Research Article

Analgesic and Anti-Inflammatory Activities of Leaf Extract of Mallotus repandus (Willd.) Muell. Arg.

Table 1

Phytochemical constituents identified in methanol extract of M. repandus leaf (MLM).

PhytochemicalName of the testsObserved changesResult

AlkaloidsMayer’s testCreamy white precipitate
Hager’s testYellow crystalline precipitate +
Wagner’s testBrown or deep brown precipitate
Dragendorff’s testOrange or orange-red precipitate
Tannic acid testBuff color precipitate
CarbohydratesMolisch’s testA red or reddish violet ring is formed at the junction of two layers and on shaking a dark purple solution is formed+
Barfoed’s test (general test for monosaccharides)Red precipitate
Fehling’s testA red or brick-red precipitate
Benedict’s test+
Test for combined reducing sugarA brick-red precipitate
GlycosidesGeneral testYellow color
Bromine water test yellow precipitate+
Test for glucosideProduction of brick-red precipitation (carried out with the hydrolyzed extract)
FlavonoidsAlkaline reagent testRed color +/−
Shinoda test (magnesium hydrochloride reduction test)Green to blue color+
Zinc hydrochloride reduction testRed color after few minutes
SaponinsFrothing testFormation of stable foam+
SteroidsLibermann-Burchard’s testGreenish color
TanninsLead acetate testA yellow or red precipitate +
Ferric chloride testBlue green color
Alkaline reagent testYellow to red precipitate+
TerpenoidsSalkowski testYellow color appears at the lower layer

(+) = presence; (−) = absence; (+/−) = presence or absence not ascertained.