Abstract

In the present work, the extraction and the variation of total phenolic and the flavonoid content of the Halimium halimifolium plant (the leaves and the stems) harvested from Morocco have been studied. It explores extracting the essential oil of this plant and analyzing its chemical composition by the gas chromatography-mass spectrometry (GC/MS). Interesting results have been obtained, in particular, the presence of 26 compounds where the major one is (+)-2-Bornanone (38.26%) followed by Eucalyptol (27.74%). This essential oil proves great antioxidant capacities which is measured with the total antioxidant activity (TAC) and the organic chemical compound 2,2-diphenyl-1-picrylhydrazyl (DPPH) assays. On the other hand, using solvents with different polarities (the hexane, the dichloromethane, the ethyl acetate, the ethanol, and the water), the quantifying of the total phenolic and the flavonoid content for different crude extracts of the Halimium halimifolium was done. The results show simultaneous increasing in the total phenolic content of the crude extract and the solvent polarity.

Highlights

  • Since a long time, the plants were used for the traditional medicine due to their therapeutic effects against various diseases. e products of the plant derivatives were utilized due to their antioxidant properties, low toxicity, and strong bioactivities [1]

  • Some crude extracts of the aromatic plants are rich in the total phenolic contents. ey revealed a significant total antioxidant activity that could be used as a potential natural source of the antioxidants to prevent the oxidative stress [3]

  • The aim of the present work is to highlight the correlation between the total phenolic contents and the antioxidant activities that were achieved by Total Antioxidant Activity (TAC) and DPPH assays of different crude extracts from the leaves and the stems of the Halimium halimifolium plant

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Summary

Introduction

The plants were used for the traditional medicine due to their therapeutic effects against various diseases. e products of the plant derivatives were utilized due to their antioxidant properties, low toxicity, and strong bioactivities [1]. Some crude extracts of the aromatic plants are rich in the total phenolic contents. We are interested in Cistaceae family, in particular, the Halimium halimifolium harvested from Morocco, which has not been yet studied. It is a Mediterranean medicinal plant [4] used as stomach treatment and to eject intestinal gas [5]. The aim of the present work is to highlight the correlation between the total phenolic contents and the antioxidant activities that were achieved by TAC and DPPH assays of different crude extracts from the leaves and the stems of the Halimium halimifolium plant. We have studied the chemical composition of the essential oil of the Halimium halimifolium and its total antioxidant activities

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