... Plant Constituents of Rosehip Contains: calcium, citrates, citric acid, iron, malates, malic acid, niacin, organic acids, pectin, phosphorus, resin, salts, sugar ... (2) astringent [a binding agent that contracts organic tissue, reducing secretions or discharges of mucous and fluid ... cleans out the Kidneys and Bladder; eliminates uric acid accumulations, helping with gout and rheumatic complaints; fluid ...