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. 2012 Apr 30;7(4):e36433. doi: 10.1371/journal.pone.0036433

Figure 2. Amounts of volatile compounds formed by intact, disrupted, and partially wounded leaves of Arabidopsis (No-0).

Figure 2

Peaks: 1, 1-penten-3-one; 2, n-hexanal; 3, 2-pentenal*; 4, 2-pentenal* (probably a geometrical isomer of compound 3); 5, (Z)-3-hexenal; 6, 1-penten-3-ol; 7, (Z)-2-hexenal*; 8, (E)-2-hexenal; 9, (Z)-3-hexenyl acetate; 10, (Z)-2-pentenol; 11, n-hexanol; 12, (E)-3-hexenol*; 13, (Z)-3-hexenol; 14, 4-oxo-(E)-2-hexenal*; 15, 4-hydroxy-(E)-2-hexenal. Asterisks indicate compounds that were tentatively identified based on MS data (according to the NIST library). Compounds without asterisks were identified from retention indices and MS of corresponding authentic specimens. Inset: amounts of major volatile compounds quantified from corresponding calibration curves. Error bars represent SE (n = 3). Data were analyzed by Tukey's test. Different letters above the bars indicate significant differences among treatments for each compound (P<0.05).