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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)