Table 2.

Effect of different concentrations of fractions of crude methanol extract of A. jacquemontii leaves on Con A and LPS induced murine lymphocyte proliferation.

Serial number	Samples	Conc. (M)	Con A mean ± S.E.	Con A induced T-cell proliferation rate (%)	LPS mean ± S.E.	LPS induced B-cell proliferation rate (%)
(1)	Control	—	0.75 ± 0.50	—	1.92 ± 0.05	—
(2)	AJL1-H	10−4	0.34 ± 0.04	−54.66	0.39 ± 0.01	−79.68
		10−5	0.76 ± 0.03	+1.33	0.44 ± 0.01	−77.08
		10−6	0.58 ± 0.02	−22.66	0.60 ± 0.01	−68.75
(3)	AJL1-C	10−4	0.69 ± 0.12	−22.47	0.82 ± 0.17	−16.32
		10−5	0.81 ± 0.08	−8.98	0.85 ± 0.06	−13.26
		10−6	0.82 ± 0.14	−7.86	0.83 ± 0.09	−15.30
(4)	AJL1-E	10−4	0.60 ± 0.11	−20.00	0.36 ± 0.01	−81.25
		10−5	0.54 ± 0.03	−28.00	0.48 ± 0.01	−75.00
		10−6	0.71 ± 0.00	−5.33	0.59 ± 0.01	−69.27
(5)	AJL1-A	10−4	0.43 ± 0.02	−42.66	0.54 ± 0.30	−72.21
		10−5	0.71 ± 0.05	−5.33	0.62 ± 0.30	−67.75
		10−6	0.64 ± 0.03	−14.66	0.60 ± 0.17	−68.12
(6)	AJL1-M	10−4	0.59 ± 0.14	−33.70	0.48 ± 0.05	−75.00
		10−5	0.70 ± 0.01	−21.34	0.52 ± 0.04	−72.91
		10−6	0.59 ± 0.14	−33.70	0.55 ± 0.09	−71.35

+ indicates immune stimulant agents, while − indicates immunosuppressive agents. Results are mean standard error (SE) of three separate experiments. The bold values are shown for those compounds which have proved to be active and those in normal font represent the least significant.