Table 2c Composition (%) of crude and pure lecithin
Component Crude lecithin (oily)1 Pure lecithin (powder) (deoiled)1 Crude lecithin (oily)2 Lecithin, crude3
Total phospholipids 65 98    
Choline phospholipids 15 23 1921 35
Ethanolamine phospholipids 14 21 820 29.7
Inositol phospholipids 13 19 2021 18.5
Other phospholipids 10 15 511  
Phosphatidic acid 4 6    
Glycolipids 9 14    
Oil and other substances 35 2 3335  
Carbohydrates, sterols   5    
Sterols     25  
Carbohydrates, free     5  
Phosphatidylserine PS       8.4
Sphingomyelin       2.3
Lysophosphatidylcholine LPC       1.6
Unknown phospholipids UK       4.5
Total 100 100   100
1Hertrampf (1991); 2Scholfield, (1981); 3Teshima, Kanazawa and Kakuta (1986)