... Jelly substance by bees.The basic ingredient of propolis are tree balm compound, phenol substance and ... , astriction, polypi, bilestone etc.Nature Bee propolis Extract Paste, with Propolis Content 98%, Flavonoid 15%, antibiotics free. Heavy ... Propolis Content: 60%,70%,80% Flavonoid 9%,12%, 15%antiboitics meet EU, Japan, American Standard. Product Picture:Our Factory:COA: pure propolis extract ...