Table 3 Treatment of stem sections with different reagents
S.N | Drug | Test for | Reagent | Reaction | Result |
|---|---|---|---|---|---|
1 | Section | Lignin | Phloroglucinol + dil HCl | Red color | + |
2 | Section | Mucilage | Ruthenium red solution | Red color | + |
3 | Section | Starch | Iodine solution | Blue color | + |
4 | Section | Fixed oil | Sudan red III solution | Red color | − |
6 | Section | crystals | Con. HCl | Effervescence | + |