Are you going to wholesale d-alpha tocopherol oil from a professional d-alpha tocopherol oil producer and supplier? it is one of the well-known d-alpha tocopherol oil manufacturers in China, welcome to contact our factory.D-alpha Tocopherol(1000iu-1430iu) is a clear, amber color, viscous oil having a slight characteristic vegetable oil aroma and a mild taste. d-alpha Tocopherol(1000iu-1430iu) may oxidize upon exposure to air and light, resulting in gradual darkening. Nitrogen blanketing and protection from light, from heat, from transition metals, and from alkalis are recommended. d-alpha Tocopherol(1000iu-1430iu)is derived from IP-certified, not genetically modified raw materials.Product Standards: Item: Value: Appearance Clear, amber, viscous oilCertified Kosher, IP and ISO9001,ISO22000,IP(NON-GMO),Kosher,HALAL YesColor, Gardner10Odor Typical vegetable oilacidityMax.1mlPotency, IU/g 1000-1430acidityMax.1mlSpecific Rotation, [a]d25, Degrees  24Taste Mild, characteristicTocopherols, d-alpha, 67.15% - 102