Phenolic Constituents of Eucalyptus camaldulensis Dehnh, with Potential Antioxidant and Cytotoxic Activities

被引:0
作者
Singab, Abdel-Nasser [1 ]
Ayoub, Nahla [1 ]
Al-Sayed, Eman [1 ,2 ]
Martiskainen, Olli [2 ]
Sinkkonen, Jari [2 ]
Pihlaja, Kalevi [2 ]
机构
[1] Ain Shams Univ, Fac Pharm, Dept Pharmacognosy, Cairo 11566, Egypt
[2] Univ Turku, Dept Chem, Lab Organ Chem & Chem Biol, FI-20014 Turku, Finland
关键词
Myrtaceae; Eucalyptus camaldulensis; DPPH; 2-deoxy-2-ribose; HPLC-PDA-ESI/MS/MS; cytotoxicity; CANCER CHEMOPREVENTION; ESSENTIAL OILS; VAR; OBTUSA; ACID; GLYCOSIDES; PRODUCTS; LEAVES;
D O I
暂无
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A liquid chromatography-diode array detection-electrospray ionization mass spectrometric (HPLC-PDA-ESI/MS/MS) method was used for separation and characterization of the phytoconstituents of the aqueous acetone leaf extract of Eucalyptus camaldulensis Dehnh (Myrtaceae). The employed method was optimized for separation, identification and quantification of fifty six compounds including ellagitannins, flavonoids, phloroglucinol derivatives and galloyl esters. The antioxidant effect was determined in vitro using 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl radical and super oxide anion radical scavenging assays. The cytotoxicity of the aqueous acetone extract was evaluated on MCF-7, Hep-2, HepG-2, HeLa, HCT-116 and Caco-2 cell lines. The results indicated that most of the fractions exhibited strong antioxidant activity. The aqueous acetone extract reduced the viability of all cell lines in a dose-dependent manner, and was more active on MCF-7 and HCT-116 cell lines.
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页码:271 / 280
页数:10
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