Propolis or propolis is a resinous mixture produced by bees by mixing saliva and beeswax with exudate collected from tree buds, sap, or other plant sources. It is used as a sealant for unwanted open spaces in beehives. Propolis is used for small gaps (about 6 mm (1⁄4 in) or less), while gaps larger

The composition of propolis varies by hive, region and season. [6] Typically, it is dark brown, but can also be green, red, black, and white, depending on the source of the resin found in a particular hive area. Honey bees are opportunists, gathering what they need from available resources, and deta

Propolis extract ​is extracted from propolis. The extract contains more than 20 kinds of flavonoids, as well as phenols, lactones, coumarin, aldehydes, ketones, steroids and other compounds, as well as vitamins, amino acids, enzymes and various trace elements.

The main ingredients of Propolis extract are flavonoids, dilutes, organic acids, aromatherapy, and various amino acid enzymes, vitamins, minerals, etc. The complex effective ingredients in Propolis extract are the material foundation of excellent natural health products and drugs.