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<p>The physicochemical characteristics of Arabica coffee beans are crucial for the quality of the beverage. The type of post-harvest processing is one of the factors that will influence the composition of the beans and consequently the quality of the drink. Therefore, this study aimed to evaluate the impact of natural drying and anaerobic fermentation, in addition to roasting, on the physicochemical characteristics and antioxidant activities of Arabica coffee beans cultivated with organic management in Taquaritinga do Norte – PE. The beans underwent different types of post-harvest processing and were analyzed in their raw (green) and roasted states. The results revealed that the different processing methods and roasting significantly influenced the physicochemical characteristics of the beans. Fermented beans showed qualitatively superior values for pH, conductivity, aqueous extract, free fatty acids, acidity index, reducing sugars, and carbohydrates. On the other hand, beans processed by natural drying excelled in total soluble solids and lipids content. Roasting significantly influenced the color of the beans, moisture content, water activity, and antioxidant activity. Principal component analysis was applied, which allowed the differentiation of all treatments based on physicochemical parameters. Despite the differences, all coffee beans exhibited physicochemical characteristics that contributed to the quality of the beverage.</p>

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Evaluation of the influence of the type of post-harvest processing and roasting operation on the physicochemical characteristics of Arabica coffee beans

  • 期刊论文

  • 发表日期：

    2025年6月23日

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  • Phillipe Tenório Barbosa,
  • Gustavo Henrique Daniel Santos Silva,
  • Maria Vitória Lima Costa Donato,
  • Wallysson Wagner Vilela Santos,
  • Ana Letícia Toté de Medeiros,
  • Marcelo Edvan dos Santos Silva,
  • Rodrigo Lira de Oliveira,
  • Marteson Cristiano dos Santos Camelo,
  • Suzana Pedroza da Silva

摘要

The physicochemical characteristics of Arabica coffee beans are crucial for the quality of the beverage. The type of post-harvest processing is one of the factors that will influence the composition of the beans and consequently the quality of the drink. Therefore, this study aimed to evaluate the impact of natural drying and anaerobic fermentation, in addition to roasting, on the physicochemical characteristics and antioxidant activities of Arabica coffee beans cultivated with organic management in Taquaritinga do Norte – PE. The beans underwent different types of post-harvest processing and were analyzed in their raw (green) and roasted states. The results revealed that the different processing methods and roasting significantly influenced the physicochemical characteristics of the beans. Fermented beans showed qualitatively superior values for pH, conductivity, aqueous extract, free fatty acids, acidity index, reducing sugars, and carbohydrates. On the other hand, beans processed by natural drying excelled in total soluble solids and lipids content. Roasting significantly influenced the color of the beans, moisture content, water activity, and antioxidant activity. Principal component analysis was applied, which allowed the differentiation of all treatments based on physicochemical parameters. Despite the differences, all coffee beans exhibited physicochemical characteristics that contributed to the quality of the beverage.