alias name: ovoester;(3s,3’s)-astaxanthin we can see needle crystal with our naked eyes and if added to the water it can form red crystals. it is absolute a natural pigment abstracted from plants, algae,(e.g. haemtococcus pluvialis), trout, crustacea, salmon by modern biotechnology.widely used in carrot pigment. this product has been exported to eu, japan, usa, asia etc. the physical level and microbiological level can meet the export standards well.for avoiding fakes,this product already has normal enterprise no: q/kle231-2005. 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.