Table 1 Tocol concentration (mg/kg of oil) in the original, column stripped, and simplified stripped method (1 h, 2 h, and 1 h twice) of camelina seed, chia seed, sophia seed, corn, olive oils, and DHASCO^1,2

Camelina Seed Oil

α-tocopherol

114.73 ± 2.95^a

nd

8.26 ± 0.58^b

nd

2.10 ± 0.00^c

β/γ-tocopherol

677.40 ± 17.73^a

nd

12.53 ± 0.00^b

nd

4.21 ± 0.11^c

δ-tocopherol

470.41 ± 48.21^a

nd

nd

nd

nd

Total tocols

1262.54 ± 68.89^a

nd

20.79 ± 0.58^b

nd

6.31 ± 0.11^c

Chia Seed Oil

α-tocopherol

10.94 ± 1.65^a

nd

nd

nd

nd

β/γ-tocopherol

282.68 ± 1.21^a

nd

nd

nd

nd

δ-tocopherol

47.44 ± 1.21^a

nd

0.01 ± 0.0^b

nd

nd

Total tocols

341.06 ± 4.07^a

nd

0.01 ± 0.0^b

nd

nd

Sophia Seed Oil

α-tocopherol

tr

nd

nd

nd

nd

β/γ-tocopherol

977.52 ± 4.37^a

nd

2.14 ± 0.01^b

nd

1.50 ± 0.01^c

δ-tocopherol

173.41 ± 5.98^a

nd

1.47 ± 0.13^c

tr

2.73 ± 0.01^b

Total tocols

1150.93 ± 10.35^a

nd

3.63 ± 0.14^c

tr

4.23 ± 0.02^b

Corn Oil

α-tocopherol

64.47 ± 3.26^a

nd

nd

nd

nd

β/γ-tocopherol

445.99 ± 4.65^a

nd

nd

nd

nd

δ-tocopherol

28.43 ± 4.81^a

nd

0.61 ± 0.01^b

nd

nd

Total tocols

538.89 ± 12.78^a

nd

0.61 ± 0.01^b

nd

nd

Olive Oil

α-tocopherol

179.98 ± 7.09^a

nd

nd

nd

0.89 ± 0.01^b

β/γ-tocopherol

28.30 ± 7.50^a

nd

nd

nd

nd

δ-tocopherol

nd ^a

nd

nd

nd

nd

Total tocols

208.28 ± 14.59^a

nd

nd

nd

0.89 ± 0.01^b

DHASCO

α-tocopherol

759.28 ± 3.10

nd

nd

nd

nd

β/γ-tocopherol

202.07 ± 3.89^a

nd

nd

nd

6.12 ± 0.02^b

δ-tocopherol

250.63 ± 1.36^a

nd

nd

tr

2.17 ± 0.02^b

Total tocols

1211.98 ± 8.35^a

nd

nd

tr

8.29 ± 0.02^b