Research Article

Pharmaceutical Assessment of Watermelon Rind Pectin as a Suspending Agent in Oral Liquid Dosage Forms

Table 4

Identification of watermelon rind pectin.

TestObservationInference

Pectin solution + heating and coolingA stiff gel was formed on coolingPectin present
Pectin solution + ethanolA colourless gelatinous precipitate was formedPectin present
Pectin solution + NaOH (2 M)A translucent gel was formedPectin present
Pectin gel + HCl (3 M) + boilingWhite cotton-like precipitates is formed while boilingPectin present