Assertion: alkaloid's effect | /r/HasProperty | reported by khan et al
Facets:
value: earlier
type: TEMPORAL
value: respectively
type: MANNER
Source sentences:
text: To support our results, the promoting effect of the other degraded marine polysaccharides on alkaloids production in the case of opium poppy and C. roseus has earlier been reported by Khan et al. and Idrees et al., respectively .