29232
Compared to the commercial product , the double - layered wound dressing comprising 6 . 7 % PVA , 0 . 5 % sodium alginate and 0 . 01 % AME significantly enhanced the wound - healing effect in the wound - healing test .
 Chemical: PVA; Chemical: sodium alginate
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: PVA; Chemical: sodium alginate