Potential Antioxidant Anthraquinones Isolated from Rheum emodi Showing Nematicidal Activity against Meloidogyne incognita

Table 2

Antinemic activity (ED₅₀) of isolated anthraquinones and solvent extractives of Rheum emodi against j₂s of Meloidogyne incognita after 72 hrs.

Compounds	(3d.f, 95%)	Regression equation	ED50; (mg/L)	Fiducial limit
CE1	1.91		54.84	44.51–67.57
CE2	6.73		98.10	74.34–129.46
CE3	6.47		135.23	101.27–180.58
Physcion	2.50		102.61	82.80–136.25
Aloe-emodin	7.39		148.50	109.17–202.01
Chrysophanol	2.15		102.59	81.50–129.15
Emodin	2.62		139.95	106.64–183.6
Aza (20%)	0.42		112.70	73.14–173.67