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Evaluation of Protein and Antioxidant Content in Apricot Kernels as a Sustainable Additional Source of Nutrition

Author

Listed:
  • Eliška Rampáčková

    (Department of Fruit Science, Faculty of Horticulture in Lednice, Mendel University in Brno, Valticka 337, 691 44 Lednice, Czech Republic)

  • Martina Göttingerová

    (Department of Fruit Science, Faculty of Horticulture in Lednice, Mendel University in Brno, Valticka 337, 691 44 Lednice, Czech Republic)

  • Pavel Gála

    (Department of Fruit Science, Faculty of Horticulture in Lednice, Mendel University in Brno, Valticka 337, 691 44 Lednice, Czech Republic)

  • Tomáš Kiss

    (Department of Fruit Science, Faculty of Horticulture in Lednice, Mendel University in Brno, Valticka 337, 691 44 Lednice, Czech Republic)

  • Sezai Ercişli

    (Department of Horticulture, Agricultural Faculty, Atatürk University, Erzurum 25240, Turkey)

  • Tomáš Nečas

    (Department of Fruit Science, Faculty of Horticulture in Lednice, Mendel University in Brno, Valticka 337, 691 44 Lednice, Czech Republic)

Abstract

Apricot fruits are a favorite for consumption; however, their kernels are a rich source of nutritionally interesting substances, too. Nevertheless, in processing of apricots, the kernels remain often unused. In this study, 32 cultivars of different origin were analyzed for their protein content and content of secondary metabolites (phenolics and flavonoids). The weight and taste of kernels were assessed and these data were summarized for an evaluation of the attractiveness of the studied apricot kernels. Results showed that the protein content of kernels ranged from 14.56% to 28.77% and did not depend on the origin or weight of kernel, or taste. In addition, total phenolic (63.5–1277.3 mg GAE/100 g DW) and total flavonoid (0–153.1 mg CE/100 g DW) contents and antioxidant capacity (483.4–2348.4 mg TE/100 g DW) were measured in kernels. In conclusion, the Czech hybrids LE-5959, LE-5500 and French cultivar Koolgat are prospective for kernel processing and consumption because of their high protein content and sweet taste. Hybrid LI-3-6, originating in China, showed high protein content as well but because of bitter taste could be useful rather in medicine.

Suggested Citation

  • Eliška Rampáčková & Martina Göttingerová & Pavel Gála & Tomáš Kiss & Sezai Ercişli & Tomáš Nečas, 2021. "Evaluation of Protein and Antioxidant Content in Apricot Kernels as a Sustainable Additional Source of Nutrition," Sustainability, MDPI, vol. 13(9), pages 1-11, April.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:9:p:4742-:d:542157
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    Cited by:

    1. Seyda Cavusoglu & Nurettin Yilmaz & Firat Islek & Onur Tekin & Halil Ibrahim Sagbas & Sezai Ercisli & Eliška Rampáčková & Tomáš Nečas, 2021. "Effect of Methyl Jasmonate, Cytokinin, and Lavender Oil on Antioxidant Enzyme System of Apricot Fruit ( Prunus armeniaca L.)," Sustainability, MDPI, vol. 13(15), pages 1-10, July.
    2. Neva Karatas & Sezai Ercisli & Mehmet Ramazan Bozhuyuk, 2021. "Assessment of Morphological Traits, Nutritional and Nutraceutical Composition in Fruits of 18 Apricot cv. Sekerpare Clones," Sustainability, MDPI, vol. 13(20), pages 1-13, October.
    3. Neva Karatas & Sezai Ercisli & Mehmet Ramazan Bozhuyuk & Ozlem Cakir & Tomas Necas & Ivo Ondrasek, 2021. "Seed-Propagated Summer Apples: Great Morphological and Biochemical Diversity," Sustainability, MDPI, vol. 13(15), pages 1-12, July.

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