Assertion: fenugreek's alkaloid | /r/AtLocation | stem
Facets:
Source sentences:
text: There is about 28% mucilage; a volatile oil; 2 alkaloids such as trigonelline and Choline, 5% of a stronger-smelling, bitter fixed oil, 22% proteins and a yellow coloring substance are present in stem.
text: Alkaloids such as trigocoumarin, nicotinic acid, trimethyl coumarin and trigonelline are present in stem.