organic acids, tartaric, acetic, citric, ascorbic, valeric, sugar, fructose, glucose, sucrose, tannins, soluble pectin, tyrosine, potassium salts, as well as Anthocyanic glycosides, retinol.Diaphoretic for colds, they rinse their mouth and throat when laryngitises and angina. Has a tonic, diaphoretic, expectorant, laxative, diuretic effect. Used for rheumatism. Unripe fruit of elderberry are poisonous, they act as a strong diuretic and laxative and contain prussic acid, ripe - completely safe and edible.