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Yeni ceviz genotiplerinin kimyasal içerikleri ve yağ asitleri bileşenlerinin belirlenmesi
(Determination of biochemical properties and fatty acid composition of new walnut (Juglans regia l.) genotypes )

Author : Yaşar AKÇA  Sebahattin YILMAZ  
Type :
Printing Year : 2017
Number : 2017-2
Page : 74-80


Summary
Geç yapraklanma, meyve kalitesi ve yüksek verim esas alınarak Niksar ceviz popülasyonundan 14 genotip seçilmiştir. İç cevizde ham protein, total yağ ve kül içeriği sırasıyla 17.09-23.89%, 62.72-73.05%,1.36%-2.20% arasında belirlenmiştir. Fosfor içeriği 230.65-344.40 mg 100 g-1 arasında, potasyum içeriği 163.92-308.86 mg arasında, sodium içeriği 7.94-22.53mg arasında, bakır içeriği 2.25-3.64 arasında, demir içeriği 2.20-4.32 arasında, çinko içeriği 1.97-5.48 arasında, manganez içeriği 0.91-4.39 arasında tespit edilmiştir. Genotiplerin kimyasal içerikleri ve yağ asitleri kompozisyonları arasında farklılıklar gözlenmiştir. Polidoymamış yağ asitleri içinde linoleic asit dominant bulunmuştur. İç ceviz yağında, ana yağ asitleri oleik, linolenik, palmitik ve stearik asitlerdir. Ayrıca eser miktarlarda 13 farklı yağ asidi de tespit edilmiştir. Total PUFA içeriği 58.77% ile 77.39% arasında belirlenmiştir.

Turkish Keywords
Ceviz, mineral içerikleri, yağ asitleri

Abstract
Walnuts (Juglans regia L.) of 14 new genotypes were selected according to late leafing time, fruit quality and high yield in native population in Niksar-Turkey. Crude protein, total oil and ash contents of walnut kernels ranged from 17.09-23.89%, 62.72-73.05%, and 1.36%-2.20% respectively. Phosphorous contents of kernels were found in the range of 230.65-344.40 mg 100 g-1, potassium 163.92-308.86 mg 100 g-1, sodium 7.94-22.53 mg 100 g-1, copper 2.25-3.64 mg 100 g-1, iron 2.20-4.32 mg 100 g-1, zinc 1.97-5.48 mg 100 g-1, manganese 0.91-4.39 mg 100 g-1. Differences in chemical properties and fatty acid contents were determined. Oleic, linolenic, palmitic and stearic acids were other main fatty acids in oil of walnut kernels. Also 13 different fatty acids were determined at small quantities. Total PUFA content changed between 58.77% and 77.39%.

Keywords
Walnut, mineral contents, fatty acids

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