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Table 7 The minimum inhibitory concentration (MIC) of singular Symphonia globulifera and Allophylus abyssinicus extracts and their combinations

From: Phytochemical profile and antimicrobial activity of the leaves and stem bark of Symphonia globulifera L.f. and Allophylus abyssinicus (Hochst.) Radlk

Extract

Minimum Inhibitory Concentration (mg/ml)

Staphylococcus

aureus

ATCC 25,923

Escherichia coli

ATCC25922

Pseudomonas

aeruginosa

ATCC 27,853

Candida

albicans ATCC 10,231

AALW

15.62

7.81

7.81

N/A

AALM

7.81

7.81

31.25

500.00

AASW

7.81

31.25

7.81

500.00

AASM

7.81

62.50

3.90

500.00

SGLW

7.81

15.62

31.25

N/A

SGLM

31.25

250.00

31.25

1000.00

SGSM

15.62

250.00

31.25

1000.00

SGSW

7.81

125.00

125.0

N/A

SGLW + AALW

31.25

31.25

7.81

N/A

SGLW + SGLM

7.81

15.62

31.25

500.00

AASW + AALW

3.90

7.81

3.90

N/A

SGLM + AASW

3.90

15.62

15.62

N/A

SGLW + AASW

3.90

15.62

15.62

1000.00

AALW + SGLM

3.90

15.62

62.50

500.00

Ciprofloxacin (µg/ml)

0.26

0.02

0.02

N/A

Fluconazole (µg/ml)

N/A

N/A

N/A

4.00

  1. Key: N/A No antimicrobial activity, AALW Allophylus abyssinicus leaf water extract, AALM Allophylus abyssinicus leaf methanol extract, AASW Allophylus abyssinicus stem bark water extract, AASM Allophylus abyssinicus stem bark methanol extract, SGLW Symphonia globulifera leaf water extract, SGLM Symphonia globulifera leaf methanol extract, SGSM Symphonia globulifera stem bark methanol extract, SGSW Symphonia globulifera stem bark water extract