164 



MILK AND DAIRY PRODUCTS PART 



This liquid is shaken out once with 500 c.c. and two or three 

 times with 200-250 c.c. of ether. After distilling off the ether 



/\ 



FIG. 64. (.) Cholesterine Crystals ; (b) Phytosterine Crystals ; (c) Mixed 

 Crystals of Cholesterine and Phytosterine. 



the small quantity of alcohol that remains is got rid of by 

 blowing a current of air into the flask. 



