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蜂胶(Propolis)是蜜蜂采集一些高大乔木的稚嫩芽苞和树干的树脂,并混入它的上颚腺分泌物和蜂蜡等加工而成的一种具有芳香气味的黄褐色或黑褐色的胶状固体物。其特点是在低温时变硬、变脆,并随温度的升高逐渐变软,且具有粘性。蜜蜂采集蜂胶不仅为了填补巢内裂缝,防止病敌害侵扰,而且是蜜
Propolis is a fragrant yellowish-brown or dark brown jelly-like solid that bees pick up from the immature buds and trunk resins of tall trees and mixed with its mandibular gland secretions and beeswax. . It is characterized by hardening at low temperature, brittle, and with the temperature gradually softened, and has a sticky. Bees collect propolis not only to fill the cracks in the nests to prevent the infestation of sick predators, but also honey