D(+)-Tryptophan powder Raw Materials CAS 153-94-6

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Uses and synthesis of D(+)-Tryptophan powder

D(+)-Tryptophan powder was white or white-like to slightly yellow crystalline powder at room temperature, odorless or slightly odorous, with slightly sweet taste. The solubility in water was 1.14g (25℃), soluble in dilute acid and dilute base, stable in base, decomposed in strong acid, slightly soluble in ethanol, insoluble in chloroform and ether, D(+)-Tryptophan played an important role in the growth, development and metabolism of humans and animals, and D(+)-Tryptophan was a non-protein active amino acid. It has special physiological properties and can be used as non-nutritional sweetener, feed additive and plant growth agent in food and feed industry and agriculture

Applications/Functions of D(+)-Tryptophan powder

1. D(+)-Tryptophan powder was used for biochemical studies.
2. D(+)-Tryptophan is an important nutrient, which can be used as the prevention and treatment agent of tryptophan in medicine

Physicochemical Property of D(+)-Tryptophan powder

D(+)-Tryptophan was white to slightly yellow crystal or crystalline powder; No odor. Slightly soluble in water, slightly soluble in ethanol, insoluble in trichloromethane, easily soluble in formic acid; Dissolve in sodium hydroxide test solution or dilute hydrochloric acid.

Production methodprocess of D(+)-Tryptophan powder

Dl-tryptophan was used as the raw material, the chloroacetic anhydride was added into the reaction under cooling condition, then ground in ice water after sulfuric acid acidification, recrystallized in water after filtration, and finally treated with pancreatic carboxypeptide, the L-type was removed, and D(+)-Tryptophan was prepared by acetic acid acidification and ethanol recrystallization.

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