15513
Dephosphorylating beta - casein increased its pH of minimum solubility from ~ pH 5 to 5 . 5 and reduced its net negative charge from - 30 . 8 to - 27 . 0 mV .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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