FARKLI KETEN TÜR VE ÇEŞİTLERİNİN BESİN BİLEŞENLERİ, YAĞ ASİTLERİ VE MİNERAL İÇERİKLERİNİN KARŞILAŞTIRILMASI

Öz

Farklı keten çeşitlerinin ve türlerinin protein, yağ, yağ asitleri ve mineral içerikleri karşılaştırıldı. Yabani keten türünün, Sarı 85 ve Vera çeşidinden daha az yağ içerdiği belirlenmiş­tir. Kültür çeşidi olan Sarı 85 ve Vera çeşidinin protein oranı, yabani ketenden daha yüksek bulunmuştur. Nem oranı ise ya­bani ketende daha yüksek bulunmuştur. Keten tohumlarının hepsinde linolenik asit en fazla oranda bulunan yağ asiti ol­muştur. Yağ asitlerinden palmitik, oleik ve linoleik asit keten tohumlarında farklılık gösterirken, linolenik asit en fazla oranla yabani keten türü ve Sarı 85 çeşidinde bulunmuştur. Yağ asitlerinde n3:n6 oranı en fazla Sarı 85 çeşidinde hesap­lanmıştır. Makro elementler arasında en bol bulunan sırasıyla potasyum, fosfor, magnezyum ve sodyum olmuştur. Mikro elementler içerisinde ise çinko en yüksek düzeyde var olan element olup yabani ketende ise bariz bir şekilde diğerlerin­den daha fazla bulunmuştur. Belirlenen elementler arasında P, Na, Ca, Zn, Ni, Pb elemetleri, yabani keten türünü diğer kültür çeşitlerinden ayırt edici özelliğe sahip olmuşlardır.  

Anahtar Kelimeler

• Keten tohumu,Yağ içeriği,Yağ asitleri,Besin bileşenleri,Mineral içeriği

COMPARISON OF PROXIMATE, FATTY ACIDS AND ELEMENT COMPOSITION OF DIFFERENT VARIETIES (CULTIVARS) AND SPECIES OF FLAX SEEDS

Abstract

Proximate, fatty acid, and mineral composition of different flax species and cultivars were compared. Lipid content of wild flax was much lower than Sarı 85 and Vera cultivars. Protein content of wild flax was also much lower than Sarı 85 and Vera cultivars. However, moisture content of wild flax was much higher than Sarı 85 and Vera. Linolenik asit was the major fatty acid in all flax seeds with a different ratios. Considering the fatty acids, palmitic, oleic and linoleic acids  showed significant difference (P<0.05)  among the flaxseeds samples. Whereas, wild flax species  and Sarı 85 cultivar contained the highest level of linoleic acid compare to Vera cultivar.  Sarı 85 cultivar had highest n3:n6 ratio with a level  of 4.1, and lowest ratio was observed in Vera cultivar. Amoung the macro elements, K, P, Mg, and  Na were pre-dominant elements and Zn was the most abundant element in the microelements, in particular in wild flaxseed sample. The elements such as, P, Na, Ca, Zn, Ni and Pb  in wild flaxseed were significantly different from Sarı 85 and Vera cultivars (P<0.05).   

Keywords

• Flaxseed,Fatty acids,Proximate composition,Minerals

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