Fat-soluble vitamins

• retinol (A)
• carotenoids (alpha-, beta-carotene, lycopene, lutein and zeaxanthin)
• tocopherol (E)
• ergocalciferol (D₂)
• cholecalciferol (D₃)
• phylloquinon (K₁)
• menadion (K₃)
  

Water-soluble vitamins

• ascorbic acid (C )
• thiamin (B₁ )
• riboflavin (B₂ )
• riboflavin monophosphate (FMN)
• biotin (B₈)
• niacin, niacinamide (PP)
• pantothenic acid (B₅)
• pyridoxin, pyridoxal (B₆)
• cyanocobalamin (B₁₂)
• hydroxycobalamin (B₁₂)
• folic acid

Miscellaneous

• rutin
• cholin
• inositol
• carnitin
• para-aminobenzoic acid (PABA)
• homocysteine

Fatty acids

Methods used

• HPLC
• GC
• chemical
• microbiological