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Effect of Variety on Bioactive Properties, Phytochemicals and Nutrients of Almond Kernels

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Abstract

The oil yields of almonds were determined to be between 42.6% (bitter almond) and 55.4% (‘Nonpareil’). Antioxidant activity and total phenolic contents (TPC) of almonds varied between 4.80% (‘Texas’) and 85.57% (‘Ferragnes’) to 8.82 (‘Nonpareil’) and 109.79 mg gallic acid equivalent (GAE) per 100 g (‘Ferragnes’), respectively. While oleic acid amounts of almond oils are detected to be between 68.95% (‘Texas’) and 75.16% (‘Ferragnes’), linoleic acid amounts of kernel oils were determined to be between 16.74% (‘Ferraduel’) and 23.24% (‘Texas’). Gallic acid amounts in almond kernels were identified to be between 19.85 (‘Ferragnes’) and 35.12 mg/g (bitter almond). Calcium (Ca) and potassium (K) amounts in almonds were measured at between 3163.65 (bitter almond) and 5438.46 mg/kg (‘Texas’) to 5193.57 mg/kg (bitter almond) and 9720.63 mg/kg (‘Ferragnes’), respectively. Phosphorus amounts in almonds were detected at between 4592.31 (‘Nonpareil’) and 6996.71 mg/kg (‘Ferragnes’). As a result, almond variety had an effect on oil content, bioactive properties, fatty acid profiles, polyphenols and mineral contents.

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Authors and Affiliations

  1. Department of Food Engineering, Faculty of Agriculture, University of Selçuk, 42031, Konya, Turkey

    Mehmet Musa Özcan & Nurhan Uslu

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  1. Mehmet Musa Özcan
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  2. Nurhan Uslu
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Correspondence to Mehmet Musa Özcan.

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M.M. Özcan and N. Uslu declare that they have no competing interests.

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Özcan, M.M., Uslu, N. Effect of Variety on Bioactive Properties, Phytochemicals and Nutrients of Almond Kernels. Erwerbs-Obstbau 65, 981–988 (2023). https://doi.org/10.1007/s10341-022-00762-y

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