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<p>Lentisk (L) and apricot kernel (AKO) oils were characterized according to their phenolic, non-polar and antioxidant profiles. A quality by design (QbD) principles approach optimized phenolic analysis of samples through liquid chromatography coupled to diode array and mass spectrometry (LC-DAD-MS) analyses, firstly reporting catechol in L and vanillin and <i>p</i>-hydroxybenzoic acid in AKO oils. Non-polar fractions of L and AKO was featured by LC-DAD-MS analysis, determining 20 and 14 acylglycerols, respectively, most of them di- and tri-unsaturated acylglycerols. Moreover, analysis of fatty acids, tocopherols and phytosterols by GC-MS research unveiled high contents of unsaturated fatty acids (67% and 89% total content in L and AKO, respectively), mainly oleic, and relevant amounts of tocopherols (384 vs. 471&#xa0;mg/kg) and physterols (1852 vs. 3511&#xa0;mg/kg) in L and AKO samples, respectively. Spectrophotometric assays determined low carotenoid (2.18 vs. 0.18&#xa0;mg luteolin/kg) and chlorophyll (1.51 vs. 0.08&#xa0;mg pheophytine/kg) contents in L and AKO samples, but demonstrated their high antioxidant/antiradical capacity values. High quality nutritional value of lentisk and apricot kernel oils together to their relevant antioxidant/antiradical properties may favor their use as source of natural bioactive compounds by food and pharmaceutical industries, favoring circular economy through the reuse of agricultural by-products.</p>

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QbD-based chromatographic phenolic profiling of lentisk and apricot kernel oils with defined chemical composition and antioxidant properties

  • 期刊论文

  • 发表日期：

    2026年5月18日

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  • Kamelia Zane,
  • Anis Chikhoune,
  • Mikhail Shashkov,
  • Alexander Vasilyevich Piligaev,
  • Enrique Sentandreu,
  • Ahmed Benchabane,
  • Isabella Nicoletti,
  • Susana Maria Cardoso,
  • Danilo Corradini

摘要

Lentisk (L) and apricot kernel (AKO) oils were characterized according to their phenolic, non-polar and antioxidant profiles. A quality by design (QbD) principles approach optimized phenolic analysis of samples through liquid chromatography coupled to diode array and mass spectrometry (LC-DAD-MS) analyses, firstly reporting catechol in L and vanillin and p-hydroxybenzoic acid in AKO oils. Non-polar fractions of L and AKO was featured by LC-DAD-MS analysis, determining 20 and 14 acylglycerols, respectively, most of them di- and tri-unsaturated acylglycerols. Moreover, analysis of fatty acids, tocopherols and phytosterols by GC-MS research unveiled high contents of unsaturated fatty acids (67% and 89% total content in L and AKO, respectively), mainly oleic, and relevant amounts of tocopherols (384 vs. 471 mg/kg) and physterols (1852 vs. 3511 mg/kg) in L and AKO samples, respectively. Spectrophotometric assays determined low carotenoid (2.18 vs. 0.18 mg luteolin/kg) and chlorophyll (1.51 vs. 0.08 mg pheophytine/kg) contents in L and AKO samples, but demonstrated their high antioxidant/antiradical capacity values. High quality nutritional value of lentisk and apricot kernel oils together to their relevant antioxidant/antiradical properties may favor their use as source of natural bioactive compounds by food and pharmaceutical industries, favoring circular economy through the reuse of agricultural by-products.