Myrtaceae

Psidium guajava (Vernacular name: Ipera)

i. Phytochemical screening

-Parts used for medicinal purposes

Leaves

Stem

-Solvent used:

Methanol

Petroleum ether

-Major chemical constituents

Leaves

Stem

Phenol

Tannins

Resins

Alkaloids

Glycosides

Phenol

Tannins

Resins

Alkaloids

Glycosides

ii. Antibacterial activity

Bacterial strains

Activity

Solvents used

Shigella sonnei  29531

No activity in both parts

With both solvents

E. coli 35218

Potential activity in both parts

In presence of methanol

E. coli 25922

Potential activity in leaves

In presence of methanol

Streptococcus pneumonia 49619

Potential activity in both parts

In presence of methanol

Pseudomonas aeruginosa 29213

Potential activity in both parts

In presence of methanol

Staphylococcus aureus 43300

Potential activity in both parts

In presence of methanol

 

RN4, Musanze

ephyto@ines.ac.rw

+250 782 175 885