Astaxanthin Astaxanthin is a lipid–soluble, reddish–orange pigment that belongs to a group of carotenoids called xanthophylls, which includes β–cryptoxanthin, canthaxanthin, lutein and zeaxanthin [1]. It is obtained from primary sources such as higher plants; microscopic phytoplankton algae Haematococcus pluvialis, Chlorella zofingiensis, Chlorococcum sp.; and some microorganisms, i.e., Xanthophyllomyces dendrorhous (anamorph Phaffia rhodozyma) yeasts and bacteria[Read…]