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Definition of tryptophan
: a crystalline essential amino acid C11H12N2O2 that is widely distributed in proteins
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Recent Examples of tryptophan from the Web
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Veggie Turkey Rollups Nosh on these turkey rollups for lunch or make as a light dinner, the tryptophan will do the rest.
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Study The idea to inhibit IDO was sparked by a 1998 study in Science that examined the interplay between the immune system’s infection-fighting T-cells and tryptophan, an essential amino acid that provides the T-cells with fuel.
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Snacks containing high amounts of tryptophan include egg whites, soybeans, low-fat cheese, chicken and seeds, such as pumpkin or sesame, Hensrud said.
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Vitamin D’s main role is converting and regulating the conversion of tryptophan into serotonin.
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All of these signs point to a deficiency in vitamin B3 and tryptophan (a B3 precursor), the researchers write.
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A glut of teams apparently began gorging on tryptophan just after Labor Day and now have records of 4-6 or 5-5 that keep them in a sorry excuse for contention.
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Check it out: Meanwhile, Kari, Tory and Grant test the age-old Thanksgiving chestnut about tryptophan causing drowsiness after a big turkey meal, and find out whether everything really does taste like chicken.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tryptophan'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of tryptophan
International Scientific Vocabulary tryptic + -o- + -phane
Medical Dictionary
Learn More about tryptophan
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Britannica.com: Encyclopedia article about tryptophan
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