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