7
Matrix
Base esterified-FAMEs using
KOH / methanol (Figure 2)
Acid esterified- FAMEs using
BF
3
-methanol (Figure 3)
Butter
-
(6) C12:0
(8) C14:0
(8) C14:0
(12) C16:0
(12) C16:0
(16) C18:0
(16) C18:0
(18) C18:1 [
cis
-9]
(18) C18:1 [
cis
-9]
-
(20) C18:2 [
cis
-9,12]
-
(22) C18:3 [
cis
-6,9,12]
Margarine
-
(2) C6:0
-
(3) C8:0
-
(4) C10:0
-
(6) C12:0
-
(8) C14:0
-
(9) C14:1 [
cis
-9]
-
(10) C15:0
(12) C16:0
(12) C16:0
-
(13) C16:1 [
cis
-9]
(16) C18:0
(16) C18:0
-
(17) C18:1 [
trans
-9]
(18) C18:1 [
cis
-9]
(18) C18:1 [
cis
-9]
(20) C18:2 [
cis
-9,12]
(20) C18:2 [
cis
-9,12]
(22) C18:3 [
cis
-6,9,12]
(22) C18:3 [
cis
-6,9,12]
(23) C20:1 [
cis
-11]
(23) C20:1 [
cis
-11]
(24) C18:3 [
cis
-9,12,15]
-
(32) C23:0
(32) C23:0
Palm oil
-
(6) C12:0
-
(8) C14:0
(12) C16:0
(12) C16:0
(16) C18:0
(16) C18:0
(18) C18:1 [
cis
-9]
(18) C18:1 [
cis
-9]
(20) C18:2 [
cis
-9,12]
(20) C18:2 [
cis
-9,12]
-
(22) C18:3 [
cis
-6,9,12]
(32) C23:0
(32) C23:0
Table 2: FAMEs peaks observed for two derivatization methods in 30 minutes reaction time
