Elderberry, also known as Black Elder, Boor Tree, Bountry, Elder, Ellanwood, Ellhorn, European Elder, and German Elder, grows in Europe and North America. The Elder tree berry has been used for centuries as a natural intestinal cleanser and a natural remedy for common ailments such as coughs and colds. Both the flower and the berry possess powerful antioxidant properties that help protect your health by attacking harmful free radicals that damage cells. Elderberries also nourish the circulatory system. A study in humans determined that an extract of Elderberries is an effective treatment for influenza. Product Name: Elderberry Extract Powder Botanical Name: SambucuswilliamsiiHance Specification: 1. Anthocyanidins 5%, 10%, 15%, 20%, 25% UV 2. Extract Ratio: 4:1, 10:1, 20:1 Action: 1) Protect and regenerate retinal purple (rhodopsin), and cure patients with eye diseases such as pigmentosa, retinitis, glaucoma, and myopia, etc. 2) Prevent the cardiovascular diseases; 3) Quench free radical, antioxidant, and anti-aging 4) A treatment for mild inflammation of the mucous membranes of mouth and throat 5) A treatment for diarrhea, enteritis, urethritis, cystitis and virosis rheum epidemic, with its antiphlogistic and bactericidal action.