| 1 | The extraction of indigo naturalis powder with different diameters was studied. | |
| 2 | Objective:To decide the best compatibility proportion. | |
| 3 | CONCLUSION: Fungi can be successfully applied to indigo production. | |
| 4 | AIM: To apply the natural fermentation technology to produce indigo. | |
| 5 | Objective: To study the quality of Indigo Naturalis in the market at present. |