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. 2012 Jul 11;160(1):204–214. doi: 10.1104/pp.112.198556

Table I. Major products in α- and β-carotene-accumulating E. coli with individually expressed hydroxylases.

Values are expressed as a percentage of total carotenoids. Each value is the mean of three replicates ± sd. ND, Not detectable.

Hydroxylase Zeaxanthin α-Cryptoxanthin Zeinoxanthin β-Cryptoxanthin
CYP97A4 3.38 ± 0.27 ND 13.63 ± 2.97 16.76 ± 2.14
CYP97C2 ND 0.71 ± 0.21 ND 1.14 ± 0.30
HYD4 30.74 ± 1.85 ND 23.03 ± 2.72 24.03 ± 0.36
Empty vector control ND ND ND ND