4170
The antioxidant activity was determined by free radicals scavenging activity , reducing power and inhibition of lipid peroxidation , the antitumour potential was tested in human tumour cell lines ( breast , lung , colon , cervical and hepatocellular carcinomas ) , and the hepatotoxicity was evaluated using a porcine liver primary cell culture .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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