20378
Overall , all the extracts from both wild plants and in vitro cultures exhibited ability to scavenge free radicals , to chelate Fe ( 2 + ) and to protect against lipid peroxidation .
 Chemical: Fe ( 2 + )
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: Fe ( 2 + )