Question: what are the main ingredients in wine?
Answer: GRAPE MUST (SKIN AND SEEDS) First things first: To make wine, you need grape must. ...  YEAST. Two types of yeast are used in wine making. ...  More:The history of wine in America. The second is cultured yeast that is added to the grape must. ...  SUGAR. ...  ACID. ...  SULFUR. ...  FINING.