Description Now collagen can be easily determined by any biochemical laboratory! The QuickZyme Total Collagen Assay kit is based on the quantitative colorimetric determination of hydroxyproline residues, obtained by acid hydrolysis of collagen. Usually for this type of analysis removal of HCl after hydrolysis is needed, which is a time-consuming step and/or needs special equipment. The QuickZyme Total Collagen Assay is the only hydroxyproline-based assay which does not need this laborious step, resulting in a fast (