1642
Nevertheless , vitamin E deficiency impaired the ability of the somatostatin receptors to couple to the effectors adenylyl cyclase and phosphotyrosine phosphatase by diminishing Gi protein functionality .
 Chemical: vitamin E; Chemical: somatostatin; Chemical: adenylyl; Chemical: phosphotyrosine
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; Chemical: somatostatin; Chemical: adenylyl; Chemical: phosphotyrosine