... .Assay: 5%, 10% Oil, 3.Dark red liquid 4.Packing in 1KG/Metal bottle seale Natural Astaxanthin ... oilAssay5%, 10% OilAppearanceDark red liquid, soluble in oils and fatsHeavy metals(as lead)8 ... to avoid direct contact, inhalation or digestionApplication:Nutritional supplement, nutrition enhancer, dietary supplements, heatlh food additives, pharmaceutical raw material. ...