PHYTOCHEMICAL ANALYSIS, ANTIOXIDANT AND ANTIMICROBIAL ACTIVITIES OF LEAVES EXTRACT OF DATE PALM GROWN IN ALGERIA

被引：0
|
作者：
Laouini, S. E. [1 ,2 ]
Segni, L. [3 ]
Ouahrani, M. R. [3 ]
Gherraf, N. [4 ]
Mokni, S. [5 ]
机构：
[1] Univ Biskra, Dept Ind Chem, POB 145 RP, Biskra 07000, Algeria
[2] El Oued Univ, VTRS Lab, El Oued 39000, Algeria
[3] Univ Ouargla, PE Lab, Ouargla 30000, Algeria
[4] Univ Oum El Bouaghi, Lab BPB, Oum El Bouaghi 04000, Algeria
[5] Lab WTWRTC, Soliman, Tunisia
来源：
JOURNAL OF FUNDAMENTAL AND APPLIED SCIENCES | 2012年 / 4卷 / 02期
关键词：
Phoenyx dactylifera; leaves extract; polyphenol; antioxidant; reducing power;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In this study, we have determined the phenolic compounds, antioxidant and antimicrobial activity of methanolic extracts from three varieties of leaves tree. According to the results the leaves extracts have very important values for polyphenols (215.24 to 156.46 mg GAE / g DW) and high antioxidant activity (324. 45 to 206.21 mg GAE / g DW), DPPH (IC50 = 2.98 to 4.83 mu g / ml) and beta-bleaching test (IC50 = 133. 93 to 194. 12 mu g / ml); also the three extracts reveal a considerable antimicrobial potency and antifungal considerable activity, the diameter of inhibition is 14.4 +/- 0.6 mm for Hamraya, 19.8 +/- 0.5 mm for Ghars and 17.4 +/- 0.8 mm for Deglet Nour (concentration 50 mg / ml) from Staphylococcus aureus ATCC.
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页码：142 / 154
页数：13
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