Bioassay-Guided Skin-Beneficial Effects of Fractionated Sideritis raeseri subsp. raeseri Extract

This study aimed to evaluate the potentials for skin-beneficial effects of the hydroethanolic extract of the aerial parts of ironwort ( Boiss. & Heldr. subsp. ) and its fractions (petroleum ether, ethyl acetate, n-butanol and water). For these purposes, chemical analysis and in vitro antioxidant...

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Bibliographic Details
Published in:Plants (Basel) 2022-10, Vol.11 (20), p.2677
Main Authors: Krgović, Nemanja, Jovanović, Miloš, Aradski, Ana Alimpić, Janković, Teodora, Stević, Tatjana, Zdunić, Gordana, Laušević, Sonja Duletić, Šavikin, Katarina
Format: Article
Language:English
Subjects:
Acetic acid
Acids
Aging
Antiinfectives and antibacterials
Antimicrobial activity
Antimicrobial agents
antioxidant activity
Antioxidants
Bioassays
Butanol
Chemical analysis
Chlorogenic acid
Enzymes
Ethyl acetate
Flavonoids
ironwort
Petroleum ether
Phenolic compounds
phenolics
Phenols
Pseudomonas aeruginosa
Sideritis
Skin diseases
Solvents
sun protection factor
Tyrosinase
tyrosinase inhibition
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Summary:This study aimed to evaluate the potentials for skin-beneficial effects of the hydroethanolic extract of the aerial parts of ironwort ( Boiss. & Heldr. subsp. ) and its fractions (petroleum ether, ethyl acetate, n-butanol and water). For these purposes, chemical analysis and in vitro antioxidant, anti-tyrosinase and antimicrobial assays, as well as determination of sun protection factor (SPF), were performed. The highest total phenolic content and quantity of individual flavonoids, chlorogenic acid and verbascoside were determined in the n-butanol fraction, which is in line with results obtained for antioxidant activity. The greatest antimicrobial activity against , and , the most common causative agents of the skin infections in humans, was exhibited by the ethyl acetate fraction. The strongest anti-tyrosinase activity was shown by the hydroethanolic extract (52.64% of inhibition at 100 μg/mL). Almost all tested samples showed photoprotective activity with SPF higher than 6 obtained at a low concentration of 0.1 mg/mL, which was more than 15 for the butanol fraction. These findings revealed that the hydroethanolic extract of aerial parts could be a valuable ingredient in the formulation of cosmetic and medicinal products intended to overcome various skin disorders.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants11202677