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Optimization of the acid hydrolysis process for the extraction of Rosa roxburghii Tratt-bound phenols and antioxidant, α-glucosidase and lipase inhibitory activities in vitro

Qin, Yumeng ; Zhou, Xiaoli ; Qin, Zhicheng ; Wang, Yanli ; Wang, Yaping

CYTA: journal of food, 2024-12, Vol.22 (1) [Periódico revisado por pares]

Taylor & Francis Group

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  • Título:
    Optimization of the acid hydrolysis process for the extraction of Rosa roxburghii Tratt-bound phenols and antioxidant, α-glucosidase and lipase inhibitory activities in vitro
  • Autor: Qin, Yumeng ; Zhou, Xiaoli ; Qin, Zhicheng ; Wang, Yanli ; Wang, Yaping
  • Assuntos: acid hydrolysis ; antioxidant activities ; bound phenolics ; pancreatic lipase ; Rosa roxburghii Tratt ; α-glucosidase
  • É parte de: CYTA: journal of food, 2024-12, Vol.22 (1)
  • Descrição: ABSTRACTThe aim of this study was to investigate acid hydrolysis-bound phenols from Rosa roxburghii Tratt and their biological activities in vitro. The optimal extraction parameters were as follows: HCl concentration of 7 mol/L, extraction time of 10 h and material-liquid ratio of 1:40 g/mL. The highest yield of bound polyphenols was 495.64 ± 11.66 mg GAE/100 g DW. There were 24 phenolic compounds and 14 flavonoids released by acid hydrolysis. The antioxidant study showed that the RRT-BPs had a certain scavenging ability of free radicals in a dose-dependent manner. RRT-BPs showed good inhibitory activity against α-glucosidase and pancreatic lipase, respectively, and RRT-PBs acted as anticompetitive and mixed inhibitors against α-glucosidase and pancreatic lipase, respectively. Our study suggests that acid-hydrolysed bound phenols have good prebiotic properties and can be used as a supplement to existing alkaline-hydrolysed bound phenols to prevent chronic diseases such as diabetes and obesity.
  • Editor: Taylor & Francis Group
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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