Proline Know your Amino Acids fact sheet: Full name Proline 3 letter name Pro 1 letter name P What you see: What a biochemist sees: Speciality – Sources (animal) Meat, fish, eggs, milk products Sources (plant) Cabbage, seaweed, asparagus, sunflower seeds, sesame seeds Chemical formula C5H9NO2 Essential – Non-essential X Hydrophobic X Hydrophilic (neutral) – (positive) – (negative) – Learn more… <- GO BACK