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Effect of geographical origin on the chemical characteristics of <i>Q. canariensis</i> acorns: profiling fatty acids, tocopherols, and phenolic composition

20244 citationsUniversity of Kairouan

Abstract

The impact of geographical origin on the chemical composition of acorns from Quercus species has significant attention. This study aimed to explore the phenolic composition of methanolic extracts, tocopherol content, and fatty acid composition of acorn oils from six different populations of <i>Q. canariensis</i> acorns. The obtained results revealed that acorn oil from BniMtir exhibited high levels of α-tocopherol (58 mg/kg). The fatty acids identified across all samples were Z-vaccenic + oleic acids (38.44-58.58%). In addition, the data highlighted the presence of quinic (32.514-60.216 µg/g DW) and gallic acids (1.674-10.849 µg/g DW), as well as catechin (+) (0.096-12.647 µg/g DW) in all populations. These variations in chemical composition from different regions are likely linked to their geographical origin. In conclusion, this study's finding should significance for the industry, offering valuable insights into the potential production of bioactive compounds from <i>Q. canariensis</i> acorns, which could have various applications.

Research topics

  • Phytochemicals and Antioxidant Activities
  • Antioxidant Activity and Oxidative Stress
  • Nuts composition and effects

Sustainable Development Goals

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DOI: 10.1080/14786419.2024.2335355

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