Table 2.

Plant species, status of tissue used, extraction solvent, toxicity, and phytochemical tests.

Study	Plant species	Plant tissue status	Phytochemical screening	Toxicity test	Extraction solvent
[50]	C. dioscorides, C. ambrosioides, S. sesban	Dry	No	Yes	Methanol
[45]	A. cepa, A. sativum	Dry	No	No	?∗∗
[44]	T. vulgare	Dry	No	No	Ethanol, water
[42]∗±	C. procera a, F. elastic, Z. officinale	Dry	Yes	Yes	Methanol, water, ether
[48]ȱ±	B. trimera	Dry	No	Yes	Dichloromethane, acetone
[40]	M. frigidus	Dry	Yes∗	Yes	Methanol
[34]	A. indica	Dry	No	No	Ethanol
[37]	E. capensis, A. indica	Dry	No	No	?∗∗
[43]∗±	P. granatum	Dry	No	Yes	Ethanol
[49]	C. scolymus	Dry	No	No	Methanol
[39]	R. vomitoria	Dry	No	Yes	Ethanol
[47]±	A. lappa	Dry	Yes∗	Yes	Ethanol, water
[38]	P. amarus	Dry	No	No	Hexane, ethanol
[46]	E. kebericho, H. abyssinica	Dry	No	Yes	Methanol, ethanol
[41]∗	O. pulcherrima	Dry	Yes	No	Methanol
[36]	P. amarus, V. amygdalina, A. indica, M. lucida, N. latifolia	Dry	No	No	Methanol
[35]	24 A. indica included	Dry	No	No	Dichloromethane, methanol

^∗Compounds isolated; ^∗∗extraction solvent not indicated in the methods section.