liquid l-carnitine 3000 review Nutrex Research 31 Servings | Shots, Stimulant Free Cutler Nutrition Liquid Carnitine 3000

The object of this invention is to provide a preparation method of high-purity L-carnitine, which is characterized in that to prepare L-carnitine with a purity being above 97%, wherein the content of D-carnitine is below 2%, by detecting and controlling the content of chiral material and chiral intermediate during the whole synthetic process which is started from S-epichlorohydrin, wherein the method include the following steps: (1)Detect the content of optical isomers of S-epichlorohydrin with GC and chiral column, and control the content of laevoisomer of S-epichlorohydrin within the range of 0% -12% W/W

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Alonso de la Pea C, Rozas I, Alvarez-Prechous A, et al