What is propolis made of?

Propolis is a viscous, solid, gelatinous substance made from plant resins collected by worker bees of the Italian bee, family Apis mellifera, and mixed with secretions from their wax glands and palatine glands.
Propolis contains calcium, iron, potassium, magnesium, selenium, manganese, cobalt, molybdenum and other mineral elements, in addition, propolis is also rich in a variety of organic acids. Therefore, propolis has a high nutritional value and can be a good supplement for the human body.
As a proprietary Chinese medicine, propolis is bitter, pungent and cold, and belongs to the spleen and stomach meridians. It has the effects of tonifying weakness, resolving turbid fat, and quenching thirst; it can be used externally to detoxify and eliminate swelling, and astringent and regenerate muscle. Propolis can be used in the treatment of premature aging, hyperlipidemia, thirst; external use can be used to treat chapped skin, burns.
The adverse reactions and contraindications of propolis are not clear, but it is best to consume propolis under the guidance of a doctor to eat in moderation, not to overdose, allergic individuals should be used with caution, once an allergic reaction should be discontinued in a timely manner, and the seriousness of the problem should be promptly sought medical attention.