| Herbal Formulation No. 1 | New leaves are preferred.* |
| Herbal Formulation No. 2 | Old leaves are preferred.** |
| Herbal Formulation No. 3 | New leaves are preferred.** |
| Herbal Formulation No. 4 | New leaves are preferred.** |
| Herbal Formulation No. 5 | Old leaves are preferred.** |
| Herbal Formulation No. 6 | New leaves are preferred.** |
| Herbal Formulation No. 7 | Old leaves are preferred.** |
| Herbal Formulation No. 8 | New leaves are preferred.** |
| Herbal Formulation No. 9 | New leaves are preferred.** |
| Herbal Formulation No. 10 | New leaves are preferred.** |
| Herbal Formulation No. 11 | Old leaves are preferred.** |
| Herbal Formulation No. 12 | Old leaves are preferred.** |
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