Protein Determination in Probiotic Drink According to the Kjeldahl Method

22 Sept 2015

A probiotic is a live microbial food ingredient that beneficially affects the host through its effects in the intestinal tract. These products favorably influence digestive functions and colonic flora. This application note describes a method for protein determination in probiotic drinks following the Kjeldahl method. Kjeldahl is nowadays the most used method for determining nitrogen and protein contents in foods and feeds, thanks to the high level of precision and reproducibility and to its simple application.

DKL Series and DK Series - Kjeldahl Digesters

Velp Scientifica

DK Series digesters are traditional digesters, consisting of an aluminum heating block to offer high thermal homogeneity. The DKL Series of digesters offers a premium level of automation: lowering and lifting of the samples take place automatically, as well as the separation between the test tubes and the suction cup. VELP digesters work in accordance with a variety of Standards (such as AOAC, ISO, EPA, DIN etc.)

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UDK Series - Kjeldahl Distillation Units

Velp Scientifica

The UDK Series Distillers are designed to meet the most challenging demands and requirements for diverse applications, according to international standards: Kjeldahl nitrogen TKN, proteins, ammoniacal nitrogen, nitric nitrogen (Devarda), phenols, TVBN and volatile acids, cyanides, and alcohol content. 

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Protein Determination in Probiotic Drink According to the Kjeldahl Method