Gamma-Linolenic acid, Purity: 85% 80% by GC Appearance: A pale yellow to yellow liquid Antioxidant: Antioxidants are not added to the oil but can be added at the customer request. Packaging: Gamma linolenic acid 80% is packaged in 50 kg net drum. Storage: The oil should be stored at a cool (under 4) and dry place, protected from light. Origin: Made in China Packing: Alumium Tin