Chemical Profiling and Biological Activities on Nepalese Medicinal Plant Extracts and Isolation of Active Fraction of Nyctanthes arbor-tristis

Table 4

Inhibitory concentration of plant extracts against the enzyme α-amylase.

Plant extracts	α-Amylase inhibition activity (IC50) µg/mL
Phoenix humilis	95.69 ± 6.97
Desmostachya bipinnata	99.24 ± 12.6
Pogostemon benghalensis	106.3 ± 12.89
Nyctanthes arbor-tristis	110.4 ± 7.78
Spilanthes uliginosa Swartz	115.98 ± 10.24
Litsea monopetala	149.83 ± 8.3
Equisetum debile	196.45 ± 6.04
Mallotus philippensis (seed cover)	208.87 ± 1.76
Mallotus philippensis (seed)	215.41 ± 2.09
Neolamarckia cadamba	238.89 ± 9.27
Acarbose	28.88 ± 1.4

Values are mean ± SD; vs. the positive control (acarbose).