(info at dxalherbextract dot com) the alias name: β-carotene-3, 3'-diol, meso-zeaxanthin character: it is metalescent yellow rhombus tabular crystal, extracted from ethanol with our naked eyes. it is hardly dissolve in water. origin: it is pure natural pigment and consist in corn, spinage, eggs, fishes, algae, etc. many kinds of plants and animals by modern biotechnology. purpose: widely used in medicine and foodstuff industry as natural colorant this product has been exported to eu, japan, usa, asia etc.. the physical level and microbiological level can meet the export standards well. package: cardboard drums, with double aseptic food poly bags inside. or by cartons, with vacual aseptic food poly bags inside, 20kgs per carton with 8 bags inside, 2.5kg per bag.