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Almond – Analytical Chemistry Focus

Almonds are nutrient-dense tree nuts rich in lipids, proteins, fiber, vitamins (E, B2), minerals (Mg, Ca, K), and bioactive compounds like polyphenols and phytosterols. Analytical testing supports:

  • Nutritional labeling
  • Allergen detection
  • Shelf-life and rancidity monitoring
  • Authentication and quality grading
  • By-product valorization (e.g., hulls, shells)

Almond By-Product Valorization

  • Hulls: Rich in polyphenols (catechin, caffeoylquinic acid); extracted using green solvents like NADESs and microwave-assisted extraction
  • Shells: Source of lignocellulosic biomass; used in biochar, composites, and cellulose nanocrystals
  • Skins: High antioxidant capacity; used in nutraceuticals and functional foods