1807
Samples ( 1 g ) were extracted with 0 . 5 % potassium chloride ( KCl ) in 70 % methanol ( 5 ml ) and diluted subsequently to give two - fold to ten - fold step - wise dilutions in phosphate - buffered saline containing 0 . 05 % Tween 20 and 0 . 2 % bovine serum albumin ( PBS - T BSA ) .
 GENE: bovine serum albumin; GENE: BSA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: bovine serum albumin; GENE: BSA