AOAC SPDS Mid Year 2016
2. Zeaxanthin
o β,β‐Carotene‐3,3'‐diol; dietary o Zeaxanthin differs from lutein only by placement of single double bond. o Commercial and supplemental roles • Also accumulates in human retina; predominates in macula lutea • Reportedly rescues AMD • Colors white egg yolks yellow • Colorant (E161h) o Structure
o Proposed daily dose: 2 mg
3. β-Cryptoxanthin
o (3R,3’R,6’R)‐β,ε‐Carotene‐3,3’‐diol; dietary o Commercial and supplemental roles • Provitamin in humans; converted to vitamin A • Possible antioxidative DNA protection, bone health, others • Colorant (E161c) in Australia and New Zealand; not in US or EU o Structure
o Proposed daily dose: 4 mg
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