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Table 4 Kinetic values of β-galactosidase from A. oryzae in the presence of J. phoenicea and C. villosa extracts and Galactose

From: Phytochemical analysis, antioxidant and in vitro β-galactosidase inhibition activities of Juniperus phoenicea and Calicotome villosa methanolic extracts

Inhibitor

Km

(mM)

Vmax

(mU)

Ki

(mg/ml)

Mode of inhibition

Control

1.311 ± 0.091 a

85.35 ± 0.028a

0

Normal

J. phoenicea

1.256 ± 0.089 a

35.29 ± 0.033 b

1.416 ± 0.058

Non-competitive

C. villosa

2.581 ± 0.034 b

58.64 ± 0.015 c

1.537 ± 0.039

Mixed

Galactose

2.770 ± 0.072 c

55.55 ± 0.024 d

1.866 ± 0.052

Mixed

  1. Results are means ± SD (n = 3). Values in the same column with different letters differ significantly at p < 0.05