Bioactive Phytochemicals in Jujube Trees and Guarana

摘要

Compositions are described comprising a selected isolated 4-hydroxymethyl-proline, or a pharmaceutically acceptable salt or derivative thereof. Also disclosed are methods for the preparation of novel 4-hydroxymethyl-N-methyl-proline, compositions containing them, and their use as medicaments and medicaments. Also described is a method for preparing a herbal medicine comprising monitoring the quality of the herbal medicine by detecting the presence or absence or measuring the amount of one or more 4-hydroxymethyl-N-methyl-proline in the herbal medicine sample. do.