Research Article

Therapeutic Effect of Bilsaan, Sambucus nigra Stem Exudate, on the OVA-Induced Allergic Asthma in Mice

Figure 8

Bilsaan treatment reduces the infiltration of inflammatory cells, thickening of alveolar walls, and the congestion in the lung tissues. Histological analysis and hematoxylin and eosin (H and E) staining of the lung tissue sections from (a) normal control mice, (b) OVA-exposed mice, (c) OVA-exposed mice treated with Bilsaan-10 mg/kg, and (d) OVA-exposed mice treated with Bilsaan-25 mg/kg.
(a)
(b)
(c)
(d)