Assertion: alkaloid's range | /r/HasProperty | 1–25 ng/g
Facets:
Source sentences:
text: All compounds were correctly identified (four spiked: echimidine, intermedine, lasiocarpine, and retrorsine, and six incurred: jacobine, jacobine N-oxide, senecionine, senecionine N-oxide, seneciphylline, and seneciphylline N-oxide), with concentration in the range 1–25 ng/g, and none false positive was reported.