Optimized Collagen Extraction Process to Obtain High Purity and Large Quantity of Collagen from Human Perirenal Adipose Tissue

Table 5

Amino acid analysis of collagen for a comparison between the crude matrix and processed collagen.

Amino acids	Crude	Processed
Aspartic acid	0.479	0.257
Threonine	ND	ND
Serine	0.088	7.399
Glutamic acid	0.288	2.114
Glycine	0.947	22.752
Alanine	0.520	5.411
Cystine	2.055	6.076
Valine	0.376	4.826
Methionine	0.191	2.778
Isoleucine	ND	13.615
Leucine	ND	ND
Tyrosine	2.074	ND
Phenylalanine	1.889	7.953
Lysine	0.154	2.913
Histidine	0.052	0.848
Arginine	ND	0.525
Proline	ND	2.003
Total (μg/mL)	9.114	79.469

ND: not detected.