Maoliani Nurul Fitri Fitri
Universitas Negeri Semarang

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Identification of Secondary Metabolites in Guava Leaf Extract (Psidium guajava L.) Maoliani Nurul Fitri Fitri
Journal of Science and Technology Research for Pharmacy Vol. 6 No. 1 (2026): Journal of Science and Technology Research for Pharmacy
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jstrp.v6i1.49213

Abstract

Guava leaves (Psidium guajava L.) are known for their significant potential as a natural therapy for diabetes due to their bioactive compound content. This study sought to determine the secondary metabolite chemicals present in the ethanolic extract of guava leaves sourced from Tegal, Central Java, via phytochemical analysis. The extraction process employed the maceration method, utilizing 96% ethanol as the solvent. The screening of phytochemicals includes assays for tannins, saponins, steroids/terpenoids, alkaloids, and flavonoids. However, the steroid test yielded a negative result. These findings indicate that guava leaves are a rich source of active compounds, particularly flavonoids, alkaloids, and terpenoids, which are believed to play a role in lowering blood glucose levels.