Research Article

The Restorative Effect of Red Guava (Psidium guajava L.) Fruit Extract on Pulmonary Tissue of Rats (Rattus norvegicus) Exposed to Cigarette Smoke

Figure 3

The pulmonary cells of the rat were administered RGFE and exposed to cigarette smoke. Ethidium bromide and acridine orange staining, magnification of 400X. Note: green color = alive pulmonary cells, orange color with yellow spots in the center of cells = apoptotic pulmonary cells, and brown color = necrotic of pulmonary cells. CG = rats administered 0.5 mL CMC Na 0.5%, T0 = rats administered CMC Na 0.5% and exposed to cigarette smoke, and T1, T2, and T3 = rats administered RGFE 18.9, 3.78, and 5.76 mg/kg BW/day and exposed to cigarette smoke. (a) CG. (b) T0. (c) T1. (d) T2. (e) T3.
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