ISO/TC 34/SC 5
| Project No. | ISO 7889:2026 |
|---|---|
| Title | <p><span lang="EN-GB">This document specifies a method for the enumeration of the characteristic microorganisms Lactobacillus delbrueckii subsp. bulgaricus (in short: L. bulgaricus) and Streptococcus thermophilus (in short: S. thermophilus) by means of the colony-count technique.</span></p> <p><span lang="EN-GB">The method is applicable to yoghurts (for the definition see CXS 243‑2003[7]).</span></p> <p><span lang="EN-GB">The colony-count technique (pour plates) is suitable for, but not limited to, the enumeration of L. bulgaricus and S. thermophilus in test samples with a minimum of 10 colonies counted on a plate. This corresponds to a level of the characteristic microorganisms L. bulgaricus and S. thermophilus that is expected to be higher than 100 cfu/g.</span></p> <p><span lang="EN-GB">The colony-count technique (spread plates) is suitable for, but not limited to, the enumeration of L. bulgaricus and S. thermophilus in test samples with a minimum of 10 colonies counted on a plate. This corresponds to a level of the characteristic microorganisms L. bulgaricus and S. thermophilus that is expected to be higher than 1 000 cfu/g.</span></p> |
| Registration number (WIID) | 81032 |
| Scope | <p><span lang="EN-GB">This document specifies a method for the enumeration of the characteristic microorganisms Lactobacillus delbrueckii subsp. bulgaricus (in short: L. bulgaricus) and Streptococcus thermophilus (in short: S. thermophilus) by means of the colony-count technique.</span></p> <p><span lang="EN-GB">The method is applicable to yoghurts (for the definition see CXS 243‑2003[7]).</span></p> <p><span lang="EN-GB">The colony-count technique (pour plates) is suitable for, but not limited to, the enumeration of L. bulgaricus and S. thermophilus in test samples with a minimum of 10 colonies counted on a plate. This corresponds to a level of the characteristic microorganisms L. bulgaricus and S. thermophilus that is expected to be higher than 100 cfu/g.</span></p> <p><span lang="EN-GB">The colony-count technique (spread plates) is suitable for, but not limited to, the enumeration of L. bulgaricus and S. thermophilus in test samples with a minimum of 10 colonies counted on a plate. This corresponds to a level of the characteristic microorganisms L. bulgaricus and S. thermophilus that is expected to be higher than 1 000 cfu/g.</span></p> |
| Status | Standarts spēkā |
| ICS group | 07.100.30 67.100.99 |