Levels of fat-soluble vitamins in some foods
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Tarih
2010-02-01Yazar
Çiftçi, Harun
Özkaya, Ahmet
Çevrimli, B. Sıtkı
Bakoğlu, Adil
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The levels of vitamins in nine food of winter season which are grown
in Turkey were determined. High performance liquid chromatography
(HPLC) was used in this work. Eight vitamins were detected in the
foods. The contents of vitamins were determined as b-carotene, 38.4-
144.5; d-tocopherol, 0.63-6.15; g-tocopherol, 0.7-936.2; a-tocopherol,
0.7-72.8; a-tocopherol acetate, 3.7-113.1; vitamin D2, 5.2-47.8; vitamin
D3, 36.4-642.2 and vitamin K1, 12.6-67.4 μg g-1. For the simultaneous
determination of all the vitamins, the mixture of acetonitrile/methanol
(3/1, v/v) was used as the mobile phase. Detection was performed at
202 nm for vitamins. The results showed that vitamin D3 level is high
for corn and g-tocopherol is rich in bulgur.
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