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  • Editor:Fuyang DongCheng Biological Engineer CO. LTD.Date:2018-06-20 10:27 Click:
Chinese name: L-hydroxyproline

Chinese alias: L-hydroxyproline; trans-4-hydroxy-L-proline, L-hydroxyproline

English name: H-Hyp-OH

English alias: L-Hydroxy proline; trans-4-Hydroxy-L-proline

purity:> 99%

CAS: 51-35-4

C5NOP> molecular formula Molecular weight: 131.10

flavor enhancer. Fragrance material. It is mainly used for fruit juice, refreshing drinks, nutritional drinks, etc., and is used as biochemical reagent.

P-Hyp content in collagen is the criterion for its quality. The international standard is the ratio of P-hyp to collagen. The closer the value is, the higher the absorption and transformation rate of human skin and bone is, the better the quality is. Better help in the reconstruction of collagen in vivo and the regeneration and renewal of elastin.

scientific name: pyrrolidone carboxylic acid.

a cyclic amino acid, a subamino acid in the 20 common amino acids that make up proteins. It has a special role in the peptide chain, which is easy to form cis peptide bonds, which is not conducive to the formation of alpha helices. Symbol: P. Applied disciplines: Biochemistry and Molecular Biology (first-level disciplines); Amino acids, polypeptides and proteins

proline (Pro) is one of the components of plant proteins, and can exist widely in free state in plants. {p>

Chinese name: proline

English name: proline

English abbreviation: P, Pro

CAS: 145-85-3

chemical formula: C5H9NO2

molar mass: 115.13g / mol

beta-pyrrolidine-alpha-carboxylic acid is different from the general alpha-amino acids, it is a-amino acid, the latter is a-subamino acid, the latter is not free. A heterocyclic structure formed by the substitution of a hydrogen atom on one’s own amino group by a side chain considered to be an alpha-amino acid. One of the common amino acids that make up proteins.

Physical and chemical properties

Physical properties

Appearance and properties: white crystalline or crystalline powder or colorless acicular crystal, containing a crystalline water. Slightly smelly, slightly sweet.

melting point: 210-220 degree C

ratio curl: -84.5 to -86.0 degrees.

deliquescence: deliquescence.

solubility: soluble in water, soluble in ethanol, insoluble in acetone and chloroform in ether or n-butanol.

storage: shading and sealed storage.

isoelectric point (pI): 6.30

chemical properties

can be obtained from ethanol / ether colorless acicular crystals, from the water to get orthorhombic crystal, has a strong sweetness, and reacts with ninhydrin test solution yellow, but is acidified by glacial acetic acid red, with ammonium thiocyanate reaction to produce insoluble salts. [1]

note *: the valence of N is +5.

polarity

proline is a polar molecule from the whole molecular structure, but belongs to non-polar amino acids. This is because the judgement of the polarity of amino acids is based on the properties of the side chain rather than the whole amino acid molecule. There are many non-polar amino acids like polar molecules in reality.

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Chinese Name: L-hydroxrole

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Chinese alias: L-L-hydroxrole, trans-4-hydroxHydroxy-L-proline

Purity: more than 99%

CAS: 51-35-4

Molecular formula: C5H9NO3

Molecular weight: 131.10

A flavoring agent; a nutritional fortifier.Fragrance material. E content of P-Hyp in collagen is the criterion for its quality.The international standard is the ratio of P-hyp to collagen.The closer the value is to 13%, the higher the absorption and transformation rate of human skin and bones is, the better the quality will be.Better help in the reconstruct CT Ion of collagen in vivo and the regeneration and renewal of elastin.

The name of the study: pyrrolidone carboxylic acid.

Proline (Pro) is one of the components of plant protein and can be widely distributed in plants.

Chinese Na Me: proline

English Name: proline

English abbreviations: P, Pro

CAS: 145-85-3

The pyrrolidone alpha acid is different from the ordinary alpha acid and has no free alpha amino group. LPHA subamino acid, and the latter can be regarded as a heterocyclic structure formed by the side chain of the a LPHA amino acid instead of a hydrogen atom on its own amino group. Appearance and character: white crystalline or crystalline powder or colorless needle like crystal, containing a crystalline water. Slightly smelly and slightly sweet.

Ratio rotation: 84.5 to-86.0 degrees.

Storage:shading, sealed and preserved.

Isoelectric point (pI): 6.30

Chemical property

The colorless acicular crystallization can be obtained from ethanol. It has strong sweet taste and yellow reaction with the hydrated three ketone, but it is red after acidification of glacial acetic acid and produces insoluble salts with ammonium thiocyanate. Is + 5.

Polarity

Proline is a polar molecule from the whole molecular structure, but it belongs to non polar amino acids. -polar amino acids like polar molecules in reality.


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