Propolis, as a brownish red, brownish yellow chocolate brown or green viscous solid, is a mixture of resins collected by honeybee from young bud or bark wound of propolis plants, beeswax and secretion from mandible. 蜂胶是蜜蜂从外界的胶源植物的嫩芽或树皮伤口上采集的树脂,并混入蜜蜂上颚腺物和蜂蜡而成的一种棕红色、棕黄色、棕褐色或带有青绿色的粘性固体。