Propolis is a glue, prepared by honeybees from plant materials to stick their hives on the
beehive wall. It has gained popularity in Japan as a healthy drink and people believe that
propolis can cure inflammation, heart diseases and even diabetes and cancer. We have
evaluated the β-cell protective effect of propolis against the toxicity of streptozotocin (STZ) in
rats. The water extract of propolis (PWE) completely protected β-cell destruction against STZ
toxicity. The protective effect of PWE was found to be almost equal to that of nicotinamide …