Figure 1. Mean response score of wild-caught T. orientalis towards 10⁻³ M test stimuli (TS) and SW.

Different superscript alphabets indicate significant differences at P < 0.05 (number of replicate n = 14); vice versa. Vertical bars indicate standard error. Gly, Glycine; Gla, L-glutamic acid monosodium salt monohydrate; Bet, Betainel Arg, L-arginine; Lys, L-lysine; Asp, L-asparagine; Tau, Taurine; Pro, L-proline; Glu, L-glutamine; Met, L-methionine; Ala, L-alanine; Leu, Leucine; Iso, L-isoleucine; Thr, L-threonine; Phe, L-phenylalanine; Val, L-valine; His, L-histidine; Ser, L-serine. All chemicals were purchased from Sigma (St Louis, MO, USA).