Active ingredient:　Anthocyanidins, flavone content:　[Anthocyanidins: 15% 25% ; flavone: 15% 25%] detection method:　UV packaging :　cardboard drums, with double aseptic food poly bags inside. Or by cartons, with vacual aseptic food poly bags inside, 20kgs per carton with 8 bags inside,2.5kg per bag. The Elder tree berry has been used for centuries as a natural intestinal cleanser. 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. Herbalists praise Elderberry as an invigorating, rejuvenating general tonic. welcome to visit our website and contact with me. tsubara(sales2@lgberry.com.cn)