Acorn (Quercus spp.) as a novel source of oleic acid and tocopherols for livestock and humans: discrimination of selected species from Mediterranean forest

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AKCAN T., Gokce R., Asensio M., Estevez M., Morcuende D.

JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE, cilt.54, sa.10, ss.3050-3057, 2017 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 54 Sayı: 10
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1007/s13197-017-2740-3
  • Dergi Adı: JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.3050-3057
  • Anahtar Kelimeler: Fatty acid profile, Physicochemical properties, Quercus spp., Tocopherols, FATTY-ACID, IBERIAN PIG, INTRAMUSCULAR LIPIDS, OXIDATIVE STABILITY, CURED HAMS, DIET, TRAITS, OILS, HEALTH
  • Dokuz Eylül Üniversitesi Adresli: Hayır

Özet

The aim of the present work was to characterization and compare acorns from selected Quercus spp. from the Mediterranean forest in Spain, namely, Portuguese oak (QF, Quercus faginea Lam.), Cork oak (QS, Quercus suber L.), Pyrenean oak (QP, Quercus pyrenaica Wild), Kermes oak (QC, Quercus coccifera L.), Holm oak (QB, Quercus ilex L. subsp. ballota [Desf.]). All physicochemical attributes varied significantly between species. Fat contents ranged from 1.30 to 4.70 g 100 g(-1) fresh matter. The most abundant fatty acids were oleic (62.44, 56.25, 57.46, 48.02, 65.83%), followed by linoleic (16.42, 20.73, 21.30, 25.38, 14.17%) and palmitic (11.69, 14.27, 12.17, 16.22, 12.28) acids in QF, QS, QP, QC and QB species, respectively. The tocopherol content was high in the range of 31.83-45.25 mg kg(-1), and gamma-tocopherol constituted 67-78% of total tocopherols. Only an effect of the location on gamma-tocopherol content in QB was observed. The present results show the potential of different species of acorn to be used as agricultural and food resources and that geographical location plays a secondary role.