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On the other hand , ascorbic acid significantly affected hemin iron absorption only in iron - deficient rats , in which C max showed a significant increase .
 Chemical: ascorbic acid; Chemical: hemin; Chemical: iron; Chemical: iron
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: ascorbic acid; Chemical: hemin; Chemical: iron; Chemical: iron