Abstract
The fatty acid, tocopherol and sterol contents of the oils of several poppy seeds were investigated. The main fatty acids in poppy seed oils were linoleic (687.6-739.2 g kg -1 ), oleic (141.3-192.8 g kg -1 ) and palmitic (76.8-92.8 g kg -1 ). The oils contained an appreciable amount of -tocopherol (195.37-280.85 mg kg -1 ), with a mean value of 261.31 mg kg -1 and α-tocopherol (21.99-45.83 mg kg -1 ), with a mean value of 33.03 mg kg -1 . The concentrations of total sterol ranged from 1099.84 mg kg -1 (K.pembe) to 4816.10 mg kg -1 (2. sinif beyaz), with a mean value of 2916.20 mg kg -1 . The major sterols were -sitosterol, ranging from 663.91 to 3244.39 mg kg -1 ; campesterol, ranging from 228.59 to 736.50 mg kg -1 ; and Δ 5 -avenasterol, ranging from 103.90 to 425.02 mg kg -1 . The studied varieties of poppy seeds from Turkey were found to be a potential source of valuable oil.
Highlights
Poppy (Papaver somniferum) is cultivated as an annual crop in countries such as China, India, Czech Republic - Slovakia or Turkey
Unusual fatty acids are often present in significant percentages in the seed oil (Smith, 1970)
The aim of this study was to determine the chemical properties of various poppy seeds obtained from the Afyon province of Turkey concerning the fat content and the composition of fatty acids, tocopherols and sterols
Summary
Poppy (Papaver somniferum) is cultivated as an annual crop in countries such as China, India, Czech Republic - Slovakia or Turkey. It is grown mainly for its contents of opium and oil seeds. The seed lipid composition differs considerably from the lipids contained in green photosynthetic tissue. Unusual fatty acids are often present in significant percentages in the seed oil (Smith, 1970). Phytosterols, commonly found in foods such as wheat germ, soybeans and corn oil are phytochemicals. Tocopherols are important functional components in foods. Phytosterols and tocopherols are components present in the unsaponifiable lipid fraction of foods
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