OIL CONTENT, FATTY ACID COMPOSITION, AND VITAMIN E CONCENTRATION OF 17 HAZELNUT VARIETIES, COMPARED TO OTHER TYPES OF NUTS AND OIL SEEDS.
Oil concentration varied among hazelnut cultivars and ranged from a low of 57.9% in Hall's Giant to 65.7% in Tombul. Macadamias were the highest in oil content (76.9%) and chestnuts were the lowest (2.8%). In oil seeds, oil content ranged from 4.5% in corn to 49.9% in sesame seed. Oleic acid and linoleic acid comprised more than 90% of the fatty acid composition in all nuts. Oleic, linoleic, and linolenic acids were the major fatty acids found in oil seeds.