28855
Whereas Helianthemum alypoides , Helianthemum cinereum subsp . rotundifolium , Helianthemum hirtum , Helianthemum asperum , and Helianthemum marifolium subsp . marifolium were characterized by the presence of gallic acid , egallic derivatives and ellagitannins ; the polyphenolic profile of Helianthemum apenninum subsp . cavanillesianum , Helianthemum syriacum and Helianthemum polygonoides was mostly based on flavonoids .
 Chemical: gallic acid; Chemical: egallic; Chemical: flavonoids
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: gallic acid; Chemical: egallic; Chemical: flavonoids