| Sample | %I | |
| Mulberry | Jackfruit | |
| Root core | 97.285 ± 0.619a | 96.403 ± 0.516a |
| Stem | 86.226 ± 3.202b | 76.817 ±1.539c |
| Leave | 76.132 ± 0.934c | 68.962 ± 1.467d |
| Root bark | 55.354 ± 0.967f | 59.000 ±0.629e |
| Kojic acid | 97.720 ± 0.002a | |