BPW
| Turbidity (1-2) |
MKTTN
| > 10 colonies on XLD | ||
| Partial inhibition ≤100 colonies on TSA | ||
| < 10 colonies on TSA |
MSRV
| Grey-white turbid zone extending out from inoculated drop(s). After 24-48h, the turbid zone(s) will be (almost) fully migrated over the plate | ||
| Possible growth at the place of the inoculated drop(s) without a turbid zone | ||
| No growth |
RVS
| Salmonella typhimurium + Escherichia coli + Pseudomonas aeruginosa | ||
| see for criteria CRM-ST | ||
| For the multi-strain control – See criteria CRM-ST For the single stain control – Partial inhibition ≤ colonies on TSA | ||
| < 10 colonies on TSA |
XLD
| Good growth (2) | ||
| Growth or partial inhibition (0-1)
| ||
| Total inhibition (0) |
Triple Sugar Iron agar (TSI)
| Butt Slant surface | ||
| Butt Slant surface | ||
| Butt Slant surface |
Urea agar
| Positief reaction: Liberation of ammonia with colour change to rose/rose-pink/deep cerise | ||
| Negative reaction: No liberation of ammonia, no change of colour |
L-Lysine decarboxylation medium (LDC)
| Positive reaction: Medium remains purple after incubation and is turbid | ||
| Negative reaction: Medium changes from purple to yellow |
Saline solution with toluene and β-Galactosidase reagent
| Positive reaction: Yellow colour | ||
| Negative reaction: No colour change |
Indol reaction medium / reagent
| Positive reaction: Formation of red ring within 10 min | ||
| Negative reaction: Yellow / brown ring within 10 min |
CRM-SAG (Salmonella agona) is a lactose positive strain.
For performance testing of Urea agar and L-Lysine decarboxylation medium, Proteus mirabilis WDCM 00023 is not available in the Biosisto collection. If you need this strain, please get in touch with us.