30591
The neuritogenic and neuroprotective activities of six starfish polar steroids , asterosaponin P 1 , ( 25S ) - 5 alpha - cholestane - 3 beta , 4 beta , 6 alpha , 7 alpha , 8 , 15 alpha , 16 beta , 26 - octaol , and ( 25S ) - 5 alpha - cholestane - 3 beta , 6 alpha , 7 alpha , 8 , 15 alpha , 16 beta , 26 - heptaol ( 1 - 3 ) from the starfish Patiria pectinifera and distolasterosides D1 - D3 ( 4 - 6 ) from the starfish Distolasterias nipon were analyzed using the mouse neuroblastoma ( NB ) C - 1300 cell line and an organotypic rat hippocampal slice culture ( OHSC ) .
 Chemical: steroids; Chemical: asterosaponin P 1; Chemical: ( 25S ) - 5 alpha - cholestane - 3 beta , 4 beta , 6 alpha , 7 alpha , 8 , 15 alpha , 16 beta , 26 - octaol; Chemical: ( 25S ) - 5 alpha - cholestane - 3 beta , 6 alpha , 7 alpha , 8 , 15 alpha , 16 beta , 26 - heptaol; Chemical: distolasterosides D1 - D3
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: steroids; Chemical: asterosaponin P 1; Chemical: ( 25S ) - 5 alpha - cholestane - 3 beta , 4 beta , 6 alpha , 7 alpha , 8 , 15 alpha , 16 beta , 26 - octaol; Chemical: ( 25S ) - 5 alpha - cholestane - 3 beta , 6 alpha , 7 alpha , 8 , 15 alpha , 16 beta , 26 - heptaol; Chemical: distolasterosides D1 - D3