Chemical Constituents Antioxidant and Anticholinesterasic Activity of Tabernaemontana catharinensis

Table 2

Antioxidant and anticholinesterasic activity of T. catharinensis extract and fractions.

Samples	DPPH-IC50 (μg/mL)	AChE inhibition-IC50 (𝜇g/mL)
Extract	313.46±0.5^b	261.55±9.1^b
Organic/aqueus fractions
B1	1590.00±1.4^a	458.40±8.2^a
B2	60.75±0.5^e	18.35±1.4^d
B3	67.28±0.6^e	9.0±0.4^e
c. column fractions
C1	94.92±0.05^d	17.35±1.4^d
C2	37.18±0.1^f	91.22±7.1^c
C3	74.69±0.9^e	7.71±0.1^e
C4	65.59±0.3^e	8.34±0.6^e
C5	230.25±0.1^c	2.50±0.1^f
C6	249.61±0.9^c	2.10±0.1^f
Ascorbic acid	20.13±0.45^g	—
Galantamine	—	0.2±0.05^g

Different letters correspond to values statistically different by analysis of variance (ANOVA) and Tukey’s post hoc test, for 𝑃≤0.05, for each activity.