SONG Jing, LIU Chang-long, GAO Peng, et al. Separation and Indentification of Collagen Peptides from Pigskin[J]. Chinese journal of experimental traditional medical formulae, 2014, 20(11): 23-25.
SONG Jing, LIU Chang-long, GAO Peng, et al. Separation and Indentification of Collagen Peptides from Pigskin[J]. Chinese journal of experimental traditional medical formulae, 2014, 20(11): 23-25. DOI: 10.13422/j.cnki.syfjx.2014110023.
Objective:To isolate and purity collagen peptides from pigskin
then identify relative molecular mass distribution and structure of its active ingredients. Method:Pigskin was digested by pepsin and trypsin
enzyme solution received ultrafiltration
electrodialysis desalination and lyophilization to get collagen peptides from pigskin
Sephadex G-25 gel column was adopted to separate and purity hydrolyzate
effects of each part of collagen peptides on L929 cell multiplication were analyzed
ESI-Q-TOF2 mass spectrometer was employed to analyze amino acid sequence of collagen peptides from pigskin. Result:Two parts were separated as part Ⅰ and Ⅱ
both of them on L929 cell multiplication rates were 162% and 179%
respectively.Relative molecular mass of activity part Ⅱ were 800-2 000 Da
two amino acid sequence were first discovered
they were GLGAGGGRGSDGNPG and PAGAHGPAGL. Conclusion:Collagen peptides from pigskin had a significant cell proliferation with some specificity