Table 1.
The quality control assays on propolis sample and its extracts
| Result (unit) | Conducted assay |
|---|---|
| brown | Sample color |
| 26.2 (%) | Total polyphenol content |
| Negative (cfu/g) | E. coli growth |
| Negative (cfu/g) | Staphylococcus aureus growth |
| Negative (cfu/g) | Pseudomonas Sp. growth |
| Negative (cfu/g) | Aspergillus growth |
| 55.8 (%) | Dried mass |
| 16.3 (%) | Total carbohydrate content |
| 0.5 (%) | Total protein content |
| Positive | Free amino acid (detected by TLC) |
| Positive | Free sugars (4 and 5 carbon detected by TLC) |
| 2.35 (%) | Insoluble substances in 10% alcohol |
| 2.87 (%) | Reduced sugar |
| 0.1 (%) | Dry substance of saturated aqueous extract (0% ethanol) |
| 0.5 (%) | Dry substance of propolis hydroalcoholic extract (40% ethanol) |
| 0.3 (%) | Dry substance of propolis hydroalcoholic extract (15% ethanol) |