... belonging to carotene, is a kind of oily liquid refined from chilies under the process of making granulation, precritical extraction, concentration, ... ethanol, ethyl acetate, Insoluble in water; stable under light, heat and PH value is stable.Quality Index: Color value 10 ... the customers,requirements.Storage and validity: Protect from light and heat, store in dark, cool, airproof and dry conditions. ...