Assertion: alkaloid | /r/HasProperty | purified
Facets:
value: further
type: MANNER
Source sentences:
text: The alkaloids contained in these four fractions (7 to 10) were further purified using semi-preparative HPLC (Supplementary Table 5) that yielded six pure alkaloids (compounds 1 to 6; Fig. 4, Supplementary Fig. 3).