Lipids

1. Phospholipids (Phosphatic acid, glycerophosphocholine, glyceroethanolamine, glycerosphingomyelin, cardiolipin, phosphatidylinositol, phosphatidylserine, and phosphatidylglycerol)
   
   
2. Ceramides
   
   
3. Carotenoids (lutein, and zeaxanthin) [ref-8]
   
   
4. Free fatty acids [ref-9, ref-10]
   
   
5. Cholesterol and cholesterol esters
   
   
6. Prostanoids
   • Prostaglandins
   • F₂-isoprostanes