29881
Abstract This study aimed to investigate the role of Salvia triloba L . and Piper nigrum extracts in ameliorating neuroinflammatory insults characteristic of Alzheimer ' s disease ( AD ) in an experimentally induced rat model .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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