Astaxanthin is a very potent antioxidant. Several studies have
shown that its activity can be several folds higher than that of other
antioxidants, for example B-carotene and Vitamin E. The powerful
antioxidant activity also can play a role in astaxanthin's enhancement
of immune responses, liver function and eye, joint, prostate, and heart
health. It can also be used in cardiovascular health, neurodegenerative
diseases and anticancer activity (Olaizola, 2008). Wakame (Undaria
pinnatifida) is one of the most popular edible seaweed in Japan and
has been found to contain 5–10% fucoxanthin apart from containing
polar lipids such as glycolipids.