Buying sausage lining is safe. Enema do not put sugar garlic, some places people like to eat sweets, no matter what dishes to add sugar, enema sausage is no exception. I don't know that this seasoning of sugar is more viscous after melting, it is difficult to dry, so add sugar sausage, preservation time is limited.
The rich taste of the sausage, often more spices, like five spice powder, pepper, peel, etc., garlic aroma is strong and unique, is commonly used in the life of the seasoning, but put in the sausage is not suitable, because it contains a certain amount of water, fermentation inside the sausage, produce sour taste.