21754
In this study , we have investigated the interactions between ABCG2 and 56 naturally - occurring phytochemicals including phenolic acids , flavonoids , triterpenes and other common dietary phytochemicals , as well as two non plant - based compounds ( hippuric acid and propyl gallate ) using cell - and membrane - based transport inhibition assays .
 Chemical: phenolic acids; Chemical: flavonoids; Chemical: triterpenes; Chemical: hippuric acid; Chemical: propyl gallate
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: phenolic acids; Chemical: flavonoids; Chemical: triterpenes; Chemical: hippuric acid; Chemical: propyl gallate