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.

HydroxylaseZeaxanthinα-CryptoxanthinZeinoxanthinβ-Cryptoxanthin
CYP97A43.38 ± 0.27ND13.63 ± 2.9716.76 ± 2.14
CYP97C2ND0.71 ± 0.21ND1.14 ± 0.30
HYD430.74 ± 1.85ND23.03 ± 2.7224.03 ± 0.36
Empty vector controlNDNDNDND