Propolis
Propolis προ „for“ y πόλις „city“ is a wax-like resinous substance collected by honey bees from tree buds (e.g. poplar) or other plant-related sources and used as cement and to seal cracks or open spaces in the beehive. It can also kill bacteria.
Propolis Media
Propolis, produced by the western honey bee (Apis mellifera)
Propolis drops in red (units in micrometers)
