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Vitamin E is a major lipid - soluble antioxidant vitamin and free radical scavenger , presents as an integral component of cellular membranes and has important biological functions .
 Chemical: Vitamin E
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: Vitamin E