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. 2016 Sep 1;6:32537. doi: 10.1038/srep32537

Figure 2. FAC composition and content in oral secretions from M. loreyi and P. guttata.

Figure 2

(a) Caterpillars (left) and adults (right) of M. loreyi (OSMYL) and P. guttata used in experiments. (b) FAC composition in oral secretions from M. loreyi (OSMYL) and P. guttata (OSPAG) determined by LC-MS operating in negative scan MS mode (m/z range 150–1000); typical extracted ion chromatograms (EICs) of similarly diluted OSMYL and OSPAG samples are shown at unified y-axes scales for direct comparison. (c) The FACs in individual isolates of OSMYL and OSPAG were determined as above and total FAC concentration in each batch of OS were estimated by pooling individual FAC peaks, and using synthetic FAC, N-linolenoyl-L-Gln as calibration standard. “nd” refers to samples with no FAC detected. Data (n = 3) are shown as means ± SD.