LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Astaxanthin. Molecular model of the keto-carotenoid molecule astaxanthin (C40.H52.O4). A natural nutritional component, it is not converted to vitamin A in the human body. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration.
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