Towards green extraction: A study on solvent selection and methods for antioxidant activities of Diplazium esculentum Retz. and Stenochlaena palustris

Towards green extraction: A study on solvent selection and methods for antioxidant activities of Diplazium esculentum Retz. and Stenochlaena palustris

HAZIMAH Sharifulazar, AIDA Maryam Basri, MASAYOSHI Arai

Abstract. Green extraction method by combination of stirring method with no presence of heat and the use of aqueous as solvent were highlighted in this study. Various solvents (aqueous, chloroform, ethyl acetate, hexane and methanol) and two extraction methods (stirring and Soxhlet) were used to study their effect on the yield, qualitative phytochemical content, and antioxidant properties of Diplazium esculentum Retz. and Stenochlaena palustris. Stirring extraction method in aqueous has shown to provide highest yield in both plant species with D. esculentum at 8.88% and S. palustris at 9.40%. Saponin was also seen present in both aqueous extracts qualitatively. In the case of FRAP (Ferric Reducing Antioxidant Power) assay, aqueous extract of D. esculentum (DEA) had the highest value with 687.57 + 0.01 μg Fe(II)E/ml, while stirring method in various solvents had shown to produce high antioxidant activities compared to Soxhlet method. This study revealed that aqueous extracts by stirring method is a promising method for extraction of plant materials and at the same time leading towards a green environment.

Keywords
Aqueous, Green Extraction, Antioxidant, Diplazium Esculentum Retz., Stenochlaena Palustris

Published online 5/20/2023, 7 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: HAZIMAH Sharifulazar, AIDA Maryam Basri, MASAYOSHI Arai, Towards green extraction: A study on solvent selection and methods for antioxidant activities of Diplazium esculentum Retz. and Stenochlaena palustris, Materials Research Proceedings, Vol. 29, pp 493-499, 2023

DOI: https://doi.org/10.21741/9781644902516-56

The article was published as article 56 of the book Sustainable Processes and Clean Energy Transition

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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