Tobacco.
its tar because of its sticky property
Over 1,000 different substance all in them
Beijing food does not have a main ingredient. Anything could be the main ingredient. It depend on the food.
Sausage is the main ingredient.
Flour ( pasta ) is the main ingredient
The main ingredient in yoghurt is milk.
The shake's main ingredient is milk.
Sugar is the main ingredient of candy
Cabbage is the main ingredient in sauerkraut.
The main ingredient in ham salad is ham.
The main ingredient in pasta sauce is tomatoes.
Main ingredient is starch