The effec
t of
the addi
tion of
two na
tural an
tioxidan
t ex
trac
ts (sage and rosemary essen
tial oils) andone syn
the
tic (BHT) on
the genera
tion of vola
tile compounds in liver p&
acirc;
t&eacu
te;s from Iberian and whi
tepigs was analyzed using SPME-GC-MS. Lipid-derived vola
tiles such as aldehydes [hexanal, oc
tanal,nonanal, hep
t-(
Z)-4-enal, oc
t-(
E)-2-enal, non-(
Z)-2-enal, dec-(
E)-2-enal, deca-(
E,
Z)-2,4-dienal] andalcohols (pen
tan-1-ol, hexan-1-ol, oc
t-1-en-3-ol) were
the mos
t abundan
t compounds in
the headspaceof porcine liver p&
acirc;
t&eacu
te;s. P&
acirc;
t&eacu
te;s from differen
t pig breeds presen
ted differen
t vola
tiles profiles due
to
their differen
t oxida
tion suscep
tibili
ties as a probable resul
t of
their fa
tty acid profiles and vi
tamin Econ
ten
t. Regardless of
the origin of
the p&
acirc;
t&eacu
te;s,
the addi
tion of BHT successfully reduced
the amoun
tof vola
tiles derived from PUFA oxida
tion. Added essen
tial oils showed a differen
t effec
t on
thegenera
tion of vola
tiles whe
ther
they were added in p&
acirc;
t&eacu
te;s from Iberian or whi
te pigs because
theyinhibi
ted lipid oxida
tion in
the former and enhanced oxida
tive ins
tabili
ty in
the la
tter. SPME successfullyallowed
the isola
tion and analysis of 41 vola
tile
terpenes from p&
acirc;
t&eacu
te;s wi
th added sage and rosemaryessen
tial oils including
![](/images/gifchars/alpha.gif)
-pinene,
![](/images/gifchars/be<font color=)
ta2.gif" BORDER=0 ALIGN="middle">-myrcene, 1-limonene, (
E)-caryophyllene, linalool, camphor, and1,8-cineole, which migh
t con
tribu
te
to
the aroma charac
teris
tics of liver p&
acirc;
t&eacu
te;s.Keywords: Liver p&
acirc;
t&eacu
te;s; fa
tty acids; lipid-derived vola
tiles; vola
tile
terpenes; rosemary; sage; BHT