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Of the 22 seaweed species examined , ethanol extracts of Gelidium amansii ( GAE ) exhibited potent neuritogenic activity , followed by Undaria pinnatifida and Sargassum fulvellum extracts .
 Chemical: ethanol
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: ethanol