Separation of retinol from neutral lipids and phospholipids by silicic acid.
D000818:Animals; D008055:Lipids / Q000032:analysis*; D008722:Methods; D010743:Phospholipids / Q000032:analysis*; D051381:Rats; D012822:Silicon Dioxide; D014801:Vitamin A / Q000032:analysis*
D008055:Lipids; D010743:Phospholipids; D014801:Vitamin A; D012822:Silicon Dioxide