17160
The best results in terms of encapsulation efficiency , in vitro active agent release profile and in vitro adhesive properties , both to oral mucosa and to teeth surface , were obtained with a blend of Alginate Protanal LF200S : Alginate Protanal LF120LS 1 : 1 . 5 w / w , 0 . 1M CaCl ( 2 ) , and chitosan coating , prepared by a one - step complex coacervation method .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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