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<p>This study evaluated the effect of different adjuvants on drying seriguela pulp in a spray dryer considering the properties of the obtained powders. Three samples of pulp containing 25% (w/w) maltodextrin, inulin and whey protein were individually prepared, in addition to another sample containing a mixture of these adjuvants. The samples were dried in a spray dryer at a drying air temperature of 180&#xa0;°C. Powder samples were subjected to physicochemical, morphological, and flowability analyses. The results showed that all samples presented low moisture content of 1.64 to 4.04%. The protein content was 64.47% for the powder with whey protein isolate and 40.66% in the mixture of adjuvants, demonstrating its nutritional potential. Whey protein stood out in preserving bioactive compounds, such as carotenoids (215.02&#xa0;µg/100&#xa0;g) and phenolic compounds (61.84&#xa0;mg GAE/100&#xa0;g), outperforming samples containing maltodextrin and inulin. As for solubility, a sample with maltodextrin had the best performance with 93.09%, while whey protein showed lower solubility. Maltodextrin resulted in a powder with more spherical particles and smooth surfaces, offering better solubility, while inulin caused agglutination but improved wettability. Powders containing whey protein presented irregular shapes and better flowability between samples. Spray drying, especially at high temperatures, reduces the number of identifiable compounds and promotes the formation of new volatiles. The adjuvant combination enhanced nutrient preservation and improved the powder’s properties. Thus, this study shows that the combination of adjuvants acts synergistically in the preservation of phytochemicals and in the improvement of the rheological properties and solubility of seriguela pulp submitted to spray drying at 180&#xa0;°C. These results offer the tropical pulp industry formulate strategies that reduce losses during drying at high temperatures, allows for more stable processing operations, and result in products with better sensory and nutritional performance.</p>

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Influence of Drying Adjuvants on Seriguela (Spondias Purpurea L.) Pulp Powders

  • 期刊论文

  • 发表日期：

    2025年12月22日

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  • Rosenildo dos Santos Silva,
  • Antonia Carlota de Souza Lima,
  • Sueli Rodrigues,
  • Andréa Cardoso de Aquino,
  • Joaquim Rodrigues de Vasconcelos Neto,
  • Lucas Alexandre Nobre Da Silva,
  • Ronaldo Ferreira do Nascimento,
  • Marcos Rodrigues Amorim Afonso

摘要

This study evaluated the effect of different adjuvants on drying seriguela pulp in a spray dryer considering the properties of the obtained powders. Three samples of pulp containing 25% (w/w) maltodextrin, inulin and whey protein were individually prepared, in addition to another sample containing a mixture of these adjuvants. The samples were dried in a spray dryer at a drying air temperature of 180 °C. Powder samples were subjected to physicochemical, morphological, and flowability analyses. The results showed that all samples presented low moisture content of 1.64 to 4.04%. The protein content was 64.47% for the powder with whey protein isolate and 40.66% in the mixture of adjuvants, demonstrating its nutritional potential. Whey protein stood out in preserving bioactive compounds, such as carotenoids (215.02 µg/100 g) and phenolic compounds (61.84 mg GAE/100 g), outperforming samples containing maltodextrin and inulin. As for solubility, a sample with maltodextrin had the best performance with 93.09%, while whey protein showed lower solubility. Maltodextrin resulted in a powder with more spherical particles and smooth surfaces, offering better solubility, while inulin caused agglutination but improved wettability. Powders containing whey protein presented irregular shapes and better flowability between samples. Spray drying, especially at high temperatures, reduces the number of identifiable compounds and promotes the formation of new volatiles. The adjuvant combination enhanced nutrient preservation and improved the powder’s properties. Thus, this study shows that the combination of adjuvants acts synergistically in the preservation of phytochemicals and in the improvement of the rheological properties and solubility of seriguela pulp submitted to spray drying at 180 °C. These results offer the tropical pulp industry formulate strategies that reduce losses during drying at high temperatures, allows for more stable processing operations, and result in products with better sensory and nutritional performance.