Table 3 The activity (µg/ml) of propolis against wild type and miltefosine-APC12 resistant L. mexicana (C12Rx).

From: European propolis is highly active against trypanosomatids including Crithidia fasciculata

Propolis ID

L. mexicana wild type

L. mexicana C12Rx

Resistance Index

ttest

(µg/mL)

(µg/mL)

Suffolk 4, UK

1.04 ± 0.19

0.81 ± 0.15

0.78

0.40

Bulgaria 1

0.35 ± 0.03

0.29 ± 0.04

0.85

0.33

Suffolk 2, UK

0.85 ± 0.14

0.45 ± 0.03

0.53

0.048

North Yorkshire 1, UK

0.90 ± 0.17

0.94 ± 0.15

0.96

0.87

Northamptonshire 1, UK

0.59 ± 0.05

0.28 ± 0.08

0.48

0.029

Essex 1, UK

0.62 ± 0.07

0.37 ± 0.07

0.60

0.073

Essex 2, UK

0.89 ± 0.10

0.42 ± 0.09

0.47

0.027

Norfolk 1, UK

1.94 ± 0.44

0.61 ± 0.003

0.31

0.027

Devon 1, UK

4.97 ± 0.23

0.95 ± 0.16

0.25

0.00014

Leicestershire 1, UK

5.67 ± 0.43

1.33 ± 0.09

0.23

0.00058

Leicestershire 2, UK

4.71 ± 0.33

1.06 ± 0.02

0.23

0.00041

Derbyshire, UK

1.23 ± 0.08

0.50 ± 0.17

0.41

0.016

Lithuania 1

1.51 ± 0.06

1.35 ± 0.02

0.89

0.064

Lithuania 2

0.65 ± 0.12

1.55 ± 0.01

2.38

0.0018

Suffolk 1, UK

0.67 ± 0.05

0.79 ± 0.09

1.17

0.32

Suffolk 3 UK

1.02 ± 0.18

0.50 ± 0.04

0.49

0.048

Bulgaria 2

1.13 ± 0.17

0.69 ± 0.22

0.61

0.19

Bulgaria 3

1.17 ± 0.18

0.78 ± 0.11

0.67

0.14

Cambridgeshire 1, UK

2.38 ± 0.40

1.53 ± 0.21

0.64

0.13

Norfolk 2, UK

0.93 ± 0.06

0.60 ± 0.05

0.65

0.020

Northamptonshire 2, UK

0.65 ± 0.05

0.49 ± 0.002

0.78

0.018

North Yorkshire 2

2.68 ± 0.15

1.36 ± 0.08

0.51

0.003

Northern Ireland

0.61 ± 0.05

0.78 ± 0.17

1.27

0.17

North Yorkshire 4, UK

0.72 ± 0.22

0.67 ± 0.06

0.94

0.75

North Yorkshire 5, UK

0.42 ± 0.12

0.58 ± 0.07

1.38

0.12

Miltefosine APC 12

0.1 ± 0.03

67.0 ± 12.6

670

<0.001

Miltefosine APC 16

2.0 ± 0.20

56 ± 9.7

28

<0.001

  1. All EC50 values are given as average ± SEM (n = 3). Statistical difference between EC50 values of the same sample against two strains was analysed using Student’s unpaired t-test.