Assessment of antioxidant activities of three wild medicinal plants from Bahrain

This study reports the antioxidant properties of three wild medicinal plants from Bahrain, namely Aizoon canariense L., Asphodelus tenuifolius Cav., and Emex spinosus (L.) Campdera. Antioxidant and antiradical activities of dried materials of these plants were investigated using FRAP, DPPH and ABTS...

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Bibliographic Details
Published in:Arabian journal of chemistry 2019-12, Vol.12 (8), p.2365-2371
Main Authors: Al-Laith, Abdul Ameer, Alkhuzai, Jameel, Freije, Afnan
Format: Article
Language:English
Subjects:
ABTS
Aizoon canariense
Asphodelus tenuifolius
DPPH
Emex spinosus
FRAP
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Summary:This study reports the antioxidant properties of three wild medicinal plants from Bahrain, namely Aizoon canariense L., Asphodelus tenuifolius Cav., and Emex spinosus (L.) Campdera. Antioxidant and antiradical activities of dried materials of these plants were investigated using FRAP, DPPH and ABTS assays. Total phenolics, free phenolics and total flavonoids were also determined. E. spinosus was ranked by the assays as the plant possessing the highest antioxidant and antiradical activities with an average FRAP value of 1.84mmol/g and IC50 of 10.7 and 7.75mg/ml for DPPH and ABTS assays, respectively. A. tenuifolius ranked second with a mean FRAP value of 0.69, IC50 DPPH of 1.72 and ABTS of 0.36. A. canariense possessed the lowest activities with a mean FRAP value of 0.6, and averaged IC50 of 103.8 and ABTS of 14.6. E. spinosus possessed the highest content of free phenolics (mg/100g) (64.64) followed by A. tenuifolius (45.21) and A. canariense (32.23). E. spinosus also exhibited the highest total flavonoids with an average 82.71mg/100g followed by A. canariense (55.92) and A. tenuifolius (49.10). The studied medicinal plants possess considerable antioxidant activities and may contribute to the well-being of individuals who consume them.
ISSN:1878-5352
1878-5379
DOI:10.1016/j.arabjc.2015.03.004