Full Length Research Paper
Abstract
To identify the products of hypaconitine in water and methanol, electrospray ionization mass spectrometry (ESI-MS) method is used to trigger a full scan product ion experiment for confirmation. Six hydrolysates were detected, and their pseudo-molecules are 470, 556, 574, 484, 452 and 588, respectively, indicating hypaconine, pyrhypaconitine, benzoylhypaconine, 8-methoxyl-hypaconine, dehydration hypaconine and 8-methoxyl-14-benzoylhypaconine, respectively. Among them, 8-methoxyl-hypaconine, 8-methoxyl-14-benzoyl-hypaconine and dehydration hypaconine are identified first in the reaction products of hypaconitine in methanol.
Key words: Hypaconitine, electrospray ionization, mass spectrometry.
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