Transformation of resveratrol by dialyzed crude extracts of JS678 1.8 ± 0.2 μg of protein/ml of reaction (A) or by extracts of an E. coli clone containing pJS701 (0.13 ± 0.05 μg of protein/ml of reaction) (B). The given compounds were analyzed by HPLC, and NAD+ (1 mM) was added at the indicated time. Dashed line represents results with dialyzed extracts of an E. coli clone containing only the pET15a vector. Data represent the means and standard deviations from duplicate analyses. ♦, resveratrol; □, 3,5-dihydroxybenzaldehyde; Δ, 4-hydroxybenzaldehyde; ■, 3,5-dihydroxybenzoate; ▲, 4-hydroxybenzoate.