Comparative screening of the anti-oxidant and antimicrobial activities of Sempervivum marmoreum L. extracts obtained by various extraction techniques

Abstract

This paper presents a comparative study of the anti-oxidant and anti--microbial activities, total phenolic compounds and total flavonoids in extracts obtained from houseleek (Sempervivum marmoreum L.) leaves by the classical (maceration), ultrasonic and Soxhlet extraction (CE, UE and SE, respectively). The extract obtained by the CE contained higher amounts of phenolic and flavonoid compounds and showed a better antioxidant activity than those obtained using other two techniques. All the extracts, independent of the extraction technique applied, showed antimicrobial activities against Aspergillus niger and Candida albicans only but not against the tested bacteria.

Antioxidant and antigenotoxic potencies of Sempervivum armenum on human lymphocytes in vitro

“…According to the literature, the S. tectorum has important biological properties including antioxidant, antinociceptive, liver-protecting, membrane stabilizing effect, antimicrobial, antiinflammatory activity (Stojicevic et al 2008;Alberti et al 2008;Kekesi et al 2003;Abram and Donko 1999). But, there is not enough information about S. armenum.…”

“…Previous studies on the genus Sempervivum L. were directed to the biological activities of exchange isolated by different extraction methods (Stojicevic et al 2008;Alberti et al 2008;Kekesi et al 2003;Abram and Donko 1999). The juice of S. tectorum was applied to herpetic eruptions of the skin, minor burns and wounds (Alberti et al 2008).…”

“…The juice of S. tectorum was applied to herpetic eruptions of the skin, minor burns and wounds (Alberti et al 2008). In addition to antinociceptive, liver-protecting, membrane stabilizing effect, antimicrobial, antiinflammatory and in vitro antioxidant features, S. tectorum extracts have been described in recent works (Stojicevic et al 2008;Alberti et al 2008;Kekesi et al 2003;Abram and Donko 1999).…”

Folk food and medicinal botanical knowledge among the last remaining Yörüks of the Balkans

“…as a medicinal herb primarily used for diseases of the ear and related pain symptoms is well known and described in ethnobotanical studies. Sempervivum tectorum is a species found in many parts of Europe, including Romania, Kosovo, Albania, and Serbia [37][38][39][40][41][42]. Furthermore, S. tectorum has been reported as a cure for shingles, dysentery, and headaches [42].…”

“…Furthermore, S. tectorum has been reported as a cure for shingles, dysentery, and headaches [42]. It is an effective agent for the treatment of wounds, sores, burns, abscesses, or painful areas; the juice, freshly squeezed from leaves, as well as refrigerated juice, is a certain remedy for insect bites and for easing ear pain and inflammation, while tea prepared from its leaves is recommended for the treatment of ulcers [38]. Traditional knowledge of the anti-oxidant and antimicrobial properties of different extracts of S. marmoreum was tested.…”