Extração ultrassônica-verde de folhas de Lansium domesticum: otimização, conteúdo fenólico e flavonoide, estabilidade e atividade antioxidante

Autores

DOI:

https://doi.org/10.5965/223811712442025723

Palavras-chave:

Antioxidante, Extração Verde, Lansium domesticum, Otimização

Resumo

As folhas de Lansium domesticum, Duku, contêm compostos bioativos com benefícios significativos à saúde, particularmente como antioxidantes. No entanto, um método de extração eficiente e sustentável é essencial para maximizar seu potencial. Este estudo investiga a extração verde assistida por ultrassom (EAU) como uma abordagem ecologicamente correta para otimizar a extração de compostos fenólicos e flavonoides. O processo de otimização envolveu três parâmetros principais: proporção de solvente (1:10, 1:20, 1:30, 1:40, 1:50), temperatura de extração (40, 50, 60, 70, 80 °C) e tempo de extração (20, 40, 60, 80, 100 min), usando um delineamento completamente randomizado. A estabilidade do composto bioativo foi avaliada sob várias condições, e a atividade antioxidante foi avaliada usando ensaios DPPH. Os resultados demonstraram que a proporção de solvente e a temperatura de extração influenciaram significativamente o rendimento do extrato, o conteúdo fenólico e flavonoide e a atividade antioxidante, enquanto o tempo de extração afetou o rendimento e o conteúdo bioativo, mas não a atividade antioxidante. As condições ótimas de extração — proporção pó-solvente de 1:20, temperatura de 50 °C e tempo de extração de 80 min — renderam 5,98 ± 0,1% de extrato, 40,49 ± 0,9 mg AGE/g de conteúdo fenólico, 185 ± 3,9 mg QE/g de conteúdo flavonoide e 38,28 ± 0,2% de atividade antioxidante. Essas descobertas destacam a UAE como um método sustentável e eficaz para extrair compostos bioativos, com aplicações promissoras em produtos farmacêuticos e nutracêuticos.

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Publicado

2025-12-12

Como Citar

TARIGAN, Indra Lasmana; NIZORI, Addion; TAFZI, Fitry; INDRIYANI, Indriyani. Extração ultrassônica-verde de folhas de Lansium domesticum: otimização, conteúdo fenólico e flavonoide, estabilidade e atividade antioxidante: . Revista de Ciências Agroveterinárias, Lages, v. 24, n. 4, p. 723–739, 2025. DOI: 10.5965/223811712442025723. Disponível em: https://periodicos.udesc.br/index.php/agroveterinaria/article/view/27029. Acesso em: 19 dez. 2025.

Edição

Seção

Artigo de Pesquisa - Ciência de Plantas e Produtos Derivados

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