蜂胶是蜜蜂从植物芽孢或树干上采集的树脂（树胶），混入其上腭腺、蜡腺的分

Propolis is a resin-like solid substance collected by bees from plant spores or tree trunks (gum) mixed with the secretions of the palate and wax glands. Propolis is an opaque solid with a smooth or rough surface. The broken surface is in the form of sand grains, and the cut surface is similar to the shape of marble. It is yellowish brown, tan, grayish brown, grayish green, dark green, and very few are dark like black. Has a special aroma.

Propolis is a kind of plastic solid with an aromatic odor that bees collect from plant spores or tree trunks and mix them into the secretions of their upper palate glands and wax glands. Propolis is opaque solid, smooth or rough surface, broken surface is sand grainy, cut and marble shape similar. It is tawny, sepia, taupe, gray-green, dark-green, and rarely dark-black. Special fragrance.

Propolis is a kind of colloidal solid with aromatic smell, which is made from the resin (GUM) collected by bees from plant spores or tree trunks, mixed with the secretion of palatal gland and wax gland. Propolis is an opaque solid with smooth or rough surface. Its fracture surface is sand like and its section is similar to marble. It is yellowish brown, brown, grayish brown, grayish green and dark green, and few of them are dark black. It has a special fragrance.<br>