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Effects of active constituents of Crocus sativus L . , crocin on streptozocin - induced model of sporadic Alzheimer ' s disease in male rats .
 Chemical: crocin; Chemical: streptozocin; Disease: Alzheimer ' s disease
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: crocin; Chemical: streptozocin; Disease: Alzheimer ' s disease