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Table 2 Antibacterial activities of compounds 19 against E. coli and S. aureus

From: Bitterness and antibacterial activities of constituents from Evodia rutaecarpa

Compounds E. coli S. aureus
1 mg/ml 0.33 mg/ml 0.11 mg/ml 0.037 mg/ml 1 mg/ml 0.33 mg/ml 0.11 mg/ml 0.037 mg/ml
1 + + + + + +
2 + + + + +
3 + + + + +
4 + + + + + + +
5 + + + + + + +
6 + + + + + + +
7 + + + + + + +
8 + +
9 + + +
  1. 1. “+” represents bacteria can be observed in the experimental concentration; “” represents bacteria can not be observed in the experimental concentration
  2. 2. Four compound concentration levels (1 mg/ml、0.33 mg/ml、0.11 mg/ml、0.037 mg/ml) represent four antibacterial activity intensities (0、1、2、3), respectively