Recombinant collagen dressings are currently a popular skin care product in the market,which can form a protective layer on the wound and act as a physical barrier.Used for the care of non chronic wounds(such as superficial wounds,laser/photon/fruit acid skin replacement/micro plastic surgery wounds),providing a microenvironment for wound healing.The detection of recombinant collagen protein in application products is one of the reliable indicators to ensure product quality.This article investigates the applicability of the identification method for a recombinant collagen liquid dressing.The applicability of a identification method for a recombinant collagen liquid dressing was studied.Peptide map method,N-terminal amino acid sequence method,and isoelectric focusing electrophoresis method were used to identify the recombinant collagen in the experimental sample,and the detection results showed that the peptide map method and N-terminal amino acid sequence method were applicable to the sample.However,the isoelectric focusing electrophoresis method did not detect any bands,so this method is not applicable.When choosing the identification method for recombinant collagen,enterprises should consider the actual situation of the product and adopt appropriate methods.
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