International Scholarly Research Notices

Research Article

Profiling of Phytochemicals in Tissues from Sclerocarya birrea by HPLC-MS and Their Link with Antioxidant Activity

Table 2

Total phenol, FRAP, and DPPH radical-scavenging activities for various leaf, bark, and root crude and dialysed extracts of marula tree (S. birrea). Values are expressed as means ± standard deviations ( = 3)¹.


Extract	TPC (GAE g/100 g DWS)	FRAP (TE g/100 g DWS)	DPPH IC₅₀ (μg/mL)	DPPH (TE g/100 g DWS)

Leaf hexane	10.00 ± 0.01^a	0.08 ± 0.03^a	176.57 ± 1.42^e	4.27 ± 0.34^a
Leaf ethylacetate	18.29 ± 0.02^b	8.02 ± 0.76^b	76.63 ± 5.31^d	9.82 ± 0.69^a
Leaf <3.5 kDa	53.88 ± 0.02^e	72.84 ± 1.88^e	8.42 ± 0.36^ab	89.20 ± 3.95^e
Leaf >3.5 kDa	44.53 ± 0.01^d	55.10 ± 2.23^d	13.88 ± 0.40^b	54.07 ± 1.80^c
Leaf Water	45.35 ± 0.001^d	56.10 ± 2.20^d	12.23 ± 0.24^b	61.36 ± 1.19^c

Bark hexane	48.43 ± 0.02^de	88.12 ± 8.09^f	9.91 ± 0.59^ab	75.85 ± 4.59^d
Bark ethylacetate	23.02 ± 0.01^bc	23.33 ± 1.19^c	26.12 ± 3.09^c	28.30 ± 3.20^b
Bark <3.5 kDa	100.17 ± 0.01ⁱ	216.64 ± 8.40^k	5.11 ± 0.10^a	146.86 ± 2.72ⁱ
Bark >3.5 kDa	69.66 ± 0.003^f	102.46 ± 5.49^g	5.95 ± 0.50^ab	126.64 ± 10.77^g
Bark water	90.33 ± 0.03^h	197.34 ± 5.58^j	4.08 ± 0.16^a	183.97 ± 7.03^j

Root hexane	26.53 ± 0.005^c	26.63 ± 3.49^c	29.65 ± 0.21^c	25.39 ± 1.85^b
Root ethylacetate	78.64 ± 0.02^g	114.59 ± 5.31^h	6.23 ± 0.20^ab	120.38 ± 4.01^g
Root <3.5 kDa	101.59 ± 0.01ⁱ	220.41 ± 4.65^k	5.44 ± 0.27^a	137.97 ± 6.79^h
Root >3.5 kDa	103.40 ± 0.01ⁱ	120.71 ± 3.44^h	7.05 ± 0.48^ab	106.66 ± 7.05^f
Root Water	72.53 ± 0.02^fg	184.79 ± 11.05ⁱ	5.42 ± 0.06^a	138.45 ± 1.62^h

For all the values within a column, different letter superscripts mean significant differences ( < 0.05).