Table 3 in Norlignans as potent GLP- 1 secretagogues from the fruits of Amomum villosum

Table 3 The stimulative effects of fractions and compounds on GLP-1 secretion in STC-1 cells.
No.Stimulative ratio (%) a50 μ g/mL25 μ g/mL25.0 μ M12.5 μ MEtOH extract100.1 ±‒22.8 ±8.9//30.1EtOAc fraction273.9 ±156.2 ±//50.834.7amovillosumin A//375.1 ±166.9 ± 6.0(1)47.6amovillosumin B//222.7 ± 9.362.7 ± 10.0(2)amovillosumin C//‒24.3 ±‒24.9 ±(3)16.113.5amovillosumin D//‒18.7 ±‒28.3 ± 9.4(4)18.5OEA b//163.1 ± 6.6–
a Stimulative ratio was denoted as the increased percentage of GLP-1 content versus control group.
b Oleoylethanolamide (OEA) was used as the positive control.