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Table 2 Total phenolic, flavonoid and FRAP contents in the selected Australian medicinal plant extracts

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 name Total phenolic
(μg GAE/mg)
Flavonoid content
(μg QE/mg)
FRAP
(μg AAE/mg)
Petalostigma banksii
 Leaves 333.70 ± 11.95e 14.66 ± 3.25b 449.98 ± 41.74d
 Fruits 347.87 ± 14.90e 7.02 ± 4.49ab 453.14 ± 38.19d
 Roots 323.53 ± 12.16e 19.38 ± 5.38bc 235.68 ± 9.36bc
Petalostigma pubescens
 Leaves 276.96 ± 13.84d 22.64 ± 4.32c 453.30 ± 51.79d
 Fruits 112.29 ± 5.34b 3.36 ± 0.87a 193.34 ± 7.01b
Memecylon pauciflorum var. pauciflorum
 Leaves 140.24 ± 5.28b 26.30 ± 2.75c 311.42 ± 23.16c
Millettia pinnata
 Inner bark 72.36 ± 15.84a 10.01 ± 4.05ab 26.46 ± 1.73a
Grewia mesomischa
 Root bark 200.71 ± 5.52c 10.61 ± 3.83ab 214.52 ± 21.79b
  1. Values are expressed as mean ± SD, n = 3
  2. GAE Gallic acid equivalence, QE Quercetin equivalence, FRAP ferric reducing antioxidant potential, AAE ascorbic acid equivalence
  3. Data in the same column marked with different letters were significantly different (p < 0.05)