Skip to main content

Table 1 Results of the quantitative phytochemical content analysis and antioxidant activity of the acetone leaf extracts of the nine selected plants

From: The anti-arthritic, anti-inflammatory, antioxidant activity and relationships with total phenolics and total flavonoids of nine South African plants used traditionally to treat arthritis

Plant species

TPC (GAE mg/g)

TFC (QE mg/g)

DPPH IC50 (μg/mL)

ABTS IC50 (μg/mL)

TEAC

FRAP

Hypericum roeperianum

472.40 ± 1.15a

515.20 ± 1.53a

34.04 ± 0.25a

27.93 ± 2.98a

0.15 ± 0.02a

0.23 ± 0.03a

Cremaspora triflora

296.07 ± 5.86b

186.53 ± 2.65b

85.48 ± 2.17b

45.77 ± 1.67b

0.13 ± 0.02a

0.16 ± 0.02a

Heteromorpha arborescens

255.07 ± 5.03c

275.53 ± 4.58c

154.77 ± 4.07c

95.67 ± 2.91c

0.07 ± 0.01a

0.06 ± 0.00a

Pittosporum viridiflorum

423.40 ± 1.15d

389.20 ± 3.21d

50.29 ± 1.23d

58.40 ± 2.68d

0.09 ± 0.01a

0.25 ± 0.07a

Bolusanthus speciosus

377.73 ± 2.65e

726.20 ± 3.79e

115.12 ± 4.81e

59.96 ± 4.23d

0.10 ± 0.02a

0.07 ± 0.01a

Calpurnia aurea

308.07 ± 2.89f

285.20 ± 8.50c

170.40 ± 4.16f

96.47 ± 8.09e

0.06 ± 0.01a

0.07 ± 0.01a

Maesa lanceolata

669.07 ± 3.79g

223.53 ± 7.55f

12.95 ± 0.78g

9.64 ± 0.45f

0.70 ± 0.08b

0.15 ± 0.01a

Elaeodendron croceum

958.40 ± 1.53h

273.86 ± 5.03c

7.72 ± 0.27g,k

3.05 ± 0.27f

1.32 ± 0.17c

0.99 ± 0.08b

Morus mesozygia

375.07 ± 3.51e

657.53 ± 2.65g

106.98 ± 2.42h

45.5 ± 3.22b

0.14 ± 0.01a

0.18 ± 0.03a

Trolox

NA

NA

5.58 ± 0.05g,k

6.82 ± 0.99f

1.00 ± 0.00b,c

1 ± 0.00b

Ascorbic acid

NA

NA

3.30 ± 0.06k

2.92 ± 0.21f

2.32 ± 0.28d

3.67 ± 0.42c

  1. Values with different letters are significantly different at p < 0.05; NA = Not Applicable