期刊
COSMETICS
卷 9, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/cosmetics9060143
关键词
Arbutus unedo; phytocosmetics; phenolic compounds; antioxidants; anti-inflammatory; anti-tyrosinase; cosmetic formulation; nanoemulsion
资金
- Tunisian Ministry of Higher Education and Scientific Research [LR19CBBC06]
The study demonstrates that the water reflux extract from Arbutus unedo is enriched with phenolic compounds, displaying significant antioxidant and whitening effects, as well as moderate anti-inflammatory activity, while being non-toxic to cells.
Phenolic compounds are valuable cosmetic ingredients. They display skin protective potential and play an important role in preserving cosmetic formulations due to their ability to neutralize free radicals. Considering this fact, the current study aims to obtain a phenolic-enriched fraction from Arbutus unedo for topical application in cosmeceutical products. The chemical composition and the antioxidant, anti-inflammatory, and anti-tyrosinase activities of different extracts from the plant were investigated and compared. Samples were obtained by maceration, reflux, and ultrasound using water and ethanol. The findings indicated that the extraction methods impacted the phytochemical composition of the extracts. The high-performance liquid chromatography with diode-array detection (HPLC-DAD) analysis showed a wide range of phenolic compounds, comprising phenolic acids and flavonoids. Among the extracts, the water reflux had significant levels of both total polyphenols, flavonoids, and tannins and possessed the most important content on hyperoside. It displayed the most significant antioxidant activities with high antiradical and reducing power, as well as strong total antioxidant activity. It possesses a promising whitening effect with high anti-tyrosinase activities. Furthermore, it shows no cytotoxicity and moderate anti-inflammatory activity. Finally, due to its high yield efficiency and activities, water reflux was selected to formulate a cosmeceutical oil-in-water nanoemulsion that displayed optimal pH and stability.
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