Journal
MOLECULES
Volume 28, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/molecules28196895
Keywords
anti-aging; anioxidant; Faucaria tuberculosa; hyaluronidase enzyme; tyrosinase enzyme; molecular docking simulation
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This study investigated the phytochemical content and biological potential of Faucaria tuberculosa, revealing its rich antioxidant properties and potent inhibitory effects on tyrosinase and hyaluronidase enzymes.
Research targeting natural cosmeceuticals is now increasing due to the safety and/or limited side effects of natural products that are highly valued in cosmetology. Within a research program exploring botanical sources for valuable skincare antioxidant components, the current study investigated the phytochemical content and the biological potential of Faucaria tuberculosa. Phytochemical investigation of F. tuberculosa extract resulted in purification and characterization of six phytoconstituents, including a new one. The structure of the new constituent was elucidated as (-) catechin-(2 -> 1 ',4 -> 2 ')-phloroglucinol (4). The structural identity of all isolated compounds were confirmed on the basis of extensive physical and spectral (1D, 2D-NMR and HRESIMS) investigations. The ethanolic extract exhibits a rich content of total phenolics (TPC) and total flavonoids (TFC), estimated as 32 +/- 0.034 mg GAE/g and 43 +/- 0.004 mg RE/g, respectively. In addition, the antioxidant (ABTS and FRAP), antihyaluronidase and antityrosinase activities of all purified phytoconstituents were evaluated. The results noted (-) catechin-(2 -> 1 ',4 -> 2 ') phloroglucinol (4) and phloroglucinol (1) for their remarkable antioxidant activity, while isorhamnetin 3-O-rutinoside (3) and 3,5-dihydroxyphenyl beta-D-glucopyranoside (2) achieved the most potent inhibitory activity against tyrosinase (IC50 22.09 +/- 0.7 mu M and 29.96 +/- 0.44 mu M, respectively) and hyaluronidase enzymes (IC50 49.30 +/- 1.57 mu M and 62.58 +/- 0.92, respectively) that remarkably exceeds the activity of the standard drugs kojic acid (IC50 = 65.21 +/- 0.47 mu M) and luteolin, (IC50 = 116.16 +/- 1.69 mu M), respectively. A molecular docking study of the two active compounds (3 and 2) highlighted their high potential to bind to the active sites of the two enzymes involved in the study.
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