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Table 1 Lipid composition of canine cerumen of 12 healthy dogs and 12 dogs with acute moderate, non-purulent OE

From: Ceruminal diffusion activities and ceruminolytic characteristics of otic preparations – an in-vitro study

Lipid

% of Total lipids

 

Healthy dogs

 

OE dogs

 
 

Mean

Standard deviation

Mean

Standard deviation

Alkanes

n.q.

n.q.

n.q.

n.q.

Cholesterol

1.68

0.66

1.55

1.28

Cholesteryl sulphate

0.12

0.13

0.08

0.13

Ceramide [AP]

0.78

0.38

0.71

0.75

Ceramide [AP/AS]

0.48

0.23

0.35

0.35

Ceramide [AS]

0.31

0.22

0.25

0.27

Ceramide [EOS]

n.d.

n.d.

n.d.

n.d.

Ceramide [NP]

0.45

0.22

0.48

0.34

Ceramide [NS]

0.33

0.27

0.66

0.56

Fatty acid ester

8.50

3.36

5.79

4.47

Free fatty acids

1.50

0.62

1.42

1.21

Galactocerebrosides

0.31

0.34

0.23

0.50

Phospholipids

0.08

0.12

0.29

0.60

Squalene

2.08

2.41

3.19

2.58

Sterol ester*

14.30

10.24

6.97

5.07

Triglycerides

21.01

6.08

18.89

13.99

  1. The quantities are expressed as means and standard deviations after determination with thin layer chromatography, n.d. = not detectable, n.q. = not quantifiable; asterisks indicate p < 0.05 (t-test with Mann Whitney test, two-tailed).
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BMC Veterinary Research

ISSN: 1746-6148

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