PROPOLIS
Upper airways 
Immune system Propolis is a resinous substance produced by bees from raw materials derived from various plant parts. Its biologically active constituents have antioxidant properties and act primarily on the immune system and respiratory tract.
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Detailed description
Propolis is a resinous substance produced by bees from raw materials derived from various plant parts: flowers, exudates, resins, gums and mucilage. The compounds produced by the plants are thus found in propolis. The chemical composition of propolis varies according to the geographical area of collection, the botanical resources available to the bees, the season and the bee species.
Bees use propolis to seal the cracks in the hive and protect it from external invaders (insects, fungi, bacteria), as well as to stabilize temperature and humidity.
In many cultures, propolis has long been recognized for its medicinal properties, notably as a preservative and wound-healing agent.
In general, propolis contains mainly lipids (50%), beeswax (30%), essential oils (10%), pollen (5%) and organic components (5%). The latter include flavonoids, including quercetin and chrysin, polyphenols, terpenoids, coumarins, amino acids and aromatic acids. These biologically active constituents of propolis have a wide range of antioxidant properties, acting on the immune system, the respiratory tract, cardiac function and gastrointestinal disorders.