Monitoring salinity levels in soy sauce, ketchup, sauces, soups, spices, juice of pickled vegetables, etc. are essential for quality control. One of the key factors in the production of these products is to maintain consistency between batches of their product for quality control and processes. To keep this manufacturing need to test the product to determine the total concentration of salt.

The soft drink industry produces beverages such as fruit juice, energy drinks and carbonated drinks. One of the key factors in producing these beverages is maintaining consistency between batches of their product for quality control and process control. In order to keep this consistency the manufacture needs to test the product to determine the total concentration of water-soluble solids (Brix value).

Polymorphisms in the PON1 gene are associated with the risk of coronary artery disease, diabetic retinopathy, and age-related macular degeneration.