25240
Biogenic amine amounts were higher in red than in white berries , while in the wines an opposite trend was observed , with histamine , tyramine and putrescine being the most abundant in Pignoletto wines .
 amine, histamine, tyramine, putrescine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 amine, histamine, tyramine, putrescine