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

Table 1

Yields following serial exhaustive extraction of root material of Senna italica with 𝑛-hexane, DCM, acetone, and MeOH.

Extract solvent	Yield (g)	Total yield (g)	Yield (%)
Hexane 1	2.8
Hexane 2	1.3	4.8	0.69
Hexane 3	0.7
DCM 1	3.5
DCM 2	1.5	6.2	0.89
DCM 3	1.2
Acetone 1	2.3
Acetone 2	1.4	4.6	0.66
Acetone 3	0.9
MeOH 1	17.9
MeOH 2	8.5	32.3	4.6
MeOH 3	5.9