1045
Oral administration of single dose of the water extract , calculated as powdered Prasaplai up to 20 g kg ( - 1 ) in rats , showed no sign and symptom of acute toxicity , and no rat died even at the maximum dose .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None