Krebs H C, Kemmerling W, Habermehl G
Chemisches Institut der Tierärztliche Hochschule, Hannover, Germany.
Toxicon. 1994 Aug;32(8):909-13. doi: 10.1016/0041-0101(94)90369-7.
Qualitative and quantitative examination of Arrabidea bilabiata and Palicourea marcgravii by 19F-NMR spectroscopy has shown the presence of fluoroacetic acid. By acid-base enrichment it is possible to detect amounts of fluoroacetic acid which otherwise are below detection rate. The detection limit (without enrichment) is estimated to be about 4 micrograms/g. Disturbing metal ions of higher oxidation states are also removed by this way. Arrabidea bilabiata contains 64.1 micrograms/g (seeds) and 3.0 micrograms/g (leaves), and Palicourea marcgravii contains 5.4 micrograms/g (leaves).
通过19F-核磁共振光谱对双唇阿拉比德木和马尔氏帕利草进行定性和定量检测，结果表明存在氟乙酸。通过酸碱富集，可以检测到原本低于检测率的氟乙酸含量。（不进行富集时的）检测限估计约为4微克/克。通过这种方式还可以去除具有较高氧化态的干扰金属离子。双唇阿拉比德木种子中含有64.1微克/克，叶子中含有3.0微克/克；马尔氏帕利草叶子中含有5.4微克/克。
