
Microbiological quality testing is an important part of pharmaceutical quality control. Pharmaceutical products and non-sterile materials must be monitored for microbial contamination to ensure that their quality and safety remain within established requirements.
Two important microbiological tests used for microbial enumeration are TAMC and TYMC.
TAMC stands for Total Aerobic Microbial Count, while TYMC stands for Total Yeasts and Moulds Count.
Although both tests are used to assess microbial quality, they target different groups of microorganisms.
๐๐ก๐๐ญ ๐๐ฌ ๐๐๐๐?
TAMC is a microbiological enumeration test that estimates the number of viable aerobic microorganisms
It primarily provides information about the level of aerobic bacteria and other microorganisms capable of growing under the prescribed conditions.
๐๐ก๐๐ญ ๐๐ฌ ๐๐๐๐?
TYMC is an enumeration test that estimates the number of viable yeasts and moulds
Yeasts and moulds are fungi that can contaminate pharmaceutical materials and products.
| PARAMETERS | TAMC | TYMC |
| Target Organisms | Aerobic bacteria | Yeasts and molds (fungi) |
| Growth Media | Uses Soybean-Casein Digest Agar (SCDA). | Uses Sabouraud Dextrose Agar (SDA) |
| Incubation Temperature | 30ยฐC to 35ยฐC. | 20ยฐC to 25ยฐC |
| Incubation Duration | 3 to 5 days. | 5 to 7 days |
| Acceptance Limits | Generally, allows higher colony-forming unit (CFU) thresholds | Generally, has stricter, lower limits |
๐๐๐๐ ๐๐ง๐ ๐๐๐๐ ๐ข๐ง ๐๐ก๐๐ซ๐ฆ๐๐๐๐ฎ๐ญ๐ข๐๐๐ฅ ๐๐ฎ๐๐ฅ๐ข๐ญ๐ฒ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ
TAMC and TYMC are valuable tools for monitoring the microbiological quality of applicable non-sterile pharmaceutical products and materials.
They can help organizations:
- Monitor microbial quality
- Detect potential contamination
- Support raw material qualification
- Monitor manufacturing processes
- Evaluate product quality
- Support investigations and trending
- Maintain appropriate microbiological control


