Identification of Digestive Enzyme Inhibitors from Ludwigia octovalvis (Jacq.) P.H.Raven

Table 1

Enzyme inhibition of hydroalcoholic extract, fractions, and compounds isolated from L. octovalvis leaves.

Sample	Inhibition percentage
	α–glucosidases; 0.6 mg/mL	Pancreatic lipase; 0.25 mg/mL
Acarbose	50.0 ± 1.6	N.A.
Orlistat	N.A.	50.0 ± 2.6
CsHAE	80.8 ± 1.1	34.8 ± 2.5
LoHAE	58.9 ± 5.7	23.6 ± 2.5
LoEAF	82.8 ± 3.6	31.2 ± 1.9
LoAqF	76.8 ± 1.9	15.6 ± 2.5
C1F1 (ethyl gallate)	98.4 ± 2.0	23.2 ± 3.0
C1F2	60.1 ± 5.5	22.5 ± 3.6
C1F3	39.9 ± 5.6	4.3 ± 3.5
C1F4	98.9 ± 1.6	20.0 ± 2.3
C1F5	84.2 ± 5.3	28.2 ± 2.7
C1F6	79.8 ± 3.8	45.3 ± 0.6
C2F1 (gallic acid)	98.9 ± 0.6	N.A.
C3F1	N.A.	10.9 ± 0.3
C3F2	N.A.	29.3 ± 3.6
C3F3	N.A.	43.5 ± 4.3
C3F4	N.A.	36.4 ± 4.0
C4F1	N.A.	41.4 ± 3.2
C4F2	N.A.	16.6 ± 4.5
C4F3	N.A.	45.8 ± 5.1
C4F4–P (isoorientin)	N.A.	55.1 ± 3.1
C4F5	N.A.	53.5 ± 3.7
C4F6	N.A.	49.1 ± 3.8
Luteolin	66.3 ± 5.6	N.A.

The data is indicated as the mean ± standard deviation.
N.A. = not analysed; evaluated at 5.8 µM; evaluated at 1.6 µM.