Vol 61 No 3 (2016): Journal of the Chilean Chemical Society
Original Research Papers
EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES
Published
September 10, 2016
Keywords
- ORACFL,
- ESR,
- DPPH,
- Flavonoids,
- Micelle
- Antioxidants ...More
How to Cite
Barriga González, G., Chamorro, E., Salinas, M., Modak, B., & Olea, C. (2016). EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES. Journal of the Chilean Chemical Society, 61(3). Retrieved from https://jcchems.com/index.php/JCCHEMS/article/view/92
Copyright (c) 2017 Germán Barriga González, Eduardo Chamorro, Melissa Salinas, Brenda Modak, Claudio Olea
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Abstract
The antioxidant capacity has been determined for a number of flavonoid compounds from Heliotropium sinuatum, a plant that grows in arid areas in the north of Chile. The methodologies used were: ORACFL (oxygen radical absorbance capacity - fluorescein), DPPH (2,2-diphenyl-2-picrylhydrazyl) bleaching and electron spin resonance (ESR). These compounds were studied in homogeneous and heterogeneous media. The results showed that the 7-o-methyleriodictiol and 3-o-methylisorhamnetin are those with the highest antioxidant capacity.
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