In a slow cooker, combine broth, tomatoes, beans, carrots, celery, onion, thyme, sage, bay leaves, and 1/2 teaspoon each salt and black pepper. Cover and cook on LOW for 6 to 8 hours or on HIGH for 3 to 4 hours.Thirty minutes before the soup is done cooking, add ditalini, zucchini and spinach.n a slow cooker, combine broth, tomatoes, beans, carrots, celery, onion, thyme, sage, bay leaves, and 1/2 teaspoon each salt and black pepper. Cover and cook on LOW for 6 to 8 hours or on HIGH for 3 to 4 hours.
The use of rennet in cheese manufacture was among the earliest applications of exogenous enzymes in food processing, dating back to approximately 6000 B C. In 1994, the total production of cheese was 8000 metric tons against a total demand of 9000 metric tons.
According to Wikipedia, the active enzyme in rennet is called chymosin or rennin but there are also other important enzymes in it such as pepsin and lipase.It is used in cheese making to speed coagulation and separate the curds and whey after the starter culture is added to the milk.