Analytical Method for Buddleja Colorants in Foods

摘要

Buddleja yellow colorant derived from Buddleja officinalis Maxim. Has recently been approved for use as a new kind of natural colorant for food additives in China. In order to distinguish Buddleja yellow colorant from other yellow colorants, two known phenylpropanoid glycosides, acteoside (=verbascoside) and poliumoside, were isolated from the colorant as marker substances for Buddleja yellow colorant.