. 2015 Sep 18;92(11-12):1621–1631. doi: 10.1007/s11746-015-2715-3

Table 3.

Changes of polar fraction content and composition in rapeseed oil (RO), palm oil (PO), palm olein (POn), and the blend (MIX), depending on the type and age of oil

Type and age (h) of oil	Polar fraction content^a (g 100 g⁻¹)	Polar fraction composition^a (contribution in relative percentages)
Type and age (h) of oil	Polar fraction content^a (g 100 g⁻¹)	TGP	TGD	oxTAG	DAG	MAG	FFA
RO
0 h	3.53^b ± 1.20i	ND	ND	51.15 ± 1.8a	31.36 ± 1.47g	ND	17.49 ± 0.64a
24 h	12.62 ± 0.45f	5.86 ± 0.23b	27.40 ± 0.28b	46.21 ± 0.14b	15.84 ± 0.14h	ND	4.69 ± 0.28b
40 h	17.45 ± 0.27d	9.02 ± 0.41a	34.95 ± 0.28a	42.55 ± 0.20c	9.41 ± 0.36i	ND	4.07 ± 0.10c
PO
0 h	11.63 ± 0.13g	ND	0.97 ± 0.10j	12.49 ± 0.69i	85.32 ± 0.45a	0.54 ± 0.06ef	0.68 ± 0.10h
24 h	16.51 ± 0.16e	1.44 ± 0.14f	9.53 ± 0.12h	19.25 ± 0.13h	65.97 ± 0.29b	1.49 ± 0.11b	2.33 ± 0.23ef
40 h	21.31 ± 0.11b	2.48 ± 0.38e	14.01 ± 0336g	22.52 ± 0.39f	55.41 ± 0.25d	1.71 ± 0.13a	3.88 ± 0.17c
POn
0 h	9.89 ± 0.14h	ND	0.80 ± 0.07j	11.83 ± 0.11i	85.10 ± 0.28a	0.70 ± 0.08d	1.58 ± 0.29g
24 h	18.44 ± 0.33c	2.25 ± 0.08e	15.36 ± 0.25f	19.00 ± 0.35h	60.69 ± 0.43c	0.79 ± 0.03d	1.91 ± 0.13fg
40 h	24.45 ± 0.89a	3.26 ± 0.40d	16.57 ± 0.32e	21.14 ± 0.20g	55.49 ± 0.28d	0.97 ± 0.04c	2.57 ± 0.34de
MIX
0 h	9.30 ± 0.33h	1.59 ± 0.08f	2.22 ± 0.16i	12.25 ± 0.35i	84.98 ± 0.34a	0.23 ± 0.04g	1.57 ± 0.28g
24 h	16.47 ± 0.45e	5.05 ± 0.42c	17.71 ± 0.42d	24.22 ± 0.20e	50.84 ± 0.21e	0.49 ± 0.08f	1.70 ± 0.14fg
40 h	21.66 ± 0.35b	5.59 ± 0.40bc	19.41 ± 0.36c	26.96 ± 0.27d	44.39 ± 0.28f	0.65 ± 0.07de	3.01 ± 0.23d

ND not detected, TGP triacylglycerol polymers, TGD triacylglycerol dimers, oxTAG oxidized triacylglycerols, DAG diacylglycerols, FFA free fatty acids

^aAll values are averages of the triplicate analysis (n = 6)

^bValues followed by different letters are statistically different at the 95 % confidence level