Plants containing menthol. Curiously, it is not the essential oil of mints ( Mentha spp.) the part of a plant which contains more menthol, but the essential oil of sunflower (Helianthus annuus), followed by mint species, such as Mentha arvensis, Mentha piperita, Mentha pulegium, and Mentha aquatica.
Tryptophan is a routine constituent of most protein-based foods or dietary proteins. It is particularly plentiful in chocolate, oats, dried dates, milk, yogurt, cottage cheese, red meat, eggs, fish, poultry, sesame, chickpeas, almonds, sunflower seeds, pumpkin seeds, spirulina, bananas, and peanuts.nly the L-stereoisomer of tryptophan is used in structural or enzyme proteins, but the R-stereoisomer is occasionally found in naturally produced peptides (for example, the marine venom peptide contryphan).
By Anne Marie Helmenstine, Ph.D. Tryptophan is an amino acid that is found in many foods, such as turkey. Here are some facts about what tryptophan is and the effects it has on your body.Tryptophan is (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid and is abbreviated as Trp or W. Its molecular formula is C 11 H 12 N 2 O 2.y Anne Marie Helmenstine, Ph.D. Tryptophan is an amino acid that is found in many foods, such as turkey. Here are some facts about what tryptophan is and the effects it has on your body.