Tryptophan Know your Amino Acids fact sheet: Full name Tryptophan 3 letter name Trp 1 letter name W What you see: What a biochemist sees: Speciality – Sources (animal) milk, yogurt, cottage cheese, red meat, eggs, fish, poultry Sources (plant) chocolate, oats, dried dates, sesame, chickpeas, sunflower seeds, pumpkin seeds, bananas, peanuts Chemical formula C11H12N2O2 Essential X Non-essential – Hydrophobic X Hydrophilic (neutral) – (positive) – (negative) – Learn more… <- GO BACK