Table 4.
Microbiological evaluation of the developed anti-ageing serum.
| Parameter | Standard | Result (CFU/g) |
Admissibility Limit (CFU/g) |
Concordance |
|---|---|---|---|---|
| Enumeration and detection of aerobic mesophilic bacteria | ISO 21149:2017 [41] | <10 | <100 | √ |
| Yeast and mold count | ISO 16212:2017 [42] | <10 | <10 | √ |
|
Staphylococcus aureus detection |
ISO 22718:2016 [43] | - | - | √ |
|
Candida albicans detection |
ISO 18416:2016 [44] | - | - | √ |
|
Escherichia coli detection |
ISO 21150:2016 [45] | - | - | √ |
|
Pseudomonas aeruginosa detection |
ISO 22717:2016 [46] | - | - | √ |
“-”—absent; CFU—colony-forming units.