1. Methods: The chemical compositions of Psidium Guajava L . leaf were analyzed and identified by GC - MS method.

2. The fruit quality and juice-making suitability of there different guava (Psidium guajava L. ) cultivars were evaluated, and their sugar and acid compositions and antioxidant activities were analyzed.

3. The worst invader, Asner says, is strawberry guava (Psidium cattleianum), which was imported for its fruit.

4. Psidium guajava Linn (guava) was effective in prevention against diabetes but which component is responsible for it is still unknown.

5. This paper appraised fruit quality and juice-making suitability of 3 different guava (Psidium guajava L. ) cultivars and analyzed their sugar and acid compositions and antioxidant activities.

6. The antibacterial activity of the extract from Psidium againstbacteria was studied by disk diffusion method.

7. Conclusion: The study demonstrate that water-soluble extract from Psidium guajava leaves have the effect on lowing blood glucose.

8. The test extract polysaccharides of Psidium guajava leaves by ethanol degreasing method. The extraction rate of polysaccharide is 15.3%, 9.7%.

9. The introduction experiment of pearl variety of Psidium guajava was conducted in the subtropical area of Guizhou.

10. Abstract: In the thesis, optimizing technics of extracting seed oil from Psidium guajava was carried on by single factor experiment and L9(33) quadrature enhancing experiment with Soxhlet extraction.

11. The chemical constituents and pharmacological effects of the leaves of Psidium guajava were reviewed.

12. Objective To investigate the antidiarrheal mechanism of quercetin extracted from Psidium guajava L.

13. Objective:To research the chemical compositions of alcohol extraction from Psidium Guajava L. leaf, and to provide the scientific proof for the exploitation of this herbal resource.

14. Objective : To research the chemical compositions of alcohol extraction from Psidium Guajava L.

14. try its best to gather and make good sentences.

15. Objective: To study the role of water-soluble extract from Psidium guajava leaves in decreasing blood glucose.

16. OBJECTIVE To study human leukocyte elastase ( HLE ) inhibitor constituents from Psidium guajava L.

17. Any of various tropical American shrubs and trees of the genus Psidium, especially P. guajava, having white flowers and edible fruit.