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Table 2 Percentage yield and antimicrobial activity of Punica granatum extracts and pure compounds against clinical isolates

From: Punicalagin, a pomegranate polyphenol sensitizes the activity of antibiotics against three MDR pathogens of the Enterobacteriaceae

Sr. No.

 

Solvent

Concentration % (v/v)

Extract Yield (%)

S. typhimurium

S. typhi

E. coli

 

Extract

      

1

PPE

Methanol

100

8.06

13.0

11.0

13.0

2

  

80

10.12

18.0

20.0

20.0

3

 

Ethanol

100

9.0

14.0

13.0

11.0

4

  

70

11.5

16.0.

17.0

17.0

5

 

Ethyl acetate

100

0.94

7.0

7.0

7.0

6

 

Distilled H2O

100

8.10

11.0

9.0

9.0

7

 

Distilled H2O with boiling

100

8.57

11.0

9.0

11.0

8

PDSE

Methanol

100

11.2

9.0

9.0

9.0

9

  

80

15.3

11.0

11.0

11.0

10

 

Ethanol

100

9.00

9.0

9.0

9.0

11

  

70

12.5

10.0

10.0

10.0

12

 

Ethyl acetate

100

1.66

7.0

7.0

7.0

13

 

Distilled H2O

100

13.5

9.0

9.0

9.0

14

 

Distilled H2O with boiling

100

13.45

9.0

9.0

9.0

15

PWFE

Methanol

100

8.49

13.0

13.0

11.0

16

  

80

10.3

17.0

15.0

15.0

17

 

Ethanol

100

8.04

11.0

11.0

11.0

18

  

70

9.45

13.0

13.0

13.0

19

 

Ethyl acetate

100

0.51

7.0

7.0

7.0

20

 

Distilled H2O

100

9.29

11.0

10.0

10.0

21

 

Distilled H2O with boiling

100

9.18

11.0

11.0

9.0

22

PFSE

Methanol

100

11.3

9.0

9.0

9.0

23

  

80

17.6

13.0

13.0

12.0

24

 

Ethanol

100

9.05

9.0

9.0

9.0

25

  

80

19.2

11.0

11.0

10.0

26

 

Ethyl acetate

100

0.73

7.0

7.0

7.0

27

 

Distilled H2O

100

8.97

9.0

9.0

9.0

28

 

Distilled H2O with boiling

100

8.67

9.0

9.0

9.0

 

Pure compounds

      

29

Ellagic acid

  

–

0.0

0.0

0.0

30

Punicalagin

  

–

14(Hazy)

17(Hazy)

13(Hazy)

  1. PPE pomegranate peel extract: PDSP Pomegranate dried seed extract: PWFE Pomegranate whole fruit extract: PFSE pomegranate fresh seed extract