25321
For individual proteins , bovine serum albumin had higher binding affinity with norbixin than beta - lactoglobulin and alpha - lactalbumin , while kappa - casein bound with norbixin better than alpha - and beta - caseins .
 Chemical: norbixin; Chemical: norbixin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: norbixin, norbixin 
Answer:
 Chemical: norbixin; Chemical: norbixin