Isolation and Chemical Structural Characterisation of a Compound with Antioxidant Activity from the Roots of Senna italica

Table 2

Fractionation of the acetone root extract (700 mg) with CHCl₃ : MeOH different ratios on silica gel chromatography.

Systems	CHCl3 (%)	MeOH (%)	Solvent quantity (mL)	Yield (mg)
A	100	—	500	58
B	90	10	700	125
C	80	20	1200	237
D	70	30	500	30
E	50	50	600	25
F	30	70	500	16
G	—	100	600	14