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The data of the present study suggest that S . virgaurea extract exerts its protective effect by decreasing MDA level and increasing the antioxidant status in isoproterenol - treated rats .
 Chemical: MDA; Chemical: isoproterenol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: MDA; Chemical: isoproterenol