Cholesterol test

Cholesterol is a steroid molecule present in animal cell membranes and plays a key role in lipid metabolism. While excess cholesterol is associated with cardiovascular risks, it is also essential for the synthesis of steroid hormones and vitamin D.

Cholesterol testing allows for the measurement of its total concentration in different types of matrices. It is used in food quality control, regulatory compliance verification and nutritional labeling, as well as in nutraceutical research and the analysis of cosmetic formulations.

Analytical principle

The analysis is based on standardized chromatography methods:

• GC-FID (gas chromatography with flame ionization detection) : applied after derivatization, it allows sensitive and specific quantification.
• HPLC (high-performance liquid chromatography) : a reliable alternative for the separation and measurement of complex lipid fractions.

These approaches guarantee the reproducibility and accuracy of the results, in accordance with international standards.

Industrial applications

Cholesterol testing is essential in several sectors:

• Human nutrition : control of cholesterol levels in animal products (eggs, meat, dairy products).
• Nutraceutical : characterization of lipid extracts or food supplements intended to regulate cholesterol.
• Animal nutrition : monitoring the lipid quality of enriched diets.
• Cosmetics : cholesterol measurement in formulations (creams, skin care).
• Plant research : analysis of plant extracts containing sterols or cholesterols.

Affected matrices

• Food products of animal origin (eggs, meat, dairy products)
• Dietary supplements and nutraceutical formulations
• Serum or animal biological matrices
• Lipid extracts and oils
• Cosmetic products (creams, treatments)

Quality and compliance issues

• Checking cholesterol levels for regulatory nutrition labeling.
• Lipid profile monitoring for R&D in food and nutraceuticals.
• Quality control of cosmetic formulations containing sterols.
• Traceability and comparability of batches within a strict regulatory framework.

YesWeLab support

YesWeLab provides you with access to its network of accredited and certified partner laboratories (ISO 17025, COFRAC). We guarantee:

• Selecting the analytical methods best suited to your matrices (GC-FID, HPLC)
• Simplified sample submission via our digital platform
• Real-time monitoring of your analyses
• Reliable results that comply with industrial and regulatory requirements

Related analyses

• Total cholesterol measurement
• HDL cholesterol measurement ("good cholesterol")
• LDL cholesterol measurement ("bad cholesterol")
• Triglyceride levels