Product Name: Elderberry Extract Active Ingredient: Anthocyanidins Appearance: Purple black to dark purple fine powder Heavy Metal: Meets food raw material safety limits Microbiological Index: Conforms to food grade microbial standards Packaging: 1kg aluminum foil bag, 25kg fiber drum with inner PE bag, sample packing available Storage: Seal tightly, store in cool dry dark place, avoid moisture heat and direct sunlight Shelf Life: 24 months under proper storage conditions