Collagen Quantitation Kit

Cosmo Bio LTD

Catalog No: CSR-COL-001

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Collagen is the one of the main components of extracellular matrix, and accounts for about 30% of the whole human protein. Recent

studies, the production of collagen are reduced in aged skin, the degradation and the accumulation ofcollagen found in a particular

disease, such as has been shown. Therefore, it has become important in accurately quantifying technology health maintenance and

disease diagnosis collagen.

Collagen contains approximately 30 % Glycine (Gly) of whole amino acid residues in each molecule, and constitutes a repeated amino acid

sequence, -Gly-X-Y- in which Pro or Hyp frequently appears at the X or Y position. The proposed assay method takes an advantage of this

unique sequence of collagen aswell as the remarkable specifi city of bacterial collagenase that cleaves all collagen types at the position of

N-terminal side of the Gly residue. Therefore, abundant N-terminal Gly-containing peptides such as Gly-Pro-Hyp, Gly-Pro-Ala, Gly-Pro-Pro,and

Gly-Pro-Z (Z is other amino acid or oligopeptide) are produced from one molecule of each collagen, and greatly amplifi ed fl uorescence signals

from these products are obtained by the reaction with 3,4-Dihydroxyphenylacetic acid (3,4-DHPAA).

This kit is a highly specific and sensitive method for the assay of whole collagen in biological samples using a fluorogenic reagent,

3,4-Dihydroxyphenylacetic acid (3,4-DHPAA). The 3, 4-DHPAA reagent can selectively detect N-terminal Gly-containing peptides.

Features: This kit can quickly measure the collagen in the food and cosmetics. Compared to the existing hydroxyproline method, there is no need of

hydrochloric acid hydrolysis, it can be determined in a safe and simple procedure with a small amount of sample. This kit is suitable for quality

control and product development during the manufacturing process.

● Simple procedure: takes only 2 - 3 hours

● Fast and convenient