate organization of about 300g protein powder is degraded, only a small part of the degradation products excreted, mostly in anabolic be re-used, so just to get a certain amount from food protein powder to supplement. Organization of the body is not the same as the degradation of its protein powder and the necessary places is also different, and some in the dissolved body, and some in the in vitro dissolution. Be degraded in vivo in the soluble protein powder drink by swallowing, or swallow the role of melting into the body. Dissolving the body's pH is acidic, is conducive to the degeneration of protein powder and at least four kinds of proteins (including the organization of protein, B, D and E) and several (including 2) play a role. In this way, protein powder can be completely hydrolyzed into amino acids. However, in some tissues and cells (such as muscle and reticular cells), the body of little or no melting, the elimination of unwanted protein powder can only be carried out in the cytosol. In these cells contain a number of water-soluble protein and. They can be in the extracellular solution will be neutral or slightly alkaline environment completely hydrolyzed protein powder. Both in vivo and in vitro dissolution, hydrolysis of amino acids produced by protein powder with the food to the closet by the combined for a variety of anabolic and catabolic purposes.

Protein Powder

The nutritional value of the supply of nutrition, not only to consider the amount of protein powder, but also should pay attention to the quality protein powder. The lack of essential amino acids of the protein powder, its nutritional value is poor. If the pure in this protein powder as a major food protein powder, will be unable to maintain the body's nitrogen balance, which means the organization will be more degraded protein powder to provide essential amino acids for the body composition of the update fixes some organizations, leading to discharge of nitrogen than nitrogen ingestion of protein powder. Normal adults in the normal nutritional state, should be at the total nitrogen balance, instant emission of nitrogen into the nitrogen and the same. Food protein powder essential amino acids contained in the more complete, in the type and quantity of protein powder with the composition of the human body closer, its nutritional value or physical value of the higher. Protein powder mainly from dairy, eggs, meat, beans, nuts, class and so on, followed by cereal protein powder content. Animal protein powder is usually more than the nutritional value of plant protein powder. If the same time, uptake of several low-quality protein powder, they often can be the essential amino acids on each other, each other's needs, thereby enhancing its biological value, namely the complementary roles of protein powder. For example, corn gluten meal in the absence of lysine and tryptophan, if the individual consumption, only 60 of its physical value; millet and soy protein powder physical value is not high, respectively, 57 and 64; but three of 23 : 25:52 ratio of closet eating together, then its physiological value of which can be raised to 73. Protein Powder of the requirements, usually about 80g a day or so adults, accounting for about 15% of the energy supply, heavy manual work, such as pregnant women and lactating women is a corresponding need more. You need to use protein powder because young children for growth, so the protein powder per kilogram of body weight than adults, requirements for multi-, breast-feeding children for the 3.5

4.0g/kg/d, with more than milk feeding Zexu 6g/6kg/d . Infants and young children are usually 3.0

3.5g/kg/d, children 2.5

3.0g/kg/d, after the age of 18 for 2g/kg/d
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