3828
Four flavonoidal compounds were isolated and identified as naringenin , aromadendrin , apigenin and 4 ' - O - methoxy - luteolin - 7 - O - rhamnoglucoside , each demonstrating antiulcerogenic activity with curative ratios ranging from 75 . 78 % to 88 . 23 % .
 Chemical: flavonoidal; Chemical: naringenin; Chemical: aromadendrin; Chemical: apigenin; Chemical: 4 ' - O - methoxy - luteolin - 7 - O - rhamnoglucoside
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: flavonoidal, naringenin, aromadendrin, apigenin, 4 ' - O - methoxy - luteolin - 7 - O - rhamnoglucoside 
Answer:
 Chemical: flavonoidal; Chemical: naringenin; Chemical: aromadendrin; Chemical: apigenin; Chemical: 4 ' - O - methoxy - luteolin - 7 - O - rhamnoglucoside