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Table 2 Minimum Inhibitory Concentration of CHET and Doxycycline

From: Antibacterial, antifungal and antioxidant activities of the ethanol extract of the stem bark of Clausena heptaphylla

Test organism

Source ID (ATCC)

MIC value

CHET (μg/ml)

Doxycycline hydrochloride (μg/ml)

Gram-positive

Bacillus subtilis

11774

2000

5.0

Staphylococcus aureus

25923

2500

5.5

Bacillus cereus

10876

2500

4.5

Bacillus polymyxa

842

3000

6.0

Bacillus megaterium

13578

3000

5.5

Enterococcus faecalis

29212

3000

4.5

Gram-negative

Salmonella typhi

65154

3500

5.5

Shigella flexneri

12022

3000

6.0

Klebsiella pneumoniae

13883

3500

6.5

Shigella sonnei

8992

3500

5.5

Proteus vulgaris

13315

2000

4.5

E. coli

25922

2500

5.0

Vibrio cholerae

15748

3000

5.0

Pseudomonas aeruginosa

27853

2500

4.5