Research advance in the processing of Psidium guajava and Psidium guajava leaves

The chemical components and their efficacy of Psidium guajava and Psidium guajava leaf were reviewed and the extraction methods of the effective components of guava and its leaf were summarized in this paper.Furthermore the research advances on the progressing technologies of guava fruit wine, guava beverage, guava fruit cake and guava jelly, as well as the discussions on the guava processing development trends in the food industry were discussed.