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Table 4 IC50 values of tested Australian medicinal plant extracts on fluorescent AGEs, α-amylase, α-glucosidase and ACE

From: In vitro inhibitory activities of selected Australian medicinal plant extracts against protein glycation, angiotensin converting enzyme (ACE) and digestive enzymes linked to type II diabetes

Plant species

Fluorescent AGEs

(IC50 μg/mL)

α-amylase

(IC50 μg/mL)

α-glucosidase

(IC50 μg/mL)

ACE

(IC50 μg/mL)

Petalostigma banksii

 Leaves

56.05 ± 6.10ab

166.50 ± 5.50a

167.83 ± 23.82a

266.27 ± 6.91a

 Fruits

47.72 ± 1.65a

170.81 ± 6.45a

190.90 ± 19.93a

452.47 ± 38.51b

 Roots

34.49 ± 4.31a

174.57 ± 5.36a

345.27 ± 16.33b

523.87 ± 14.46c

Petalostigma pubescens

 Leaves

160.74 ± 3.86c

160.20 ± 27.92a

185.43 ± 14.05a

313.37 ± 29.33a

 Fruits

83.52 ± 2.02b

187.90 ± 11.33a

348.13 ± 28.71b

597.53 ± 7.48c

Memecylon pauciflorum

 Leaves

76.66 ± 14.50b

270.47 ± 17.48b

350.23 ± 24.05b

609.47 ± 30.92c

Millettia pinnata

 Inner bark

71.48 ± 16.40b

188.63 ± 12.69a

183.83 ± 66.30a

695.17 ± 15.38e

Grewia mesomischa

 Root bark

50.51 ± 6.77ab

310.17 ± 12.88c

299.30 ± 9.10b

630.33 ± 11.77d

  1. Values are expressed as mean ± SD, n = 3
  2. Data in the same column marked with different letters were significantly different (p < 0.05)