Antipharyngitis Effects of Syringa oblata L. Ethanolic Extract in Acute Pharyngitis Rat Model and Anti-Inflammatory Effect of Ir-Idoids in LPS-Induced RAW 264.7 Cells

Table 2

Pathological damage score criteria in ammonia-induced acute pharyngitis rat models.

Symptom rating	Hemorrhage	Cell infiltration	Gland atrophy	Edema	Mucosal hyperplasia
0	NO	NO	NO	NO	NO
1	Mild	Mild	Mild	Mild	Mild
2	Moderate	Moderate	Moderate	Moderate	Moderate
3	Severe	Severe	Severe	Severe	Severe
4	Very severe	Very severe	Very severe	Very severe	Very severe