13979
Protective effects of oral crocin against intracerebroventricular streptozotocin - induced spatial memory deficit and oxidative stress in rats .
 Chemical: crocin; Chemical: streptozotocin
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: crocin; Chemical: streptozotocin