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. 2021 Mar 2;20:54. doi: 10.1186/s12934-021-01543-0

Fig. 4.

Fig. 4

Identification of the absolute configuration of linalool. a GC–MS profiles with a chiral column. Black line, standard of racemic linalool; Red line, standard of (R)-linalool; Blue line, linalool produced by SWITCH-PphoCΔgcd/pBLAAaLINS-ispA*. b Mass spectrum of the peak of (S)-linalool in the racemic linalool reagent, which is indicated with black arrow (peak 1). c Mass spectrum of the peak of linalool produced by strain SWITCH-PphoC Δgcd/pBLAAaLINS-ispA*, indicated with blue arrow (peak 2)