Table II. Major products in 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 | β-Cryptoxanthin |
---|---|---|
CYP97A4 | 11.08 ± 1.21 | 26.19 ± 0.53 |
CYP97C2 | ND | 0.78 ± 0.12 |
HYD4 | 29.34 ± 3.86 | 24.14 ± 1.92 |
Empty vector control | ND | ND |