1. Tryptophan is a naturally occurring amino acid.

2. Turkey meat is an excellent source for tryptophan.

3. Stable isotope labeled L - tryptophan is an application of nucleus technology in amino acids.

4. Other foods high in tryptophan include non-fat Greek-style yogurts, lentil soup, raw sunflower seeds and turkey.

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5. Foods that contain a substance called tryptophan, which is converted to an amino acid called L-tryptophan, promote sleep.

6. Objective To investigate the association among tryptophan hydroxylase(TPH) gene A218C polymorphism, unipolar depression(UPD) and symptom phenotypes in Han nationality of Chinese.

7. We rather not use tryptophan supplements though, because in 1989 it was a cause of the Eosinophilia-myalgia syndrome (EMS), a syndrome that can cause permanent disability and even death.

8. Aimond It contains tryptophan and certain muscle relaxation reagent — Mag - nesium.

9. Foods high in tryptophan include: Milk, eggs, meat, nuts, beans, fish, and cheese. Cheddar, Gruyere, and Swiss cheese are particularly rich in tryptophan.

10. The positive reaction for tyrosine, tryptophan and histidine was found in the subcuticular muscles, ovary, testes, vitelline cells and the intestinal epithelium.

11. Tryptophan is a essential amino acid for human beings and animals. It has many uses in medicine, food processing industry and forage additive.

12. Tryptophan is subject to various changes by enzymes making the L-tryptophan produce a brain chemical called serotonin.

13. Tryptophan, an essential amino acid in the human diet, appears to be the key.

14. Objective : L - Tryptophan was enzymatically synthesized by tryptophanase in genetic engineering strain WW - 11 from L - cysteine and indole.

15. Rich in tryptophan, milk products help our brain synthesise serotonin, a natural chemical that induces calm and happiness.

16. Tryptophan is the natural hypnotic, and it is the raw material for brain's producing serotonin.

17. Use of supplementary tryptophan to modify the behavior of pigs.

18. A procedure for the determination of tryptophan, tyrosine and phenylalanine by three - wavelength spectrophotometry was studied.

19. The relation between yellowness index and time of irradiation is a power function. After irradiation, the most decreased amino acids are corresponding to tryptophan, histidine and tyrosine.

20. Similarly, a warm milky drink at bedtime works very well as milk is in tryptophan.

21. Compounds having five-membered heterocyclic rings include chlorophyll, hemoglobin, indigo, tryptophan, and certain polymers.

22. IBS patients reported more gastrointestinal symptoms but less anxiety with acute tryptophan increase compared tryptophan depletion.

23. And the vitamin B6 in pineapple plays a part in converting tryptophan into serotonin in the brain for a natural mood booster.

24. Milk contains 16 kinds of amino acid, methionine and the lack of tryptophan.

25. Almonds are packed with a potent combination of energy-enriching nutrients, including manganese, vitamin E, magnesium, tryptophan, copper, vitamin B2 (riboflavin), and phosphorus.

26. In this paper, the steady - state optimization of tryptophan biosynthesis in Escherichia coli is discussed.

27. Pellagra still occurs where diets consist mostly of corn, which is low in both niacin and tryptophan (converted to niacin in the body), with little or no protein-rich food.

28. The essential amino acids are leucine, isoleucine, lysine, methionine, phenylalanine, threonine , tryptophan, and valine.

29. This article also analyzed the production situation of threonine and tryptophan at home and abroad, and the main producers and capacity of Ajinomoto Japan of threonine and tryptophan were listed.

30. The second part investigates the SERS and the adsorptive behavior of the BSA, L - tyrosine and L - tryptophan.

31. Tryptophan gets converted into serotonin, a brain chemical that affects mood and behavior.

32. A white crystalline compound, C8H7N, obtained from coal tar or various plants and produced by the bacterial decomposition of tryptophan in the intestine. It is used in perfumery and as a reagent.

33. It does contain an amino acid called tryptophan that is involved in sleep mood control.

34. Based on the experimental data, the partitioning equilibrium constant of L tryptophan L Trp was obtained.

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35. However , the trick is to combine foods that have tryptophan with ample carbohydrate.

36. The condition of the fermentation of Claviceps paspali was optimized. The content of tryptophan and phosphate could effect the productivity of ergot alkaloids .

37. The lyase activity of these mutants were tested by reconstitution in vivo to study the effects of tryptophan to CpeS.

38. This provided the essential data for tryptophan production to scale up in the future.

39. The invention discloses minoacyl tryptophyl tryptophan tripeptide benzyl ester as well as a preparation method and application thereof.

40. The objective of this study was to investigate the effects of tryptophan, flavor and sweetener supplementation on spontaneous feeding behavior and feed intake of weanling piglets.

41. Dietary niacin and niacin formed within the body from the amino acid tryptophan are converted to niacinamide.

42. Objective To investigate the effect of tryptophan metabolite in the salivary glands of anopheles stephensi on malaria gametocyte activating factor.

43. The activity of IAA oxidase and cytokinin oxidase was significantly higher in CMS anther, but the activity of tryptophan synthetase was lower than in fertile anther.