The rosehips from dog rose (Rosa canina) are one of the richest plant sources of vitamin C, with about 1700 to 2000 milligrams per 100 grams in the dried product. In contrast, an orange contains 50 milligrams of vitamin C per 100 grams and a kiwifruit 90 milligrams per 100 grams.In addition, Rosehips have a high content of vitamin A, calcium and iron. In addition, Rose hips are rich sources of bio flavonoids, pectin, vitamin E, selenium, manganese, and B complex vitamins, and contain moderate amounts of magnesium, phosphorus, potassium, sulphur and silicon.
Danish and Norwegian studies have found that rosehip seed powder reduces pain and improves movement for osteoarthritis sufferers and that the anti-inflammatory and antioxidant coIn addition, Rosehips have a high content of vitamin A, calcium and iron. In addition, Rose hips are rich sources of bio flavonoids, pectin, vitamin E, selenium, manganese, and B complex vitamins, and contain moderate amounts of magnesium, phosphorus, potassium, sulphur and silicon.mpounds in rosehip may help to reduce symptoms of rheumatoid arthritis, Crohn's and heart disease. A 1983 study at the University of Santiago in Chile found that rosehip seed oil reduced the appearance of scars, wrinkles and UV damage.