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Advances in tomato cell culturing techniques offer an economical tool for generation of highly - enriched ( 13 ) C - lycopene for human bioavailability and metabolism studies .
 Chemical: ( 13 ) C - lycopene
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: ( 13 ) C - lycopene