Omega-3 fatty acid dosage

Omega-3 fatty acids are polyunsaturated fatty acids essential for many physiological functions. The most studied are alpha-linolenic acid (ALA, C18:3), eicosapentaenoic acid (EPA, C20:5), and docosahexaenoic acid (DHA, C22:6). These molecules play a key role in cardiovascular health, inflammation regulation, and nervous system function.

Their dosage is an essential step for the food, nutraceutical and animal nutrition industries, in order to guarantee the quality of enriched products or to enhance the value of raw materials rich in omega-3.

Importance of omega-3 dosage

Quantifying omega-3 fatty acids allows us to:

• verify the conformity of products to nutritional claims
• compare the quality of oils and plant extracts (flax, chia, walnut, algae),
• to evaluate the effectiveness of nutraceutical formulations enriched with EPA/DHA,
• to monitor the stability of oils and powders during storage,
• determine the nutritional intake in animal feed.

In a context where the demand for omega-3 enriched products continues to grow, this dosage provides a guarantee of reliability for manufacturers and distributors.

Analytical techniques used

The analysis is generally performed by gas chromatography-FID after esterification of the fatty acids. This method allows for fine separation and precise quantification.

Depending on the needs, a complementary analysis by GC-MS can be used to confirm the identification of fatty acids present, particularly in complex or low-concentration matrices.

The results can be expressed as a relative percentage of each fatty acid in relation to the total lipids, or as an absolute concentration (mg/g).

Matrices analyzed

Omega-3 fatty acid analysis is applicable to many matrices:

• vegetable oils rich in ALA (flaxseed, chia, rapeseed, walnut),
• marine and algae oils rich in EPA and DHA,
• protein powders or plant extracts,
• food supplements (capsules, softgels, liquid formulations),
• functional foods (margarines, fortified dairy products, beverages),
• animal nutrition products (food for fish, poultry, cattle).

Industrial applications

• Agri-food sector: promotion of vegetable oils and products enriched with omega-3
• Nutraceuticals: quality control of food supplements and functional ingredients,
• Animal nutrition: formulation of feeds rich in essential fatty acids to improve growth and health,
• Research and development: clinical or preclinical studies on omega-3 intake.

Related analyses in the YesWeLab catalog

Omega-3 levels can be supplemented by other analyses offered by YesWeLab:

• Peroxide value for assessing oil oxidation,
• Acid value to measure free fatty acids and rancidity,
• TBARS as an indicator of lipid oxidation in food and fats.

YesWeLab Expertise

YesWeLab relies on a network of accredited partner laboratories (ISO 17025, COFRAC) to guarantee reliable and compliant results. Our experts support you in:

• choosing the method best suited to your matrices,
• defining the analytical parameters according to your objectives,
• the interpretation of results for your formulation, quality control or regulatory compliance projects.

Thanks to our digital platform, you benefit from simplified management: requesting quotes, tracking samples and retrieving results securely.