The Cosmetic Potential of The Medicinal Halophyte Tamarix Gallica L. (Tamaricaceae) Growing in The Eastern Part of Algeria: Photoprotective and Antioxidant Activities

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Author(s): Mostefa Lefahal, El-Hani Makhloufi, Warda Trifa, Radia Ayad, Mohamed El Hattab, Merzoug Benahmed, Merve Keskin*, Salah Akkal

Journal Name: Combinatorial Chemistry & High Throughput Screening
Accelerated Technologies for Biotechnology, Bioassays, Medicinal Chemistry and Natural Products Research


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Abstract:

Aim and Objective: Currently, the use of ingredients from natural sources has gained great attention in cosmetic field especially for the development of new photoprotective formulations. Therefore, the present study aimed to evaluate the cosmetic potential of the methanolic crude extract and the ethyl acetate fraction of the medicinal halophyte Tamarix gallica (Tg) growing in the area of Tebessa in eastern of Algeria, by assessing their phenolic and flavonoid contents, photoprotective and antioxidant activities.

Methods: The research approach consisted of determination phenolic and flavonoid contents of aerial parts via FolinCiocalteu and aluminum chloride methods respectively. The antioxidant activity was measured through two in vitro methods DPPH radical scavenging activity and total antioxidant capacity test (TAC). The in vitro photoprotective effect was performed according to the parameter SPF (Sun Protection Factor) by using UV spectroscopic method in UV-B region (290-320 nm).

Results: The methanolic extract (Tg-MeOH) and ethyl acetate (Tg-EtOAc) fraction showed good antioxidant activity with IC50’s 14,05±0,66, 27,58±1,98 µg/mL respectively in DPPH test. Furthermore, both extracts displayed strong total antioxidant capacity (287.01±7.85, 246.7±1.12 mg AAE/g, respectively) in TAC test. Both extracts exhibited high photoprotective activity, with sun protection factor (SPF) values 37.03±0.22 and 36.08±0.03. The antioxidant and photoprotective activities of these extracts is probably related to polyphenols content (190.27±0.74 mg AGE /g and 121.77±1.29 mg AGE /g, respectively) , and flavonoids (78.75±0.06 mg QE /g and 58.67±1.19mg/g).

Conclusion: Our finding show that extracts of Tamarix gallica L could be a promising source to be mixed as natural sunscreens and antioxidants agent into photoprotective cosmetic formulations.

Keywords: Sun protection factor, photoprotective activity, Tamaricaceae, chemical analysis, spectroscopy, statistics.

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(E-pub Ahead of Print)
DOI: 10.2174/1386207323666201204141541
Price: $95

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