Annona muricata leaf extracts obtained with subcritical water and conventional methods: evaluation of antioxidant activities, total polyphenol and rutin contents

Authors

  • Ronald Keverson da Silva Santos Universidade Federal de Pernambuco
  • Reinaldo Alves da Silva Junior Universidade Federal de Pernambuco
  • Magda Rhayanny Assunção Ferreira Universidade Federal de Pernambuco
  • Luiz Alberto Lira Soares Universidade Federal de Pernambuco
  • Luiz Stragevitch Universidade Federal de Pernambuco
  • Leandro Danielski Universidade Federal de Pernambuco https://orcid.org/0000-0003-3161-1608

DOI:

https://doi.org/10.4025/actascitechnol.v45i1.61153

Keywords:

soursop; phenolic compounds; bioactivity; pressurized hot water; extraction.

Abstract

Annona muricata (soursop) is a native American plant and is well known for its leafy canopy and its fruits, widely consumed in South America and Southeast Asia. The objective of this work was to obtain Annona muricata leaf extracts and to evaluate their antioxidant activities, which were obtained by four different extraction methods: Soxhlet, maceration, ultrasound, and pressurized hot (subcritical) water. In order to assess and compare the extracts bioactivities, total polyphenol contents of the extracts were evaluated by the Folin-Ciocalteu method and the antioxidant activities were determined by DPPH and ABTS methods. High performance liquid chromatography was used to identify and quantify rutin, a special flavonoid, which was found to be the most representative component, for all extracts obtained. Rutin is known for its benefits has a potential natural antioxidant. Among all extraction methods investigated, extracts obtained by the Soxhlet method using ethanol as solvent showed a higher total polyphenol content, 2.83% of gallic acid equivalent/g plant material, as well as higher antioxidant activity. A correlation between rutin content and antioxidant activity was found. Soxhlet extractions revealed samples with the highest rutin content of 0.130 ± 0.003 g g-1, what may explain the high antioxidant activity of the obtained A. muricata leaf extracts.

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Published

2022-08-26

How to Cite

Santos, R. K. da S. ., Silva Junior, R. A. da ., Ferreira, M. R. A. ., Soares, L. A. L. ., Stragevitch, L. ., & Danielski, L. (2022). Annona muricata leaf extracts obtained with subcritical water and conventional methods: evaluation of antioxidant activities, total polyphenol and rutin contents. Acta Scientiarum. Technology, 45(1), e61153. https://doi.org/10.4025/actascitechnol.v45i1.61153

Issue

Vol. 45 (2023): Publicação contí­nua

Section

Science, Food Technology and Food Engineering

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