DEFINITION

Haematococcus pluvialis Powder is cell wall crushed, dried, algal biomass powder from cultures of microalgae Haematococcus pluvialis (Fam. Haematococcaceae). It consists mainly of 3S,3′S stereoisomers of astaxanthin in the monoester, diester, and free forms as active compounds. The monoester form is the most abundant, followed by the diester form. The free form is a minor component. It contains NLT 4.5% of total astaxanthin, calculated as free astaxanthin on the anhydrous basis. It may contain added substances as antioxidants.