Some of the saltiest sources of packaged foods include: 1  deli meat. 2  frozen pizza. 3  vegetable juices.  canned 1  soup. canned or bottled tomato products.
Antibodies show the following characteristics and perform different functions. (i) IgA: It is the second most abundant class, constituting about 10 to 15 per cent of antibodies of serum. It is mainly found in sweat, tears, saliva, mucus, colostrum (first milk secreted by a mother) and gastrointestinal secretions. Smaller quantities are present in blood and lymph.
This paper will review sIgAâs known effects on mucosal immunity and describe the emerging research that shows its beneficial impact on digestive health. sIgA in Mucosal Immunity. sIgA is the main antibody found in mucous secretions, including tears, sweat, saliva, milk, and colostrum.