Carotenoid: Quick Facts
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Why Are Flamingos Pink?xanthophyllCaroteneLipidIsoprenoidtetraterpenebiochromeSteroidProstaglandinLipoproteinPhospholipidSphingolipidCapsaicinterpeneabietic acidcamphorlimonene
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Key People
Paul Karrer
Swiss chemist
Richard Kuhn
German scientist