Magnolia bark extract series are our feature products and the following are the detailed description: Plant Part Used: bark (Dried, 100% Natural) Type of Extraction: Supercritical Carbon Dioxide Extraction Applications: 1.Pharmaceuticals (Chinese patent medicine or botanical ); 2.Health-care food, antioxidant food, and chutty; 3.Comestics and daily chemicals. (skin ointment, toothpaste, mouth wash) Packing and Storage: HDPE bottle or barrels. Net weight:25 kg. It is better to store at low temperature in a filled nitrogen containeriner away from moisture and sunlight.