Rapid Separation of All Four Tocopherol Homologues in Selected Fruit Seeds via Supercritical Fluid Chromatography Using a Solid-Core C18 Column

Table 4

The composition of tocopherols (mg/100 g dw) in the seeds of nine different fruit species determined by the SFC-DAD system.

Species	Tocopherols
	α-T	β-T	γ-T	δ-T	Total Ts
R. idaeus	25.3 ± 1.5^e	2.3 ± 0.1^a	47.3 ± 2.5^e	4.3 ± 0.2^b	79.2 ± 4.3^e
F. × ananassa	13.7 ± 0.7^d	nd	11.6 ± 0.5^a	tr	25.3 ± 1.3^bc
R. rubrum	5.9 ± 0.5^b	1.5 ± 0.2^a	32.8 ± 1.5^c	12.2 ± 0.7^c	52.4 ± 3.0^d
R. nigrum	11.0 ± 0.9^c	nd	37.0 ± 2.5^d	4.2 ± 0.2^b	52.2 ± 3.7^d
M. domestica	22.4 ± 2.2^e	14.0 ± 1.0^b	9.9 ± 0.5^a	10.4 ± 0.4^c	56.7 ± 4.1^d
H. rhamnoides	39.0 ± 2.5^f	2.4 ± 0.2^a	11.1 ± 0.7^a	1.0 ± 0.1^a	53.5 ± 3.5^d
Ch. japonica	13.9 ± 0.8^d	tr	tr	nd	13.9 ± 0.8^a
R. canina	11.9 ± 0.6^c	nd	11.5 ± 0.5^a	nd	23.4 ± 1.2^b
C. lanatus	1.1 ± 0.1^a	nd	25.3 ± 1.5^b	0.5 ± 0.1^a	26.9 ± 1.7^c

Values are expressed as the mean ± standard deviation (). Different letters in the same column indicate statistically significant differences at . T, tocopherol; nd, not detected; tr, traces (<0.1 mg/100 g dw).