Effect of almond genotypes on fatty acid composition, tocopherols and mineral contents and bioactive properties of sweet almond (Prunus amygdalus Batsch spp. dulce) kernel and oils

Springer Science and Business Media LLC - Tập 57 - Trang 4182-4192 - 2020
Mehmet Musa Özcan1, Bertrand Matthäus2, Fahad Aljuhaimi3, Isam A. Mohamed Ahmed3, Kashif Ghafoor3, Elfadıl E. Babiker3, Magdi A. Osman3, Mustafa A. Gassem3, Hesham A. S. Alqah3
1Department of Food Engineering, Faculty of Agriculture, University of Selçuk, Konya, Turkey
2Bundesforschungsinstitut für Ernährung und Lebensmittel Institut für Sicherheit und Qualität bei Getreide, Max Rubner-Institut (MRI), Detmold, Germany
3Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia

Tóm tắt

Oil content of almond kernels ranged from 36.7% in the cultivar T12 to 79.0% in genotype T27. The major fatty acid in almond oil is oleic (62.43% in T7-76.34% in T4) followed by linoleic (13.97% in T4-29.55% in T3) and palmitic (4.97% in T2-7.51% inT3). The main tocopherol in almond oil was α-tocopherol (44.25 mg/100 g in T25-75.56 mg/100 g in T13) that was 44 folds higher than other tocopherols in the oil. Total tocopherol contents of almond oils ranged between 47.42 mg/100 g (T14) and 80.15 mg/100 g (T16). Among macro minerals, K was the highest (5238–14,683 mg/kg), followed by P (3475–11,123 mgkg), Ca (1798–5946 mg/kg), and Mg (2192–3591 mg/kg), whereas Na was the least (334–786 mg/kg) in almond kernel. The total polyphenol was observed in T16 (98.67 mg GAE/100 g), while the least was found in T24 (23.75 mg GAE/100 g). Antioxidant activity was high in T7 (91.18%) and low in T12 (44.59%).

Tài liệu tham khảo

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