Amino nitrogen dosage

Amino nitrogen analysis is essential for assessing the content of free or combined amino acids in a given matrix. These compounds play a key role in nutrition, metabolism, and the quality of food and nutraceutical products. Amino nitrogen measurement is also used as an indicator of fermentation and maturation in various food and beverage processes, for example, in the production of wine, beer, dairy products, or fortified flours.

Analytical methods used

This analysis is based on different technical approaches:

• colorimetric methods based on reaction with ninhydrin or other reagents,
• HPLC after derivatization provides precise quantification of individual amino acids
• UV-Vis spectrophotometry used for rapid and standardized measurements.

Matrices involved

Amino nitrogen analysis applies to a wide variety of matrices such as raw or processed foodstuffs, plant and animal raw materials, extracts from industrial fermentations, animal feed or nutritional supplements.

Industrial and nutritional applications

In the animal nutrition sector, this parameter is monitored to assess the nutritional value of forages and formulations.
In human nutrition and nutraceuticals, it allows for the control of protein quality and amino acid bioavailability.
Finally, it is used as a fermentation marker in winemaking and brewing, where the availability of assimilable nitrogen influences yeast activity and the final product quality.

YesWeLab's expertise

At YesWeLab, we work with a network of specialized partner laboratories, ISO 17025 certified and often COFRAC accredited. Our team selects the most suitable analytical method based on your needs, matrices, and regulatory requirements. You benefit from reliable, interpretable, and directly usable results.

Additional analyses

Amino nitrogen analysis can be complemented by other analytical services such as amino acid analysis, Kjeldahl total nitrogen (KTN) analysis, protein analysis, or fermentation analysis.

Why choose YesWeLab

Since 2020, YesWeLab has been supporting food processing, animal nutrition, and nutraceutical companies with their analytical needs. Our digital platform allows you to easily and securely order analyses, track samples, and view results.

Contact our scientific team today for any specific inquiries regarding amino nitrogen assay.