Table 1 Phytochemical screening of methanol extract of flower and root of Pyrostegia venusta (Ker-Gawl.) Miers
S.No. | Constituents | Methanol extract | |
|---|---|---|---|
Flower | Root | ||
1 | Alkaloids | ||
• Dragendorff's test | ++ | ++ | |
2 | Terpenes and steroids | ||
• Salkowski test | ++ | ++ | |
• Libarman- Burchard's test | ++ | ++ | |
3 | Tannins | ||
• FeCl3 test | ++ | ++ | |
• Gelatin test | ++ | ++ | |
4 | Saponins | - | ++ |
• Frothing test | |||