Scientists first identified canthaxanthin, a common yellow carotenoid pigment, in edible mushrooms. The chemical is also found in crustaceans, carp, green algae, Pacific salmon, herring and golden mullet. As a pigment medium and antioxidant, canthaxanthin has been approved for use by the U.S. Food Read More

Lutein, also known as phytolutein, is a carotenoid with the chemical formula C40H56O2. It is widely found in vegetables, fruits, flowers and other plants. Its chemical formula contains two ketone rings, which are found in the macula of the retina of human eyes. The main pigment lutein lutein functio Read More