1. This kind of plastic is made of gallnut.

2. Production of gallnut is not simple to plant, but an ecological works of breeding gallnuts complex.

3. These results indicated that the anti-inflammatory effect of gallnut extract might be due to its inhibition to epoxidase and lipoxidase.

4. Conclusion: Chinese gallnut water extract may inhibit the vitality of the plaque biofilm.

5. Recovery tests of standard addition in Chinese gallnut samples showed an average recovery of 100.6 %.

6. The medicament prepared with single medicine sumac gallnut or sumac gallnut oil and the compound medicament prepared by using sumac gallnut and sumac gallnut oil can be made into various dosage forms.

7. Objective:To observe the inhibition of Chinese gallnut on bacteria in plaque biofilms by the use of artificial mouth.

8. It suggest that at the same concentration, the inhibitory effect of compound gallnut was better than Bletilla striata.

9. To study the optimal process of the extraction of tannic acid from Chinese gallnut.