4233
The extract inhibited elevation of the intracellular Ca ( 2 + ) concentration caused by stimulation by antigen , while not suppressing degranulation induced by a calcium ionophore A23187 .
 Chemical: Ca ( 2 + ); Chemical: calcium; Chemical: A23187
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: Ca ( 2 + ); Chemical: calcium; Chemical: A23187