Many interesting correlations among volatile compounds detailed
in Table 3 were evidenced. Their meaning is obviously an
open question. If confirmed in subsequent harvest years and
pedoclimatic conditions they would underscore causal links in
their biosynthetic pathways. In Table 6 we evidence the most
strong quantitative correspondences. For example, the Z-3-hexenal/
E-2-hexenal ratio is negatively correlated to the sum of C5
and C6 compounds, hat is in turn are negatively correlated to
the total terpenes content. At variance with previous results
(E)-2-hexenal (Inarejos-García et al., 2010) was not correlated with
the sum of C5 and C6 volatiles; 1-penten-3-one is linearly dependent
on (Z)-3-hexenal/(E)-2-hexenal ratio and negatively correlated
with (Z)-3-hexen-1-yl acetate and hexyl acetate.
Interestingly some LOX pathway compounds deeply interlocks
with each other; for example (Z)-3-hexen-1-yl acetate is obviously
positively correlated with hexylacetate.