Figures & data
Figure 1. Structure of (14E, 18E, 22E, 26E)-methyl nonacosa-14, 18, 22, 26 tetraenoate.
Figure 2. HPLC chromatograms of two isolated compounds from chloroform fraction of methanol extract of Amaranthus spinosus.
Figure 3. HPLC chromatograms of the purified fatty acid from Amaranthus spinosus.
Figure 4. Inhibitory effect of methanol extract and fatty acid on α-glucosidase (0.5 U/mL, using substrate p-nitrophenyl α-d-glucopyranoside 0.5 mm) determined in the concentration range from 1 to 10 µM/mL.
Figure 5. Kinetic analysis of α-glucosidase inhibition by novel fatty acid and methanol extract of A. spinosus. The Lineweaver–Burk plot of hydrolysis of p-nitrophenyl α-d-glucopyranoside (10, 15, 20, and 25 mM) by α-glucosidase (0.5 U/mL) in the presence and absence of isolated fatty acid and methanol extract.
