colostrum vs liquid gold

colostrum

noun
  • A mixture of turpentine and egg yolk, formerly used as an emulsion. 

  • A form of milk produced by the mammary glands in late pregnancy and the few days after giving birth. Human and bovine colostrum is thick and yellowish. In humans, it has high concentrations of nutrients and antibodies, but it is small in quantity. 

liquid gold

noun
  • A kind of liquid preparation used to decorate ceramic ware with gold or gold colour. 

  • Water. 

  • Beer. 

  • Crude oil. 

  • Urine. 

  • Sandalwood oil 

  • Any liquid that is yellow in color, such as beer, olive oil or a liquid cheese. 

  • Colostrum. 

How often have the words colostrum and liquid gold occurred in a corpus of books? (source: Google Ngram Viewer )