Guava leaf has been used for centruries as a herb for the treatment of diarrhea, cough andother diseases. Phenolics have been thought to be the main active compounds in guava leafwhich contribute to these pharmaceutical characters. In this study, our attention was much paidto the extraction, separation, identification of the phenolic compounds in guava leaf as well astheir antioxidative and antimicrobial activity.
Firstly, the extraction processes of polyphenolic compounds from dry guava leaf incl...