... more bee propolis was collected from the tree bud and bark by bees, then mixed secretion of bee tongue gland and ... in hepatits, hepatocirrhosis, astriction, polypi, bilestone etc.Nature Bee propolis Extract Paste, with Propolis Content 98%, Flavonoid 15%, antibiotics free. Heavy ... , Japan, American Standard. Product Picture:Our Factory:COA: pure propolis extract