Assertion: alkaloid | /r/AtLocation | extract
Facets:
Source sentences:
text: The other alkaloids found in the extracts include: Dihydropiperlonguminine () (tR 39.226 min, [M + Na]ion at298.1337); a piperine derivative composed of piperine + 1 oxygen- one double bond () (tR 39.249 min, [M + Na]ion at324.1211); an unknown piperamide alkaloid () (tR 40.447 min, [M + Na]ion at358.1528); and a dihydro derivative of piperidine () (tR 39,226 min, [M + Na]ion at326.1374) ( Table 4 ).
text: Cyclobuxine is one of the five most active alkaloids that are present in this extract.