DSM tests probiotic stability

Related tags Dsm food specialties Probiotic Lactobacillus Gut flora

A probiotic strain developed by DSM is more stable at room
temperature than competing products, says the company, although it
has declined to disclose numbers to support the claims.

DSM​ says it has assessed the stability of its Lactobacillus acidophilus​ (LAFTI L10) strain at room temperature over almost 18 months and found the decline in bacteria each month to be far lower than in the three to five market leaders.

Stability of probiotics is particularly important for supplements as they are often stored at room temperature for long periods compared to dairy products that are chilled and consumed much more quickly.

"In a year the bacteria can go from a hundred billion to one billion, although it is not easy to estimate the typical decline over time. This depends on a lot of different factors, including the matrix and the strain itself,"​ Nelleke van Oorschot, technical service officer of DSM Food Specialties, told NutraIngredients.com.

DSM formulated its Lafti L10 strain, previously used in dairy products, for supplement use in 2003, adding a coating to the powder formulation that helps protect the bacteria from environmental factors and improve its stability.

"The efficacy of the Lafti strain and its survival in the gastro-intestinal tract have already been demonstrated in several trials. With the latest results from stability trials, we are in a position to provide manufacturers with clear and transparent stability statements which define what residual cell count can be expected after storage at typical temperatures,"​ added van Oorschot.

The other Lafti​ strains, Bifidobacterium lactis LAFTI B94 and Lactobacillus casei LAFTI L26), are also expected to be made available to supplement makers.

Lafti L10 for dietary supplements is available from DSM's Nutritional Products unit. Food makers should go through DSM Food Specialties.

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