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Table 1 Minimum inhibitory concentration values (MIC) of Terminalia bellirica fruit extracts obtained by different extraction methods, against 16 MDR strains (from clinical isolates), 1 ATCC MDR strain and 3 ATCC susceptible strains

From: Terminalia bellirica fruit extracts: in-vitro antibacterial activity against selected multidrug-resistant bacteria, radical scavenging activity and cytotoxicity study on BHK-21 cells

Microorganisma

Minimum inhibitory concentration (MIC) in mg/mL

Direct aqueous extracts

Sequential extracts

Reflux method

Bottle- shaker method

Sonication method

Soxhlet method

Bottle-shaker method

Sonication method

DCMb

Methanol

Aqueous

DCM

Methanol

Aqueous

DCM

Methanol

Aqueous

1

0.5

0.5

0.5

NAc

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

2

0.5

0.5

0.5

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

3

0.25

0.5

0.25

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

4

0.25

0.5

0.25

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

5

0.25

0.5

0.25

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

6

0.25

0.5

0.25

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

7

0.25

0.5

0.25

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

8

0.25

0.5

0.5

NA

0.25

0.5

NA

0.5

0.5

NA

0.5

0.5

9

>  5

>  5

>  5

NA

>  5

4

NA

>  5

4

NA

>  5

4

10

>  5

>  5

>  5

NA

>  5

4

NA

>  5

4

NA

>  5

4

11

0.5

1

1

NA

0.5

1

NA

1

1

NA

1

1

12

0.5

1

0.5

NA

0.5

1

NA

1

1

NA

1

1

13

>  5

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

14

>  5

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

15

0.5

4

1

NA

1

2

NA

4

2

NA

4

2

16

0.5

4

1

NA

0.5

1

NA

1

1

NA

1

1

17

0.25

0.25

0.5

NA

0.5

1

NA

1

1

NA

1

1

18

0.25

0.25

0.25

NA

0.5

1

NA

1

1

NA

1

1

19

>  5

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

20

>  5

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

NA

>  5

>  5

  1. aMicroorganisms: 1–8 – MRSA; 9,10 - ESBL producing E. coli; 11,12 - MDR Acinetobacter spp.; 13,14 - MDR K. pneumoniae; 15,16 - MDR P. aeruginosa;17,18 - S. aureus ATCC 25923 and NCTC 6571; 19 - E. coli ATCC 25922; 20 - ESBL producing K. pneumoniae ATCC 700603
  2. bDCM dichloromethane
  3. cNA Not applicable