| They investigated the antigiardial activity of propolis in varying concentrations in an open trial in Cuba. |
| One to two parts of propolis were preferably crushed in ten parts of 35 proof ethanol. |
| He has given us light with wax, sustenance with honey and propolis, which is antiviral. |
| In recent years, the biological and pharmacological properties of propolis have begun to receive more attention in the scientific community. |
| Along with honey, bees produce a natural antibiotic called propolis which is a sticky substance that holds their comb together. |
| Bees carry pollen, nectar, or both, as well as propolis or water, back to the hive. |
