Effect of polar solvent on the efficiency of phenolic compounds and antioxidant potency of the lavender wild growing in Tunisia

Imen Lahmar; Lyubov  Yotova; Karima Belghith

doi:10.56027/JOASD.012023

Authors

Imen Lahmar
Lyubov Yotova
Karima Belghith

DOI:

https://doi.org/10.56027/JOASD.012023

Keywords:

Lavandula stoechas, solvent, polyphenols content, antioxidant activity

Abstract

A highest polar solubility of phenolic and flavonoids compounds of Lavandula stoechas during extraction process required the appeal of the appropriate solvent. Extraction following an increase ingredient of polarity revealed that the chloroform followed by the ethyl-acetate act as the best solvents able to release polyphenols. Total phenolic and flavonoids extracted with chloroform were respectively, 282.7 mg Eq GAE/g DW and 125.91 mg Eq QE/g DW. Even for the other implied solvents, an importance richness of the lavender on polyphenols was recorded. Estimated amounts of polyphenols were correlated to the highest antioxidant potency. Main functional groups were detected and identified by Fourier transform infrared spectrophotometer (FTIR). Results gave to the studied species an important alternative as a promising ecological natural source of bioactive antioxidant compounds. In addition, it may be also incorporated in food, pharmaceutical and cosmetics manufactures.

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