Cholesterol Reagent Kit (CHOD-POD Method) for Quantitative Determination

Cholesterol is a crucial component of cell membranes and a precursor for steroidal hormones and bile acids. It is transported in the blood by lipoproteins, including HDL and LDL. High levels of LDL are associated with the transport of cholesterol to peripheral cells, while HDL is responsible for cholesterol uptake from cells. An increase in total cholesterol concentration can indicate a risk of coronary heart disease.

The Cholesterol Reagent Kit employs the well-established CHOD-POD (Cholesterol Oxidase-Peroxidase) enzymatic method for precise and reliable results. The process involves two key steps : first, cholesterol esters are hydrolyzed by cholesterol esterase (CHE) into free cholesterol and fatty acids. Second, cholesterol oxidase (CHOD) oxidizes the free cholesterol, producing hydrogen peroxide (H2 O2). In a subsequent Trinder's reaction, peroxidase (POD) catalyzes the reaction between H2 O2, 4-aminoantipyrine, and phenol to form a colored quinoneimine. The intensity of this color is measured photometrically and is directly proportional to the total cholesterol concentration in the sample. This enzymatic method ensures high accuracy and specificity, making the kit an indispensable asset for clinical laboratories and hospitals for routine lipid profile testing and cardiovascular risk assessment.