| Extracts |
Lipids |
Miscellaneous |
| Bovine Brain |
Oxidized cholesterol |
Chlorophylls |
| Yeast |
7-dehydrocholesterol |
Xanthophylls |
| Sheep erythrocyte |
Phosphatidyl ethanolamine |
Retinol |
| E. coli |
Phosphatidyl inositol |
trans and cis retinal |
| Rat liver mitochondria |
Phosphatidyl serine |
B-carotene |
| Chlorella |
Sphingomyelin |
Phosphatidylglycerol |
| Spinach chloroplast |
1,2-dipalmitoyl-glycerol-3-phosphoryl choline |
Diglucosyldiglyceride |
| S. fecalis spheroplast |
Egg and synthetic lecithins |
|