Research Article

In Vitro Inhibition of -Amylase and -Glucosidase by Extracts from Psiadia punctulata and Meriandra bengalensis

Table 3

Results of the qualitative analysis of the presence of specific phytoconstituents in difference extracting solvents.

PhytomoleculesMethodExtracting solvents
n-hexaneChloroformMethanolDist.H2OEthanol

Psiadia punctulata

AlkaloidsWagner's test--+++

TanninsFerric chloride test--+++

SaponinsFoam test---++

FlavonoidsAlkaline reagent test-++++

PhytosterolsModified Liebermann-Burchard's test+----

Meriandra bengalensis

AlkaloidsWagner's test+++++

Tannins Ferric chloride test--+++

SaponinsFoam test---++

FlavonoidsAlkaline reagent test-++++

PhytosterolsModified Liebermann-Burchard's test+++--

(+) sign denotes the presence of corresponding phytoconstituents and (-) denotes the absence of corresponding phytoconstituents.