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Fig. 2 | Microbial Cell Factories

Fig. 2

From: De novo biosynthesis of pterostilbene in an Escherichia coli strain using a new resveratrol O-methyltransferase from Arabidopsis

Fig. 2

HPLC profile (A) and selected mass ion chromatogram (B) of bioconversion experiments. A HPLC profile of the standard caffeic acid (a), ferulic acid (b), resveratrol (c), pinostilbene (d), and pterostilbene (e); caffeic acid supplemented E. coli harboring pET-COM (C1) (f); resveratrol supplemented the C1 strain (g). The absorbance was monitored at 320 nm. B Selected mass ion chromatogram of (a) pterostilbene (m/z 257.15 [M + H]+) and (b) pinostilbene (m/z 243.03 [M + H]+) produced by resveratrol supplemented the C1 strain

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