MUP Selective Supplement contains lithium mupirocin in lyophilized form. Lithium mupirocin selectively inhibits the growth of typical lactic acid bacteria from dairy products, such as Lactobacilli, Lactococci, Streptococci and Leuconostocs, while Bifidobacteria can grow uninhibited.

Appearance (clearness): clear

Testing as supplement in TOS-Propionat Agar (1.00043.0500).

Recovery on test medium

- Bifidobacterium animalis subsp. lactis ATCC 27536:

≥ 70 %

- Bifidobacterium breve ATCC 15700: ≥ 70 %

- Bifidobacterium longum ATCC 15707: ≥ 70 %

Growth

- Lactobacillus casei ATCC 393 (WDCM 00100):

no growth

- Lactobacillus delbrueckii subsp. bulgaricus ATCC 11842 (WDCM 00102): no growth

- Streptococcus salivarius subsp. thermophilus DSM 20259: no growth

Incubation: 72 hrs. at 37°C, anaerobic.