2491
Previous studies have demonstrated that wogonoside , a bioactive flavonoid extracted from the root of Scutellaria baicalensis Gerogi , has anti - inflammatory and anti - angiogenic activities .
 Chemical: wogonoside; Chemical: flavonoid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: wogonoside; Chemical: flavonoid