3576
In the present study , solid dispersions of curcumin have been prepared through lyophilization of concentrated solutions obtained from dissolution of hydroxypropyl - beta - cyclodextrin ( HP beta CD ) - curcumin co - precipitates .
 curcumin, hydroxypropyl - beta - cyclodextrin, HP beta CD, curcumin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 curcumin, hydroxypropyl - beta - cyclodextrin, HP beta CD, curcumin