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Year : 2021  |  Volume : 10  |  Issue : 1  |  Page : 130-136

Evaluation of total phenolics, flavonoids, and antioxidant and cytotoxic potential of Ailanthus altissima (Mill.) swingle leaves

1 Laboratory of Medicinal Chemistry, Theodor Bilharz Research Institute, Giza, Egypt
2 Department of Chemistry, Faculty of Science, Ain-Shams University, Cairo, Egypt
3 Laboratory of Biochemistry and Molecular Biology, Theodor Bilharz Research Institute, Giza, Egypt

Correspondence Address:
Dr. Heba Raafat Mohamed
Laboratory of Medicinal Chemistry, Theodor Bilharz Research Institute, Korniash El-Nile, 12411Warrak El-Hadar, Giza.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jrptps.JRPTPS_7_21

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Context: People all over the world are suffering from cancer. Liver cancer is considered the second most common malignancy among Egyptian men and the sixth most common malignancy among Egyptian women. Plant-derived antioxidants are believed to prevent or delay the occurrence of many chronic diseases such as cancer. Ailanthus altissima has been used in many traditional prescriptions. Aims: The current study aimed at investigating the phytochemical profile of A. altissima leaves’ extract and its derived fractions, determining their content of phenolics and flavonoids as well as assessing their antioxidant and cytotoxic potential. Materials and Methods: The phytochemical screening was carried out using standard methods. The total phenolic, flavonoid, and flavonol contents were determined using Folin-Ciocalteu, aluminum chloride, and aluminum chloride/ sodium acetate assays, respectively. The antioxidant activity was evaluated using different in vitro methods: DPPH, total antioxidant capacity, hydroxyl (OH), nitric oxide (NO) radical scavenging activities, and permanganate-reducing antioxidant capacity (PRAC). The antiproliferative potential against HepG2 cells was evaluated using sulforhodamine-B assay (SRB). Results: The results showed that the ethyl acetate fraction had the highest content of phenolics, flavonoids, and flavonols (551.72 ± 1.81 mg GAE/g ext., 371.24 ± 4.36 mg RE/g ext., and 100.47 ± 1.30 mg QE/g ext., respectively). It also had the most potent reducing power (DPPH SC50 = 7.19 ± 0.05 µg/mL, TAC= 369.88 ± 1.51 mg AAE/g ext., OH SA = 95.46 ± 0.14%, NO SA = 40.65 ± 0.91%, and PRAC = 77.19 ± 0.27%). The n-butanol fraction exhibited the most potent cytotoxic potential against HepG2 cells (IC50 = 16.70 µg/mL). Conclusion: A. altissima leaves could be considered potent antioxidant and cytotoxic alternatives.

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