Bands (cm) A. ringens(A) Brucine (B) Rawulfia (R) Caffeine (C)
1. 0.7 0.6 0.7 -
2. 1.8 - 1.7 -
3. - 3.2 3.2 -
4. 5.8 - - -
5. - 6.4 6.5 -
6. 6.8 6.7 6.7  
7. 6.9 6.9 6.9 6.9
8. 7.55 - - -
Table 6: Bands of methanolic extracts of test and standards solutions from point of spot (cm).