Skip to main content

Table 5 Antibacterial and antioxidant activity of guava leaf extract and jellies

From: Extraction of bioactive compounds from Psidium guajava leaves and its utilization in preparation of jellies

Samples Antibacterial activity—zone of inhibition (mm) Antioxidant activity (%)
P. vulgaris S. mutans B. subtilis S. aureus DPPH radical Hydroxyl radical
Guava leaf extract 12.1 ± 0.03 13.3 ± 0.01 14.1 ± 0.02 13.6 ± 0.01 47.87 ± 0.07 43.36 ± 0.06
Ampicillin 03.3 ± 0.01 14.7 ± 0.05 13.6 ± 0.01 15.8 ± 0.04
Control jelly (CJ) 03.1 ± 0.04 07.2 ± 0.01 05.2 ± 0.02 07.7 ± 0.03 26.23 ± 0.04 20.08 ± 0.05
Guava jelly (GJ) 11.4 ± 0.06 12.9 ± 0.01 13.6 ± 0.07 13.1 ± 0.03 42.38 ± 0.06 33.44 ± 0.04
  1. Data is expressed as mean ± standard deviation