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| vanillylmandelic acid ： ウィキペディア英語版 |
vanillylmandelic acid
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Vanillylmandelic acid (VMA) is a chemical intermediate in the synthesis of artificial vanilla flavorings and is an end-stage metabolite of the catecholamines, epinephrine, and norepinephrine. It is produced via intermediary metabolites.
==Chemical Synthesis==
VMA synthesis is the first step of a two-step process practiced by Rhodia since the 1970s to synthesize artificial vanilla. Specifically the reaction entails the condensation of guaiacol and glyoxylic acid in an ice cold, aqueous solution with sodium hydroxide.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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