Twigg L E, King D R, Bowen L H, Wright G R, Eason C T
Vertebrate Pest Research Section, Agriculture Protection Board, Forrestfield, Australia.
Nat Toxins. 1996;4(3):122-7. doi: 10.1002/19960403nt4.
Gas chromatography confirmed the relatively high concentrations of fluoroacetate found in toxic Gastrolobiums, a genus of indigenous Australian plants. Fluoroacetate concentration in these plants ranged from 0.1 to 3875 micrograms/g (ppm) dry weight, with young leaves and flowers containing the highest concentrations. However, there was considerable intrastand variation between individual plants of at least two species with coefficients of variation ranging from 94% to 129%. Despite the high concentrations of fluoroacetate in many species, only one of nine soil samples collected from beneath these plants contained fluoroacetate. None of the 16 water samples collected from nearby streams and catchment dams contained fluoroacetate. This suggests that fluoroacetate does not persist in this environment. Fluoroacetate was also found in the genus Nemcia, and very low levels of fluoroacetate (ng/g) were detected in the foodstuffs, tea and guar gum. The latter indicates that other plant species may produce biologically insignificant amounts of fluoroacetate.
气相色谱法证实，在澳大利亚本土植物毒豆属的有毒植物中发现了相对较高浓度的氟乙酸盐。这些植物中氟乙酸盐的浓度范围为0.1至3875微克/克（ppm）干重，其中幼叶和花朵中的浓度最高。然而，至少两个物种的单株植物之间存在相当大的林分内部差异，变异系数在94%至129%之间。尽管许多物种中氟乙酸盐浓度很高，但从这些植物下方采集的九个土壤样本中只有一个含有氟乙酸盐。从附近溪流和集水区水坝采集的16个水样中均未检测到氟乙酸盐。这表明氟乙酸盐在这种环境中不会持续存在。在Nemcia属植物中也发现了氟乙酸盐，并且在食品、茶叶和瓜尔胶中检测到了极低水平的氟乙酸盐（纳克/克）。后者表明其他植物物种可能产生生物学上无显著意义的氟乙酸盐量。
