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. 2021 May 17;10(5):792. doi: 10.3390/antiox10050792

Table 6.

Enzyme inhibitory effects of the tested extracts.

Species Parts Methods AChE BChE Tyrosinase Amylase Glucosidase
(mg GALAE/g) (mg KAE/g) (mmol ACAE/g)
J. curcas Leaves HAE 2.36 ± 0.25 a 1.59 ± 0.12 c 56.30 ± 3.24 a 0.62 ± 0.02 a 0.65 ± 0.01 b
MAC Na 2.06 ± 0.20 b 48.46 ± 0.57 b 0.62 ± 0.01 a 0.63 ± 0.01 c
Stem bark HAE 2.04 ± 0.02 a 3.35 ± 0.16 a 40.51 ± 4.38 c 0.31 ± 0.01 b 0.81 ± 0.01 a
MAC 2.08 ± 0.03 a 3.68 ± 0.15 a 38.14 ± 0.54 c 0.28 ± 0.03 b 0.81 ± 0.01 a
J. gossypifolia Leaves HAE 1.46 ± 0.13 b 0.65 ± 0.07 a 53.42 ± 4.15 a 0.58 ± 0.01 a 0.79 ± 0.01 b
MAC 1.12 ± 0.18 c Na 50.43 ± 0.81 a 0.55 ± 0.01 b 0.79 ± 0.01 ab
Stem bark HAE 1.92 ± 0.13 a 0.50 ± 0.07 b 55.09 ± 3.54 a 0.49 ± 0.01 c Na
MAC 2.06 ± 0.03 a 0.72 ± 0.06 a 57.59 ± 0.33 a 0.43 ± 0.01 d 0.81 ± 0.01 a

Values are reported as mean ± SD. GALAE: Galantamine equivalent; KAE: Kojic acid equivalent; ACAE: Acarbose equivalent; Na: not active. Different letters in same column indicate significant differences in the tested extracts of each species (p < 0.05).