Abstract
Antioxidant and antimicrobial activities as well as total phenols and flavonoids contents of Salvia glutinosa L. (glutinous sage) and Salvia officinalis L. (sage) extracts were studied. Methanol and aqueous ethanol (70% v/v) were used for extraction of bioactive compounds, both in the presence and the absence of ultrasound, from herb and the spent plant material remaining after the essential oil hydrodistillation. The ratio of plant material to extracting solvent was 1:10 g/ml. Antioxidant and antimicrobial activities of the extracts were found to depend on the type of plant material and the extraction conditions. The plant materials from which essential oil had been recovered were proven to be valuable raw materials for making various herbal preparations.
Highlights
Antioxidant and antimicrobial activities as well as total phenols and flavonoids contents of Salvia glutinosa L. and Salvia officinalis L. extracts were studied
The extractable substances (ES) yield was higher from S. glutinosa than from S. officinalis, except from herbal material when aqueous ethanol (70% v/v) was used as extracting solvent
In earlier work [12,13], it was reported that the ES yield from S. officinalis using aqueous ethanol was higher than that from S. glutinosa
Summary
Antioxidant and antimicrobial activities as well as total phenols and flavonoids contents of Salvia glutinosa L. (glutinous sage) and Salvia officinalis L. (sage) extracts were studied. Antioxidant and antimicrobial activities of extracts obtained from herb and SPM of S. glutinosa by ultrasound-assisted extraction (UE) and classical solvent extraction (CE) using methanol and 70% v/v aqueous ethanol as extracting solvents were studied.
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