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Table 4 Effect of each plant extract combined with various antibiotics on growth of standard E. coli.

From: Effect of ethnomedicinal plants used in folklore medicine in Jordan as antibiotic resistant inhibitors on Escherichia coli

    %Growth on Combination with antibiotica(± SE)b
  Family Plantc Blankd Amo* Chl* Neo* Doxy* Clarith* Ceph* Nal*
1 Capparidaceae Capparis spinosa L 100 95.5 ± 5.9 NG d NG d 4.0 ± 3.6 93.0 ± 6.1 NG d NG d
2 Compositae Artemisia herba-alba Asso. 100 92.7 ± 7.2 1 ± 4.9 NG d NG d 89.0 ± 4.1 NG d NG d
3 Compositae Echinops polyceras Boiss 100 104.6 ± 6.1 NG d 1.1 ± 3.5 2.5 ± 3.8 80.7 ± 4.6 1.1 ± 4.1 NG d
4 Compositae Gundelia tournefortii L 100 70.8 ± 3.9 1.1 ± 8.7 NG d NG d 90.9 ± 2.7 NG d 1.1 ± 5.6
5 Compositae Varthemia iphionoides Boiss & Blanche 100 85.5 ± 8.6 NG d 1.1 ± 5.4 NG d 103.4 ± 4.0 NG d NG d
6 Cruciferae Eruca sativa Mill. 100 85.5 ± 4.2 1 ± 5.6 1.1 ± 9.4 1.1 ± 8.1 100 ± 5.9 1.1 ± 1.9 1.5 ± 2.5
7 Euphorbiaceae Euphorbia macroclada L. (latex) 100 110 ± 6.4 NG d 1.5 ± 5.6 1.1 ± 6.9 100 ± 4.3 1.9 ± 3.4 1.5 ± 1.8
8 Euphorbiaceae Euphorbia macroclada L. (plant) 100 100.7 ± 5.9 NG d NG d NG d 80.5 ± 7.3 NG d 2.2 ± 3.8
9 Gittiferae Hypericum androsaemum L 100 90.7 ± 6.6 NG d 1.1 ± 4.1 1.5 ± 2.8 80.5 ± 2.5 1.1 ± 7.2 NG d
10 Labiateae Achillea santolina L. 100 80.8 ± 3.4 1.9 ± 2.8 NG d NG d 90.1 ± 2.4 NG d 1.9 ± 1.8
11 Labiateae Mentha piperita L. 100 90.9 ± 8.7 NG d 1.1 ± 9.4 NG d 92.5 ± 8.4 NG d NG d
12 Labiateae Origanum syriacum L. 100 90.8 ± 2.9 NG d NG d 1.1 ± 5.6 80.9 ± 4.5 NG d 1.1 ± 1.9
13 Labiateae Phlomis brachydon (Boiss.) Zohary 100 85.5 ± 5.6 1.1 ± 3.1 NG d NG d 88.5 ± 7.3 NG d NG d
14 Labiateae Teucrium polium L. 100 75.5 ± 9.6 NG d NG d NG d 80.5 ± 7.3 NG d NG d
15 Leguminosae Anagyris foetida L 100 102 ± 4.8 1.5 ± 4.1 NG d NG d 100.5 ± 7.3 1.1 ± 3.2 NG d
16 Leguminosae Trigonella foenum- graecum L. 100 105.9 ± 4.1 NG d 1.5 ± 6.6 NG d 86.0 ± 6.4 1.1 ± 3.1 NG d
17 Theaceae Thea sinensis L. 100 100 ± 3.6 NG d NG d NG d 92.3 ± 8.4 NG d NG d
18 Malvaceae Hibiscus sabdariffa L 100 100 ± 4.3 NG d NG d 5.5 ± 2.2 70.9 ± 1.1 1.5 ± 4.5 NGd
19 Umbelliferae Lepidium sativum L. 100 100 ± 1.6 NG d NG d 1.1 ± 4.1 90.9 ± 2.3 1.1 ± 5.5 55.8 ± 3.2
20 Umbelliferae Pimpinella anisum L. 100 90 ± 2.5 NG d NG d 1.1 ± 9.4 75.5 ± 10.0 1.1 ± 1.8 NG d
  1. a Amoxicillin (Amo), Chloramphenicol (Chl), Neomycin(Neo), Doxycycline (Doxy), Clarithromycin (Clarith), Cephalexin (Ceph) and Nalidixic acid (Nal).
  2. bSE standard error
  3. c plant extracts concentrations was (200 μg/ml)
  4. * Antibiotics concentrations were half the MICs (presented in Table 2)
  5. c Blank containing the solvent with the nutrient agar and the bacteria (allowed full growth of the microorganism (100%)
  6. d NG no detectable growth