When the product pH is less than pH 4.1, due to. the addition of vinegar (acetic acid), and the dressings and. mayonnaise are held at room temperature for a few days, Salmonella spp. are inactivated (Smittle, 1977). Other organic. acids do not function as effectively as acetic acid.
These primate cities are often, but not always, the capital cities of a country. An excellent example of a primate city is Paris, which truly represents and serves as the focus of France.ome scholars define a primate city as one that is larger than the combined populations of the second and third ranked cities in a country. This definition does not represent true primacy, however, as the size of the first ranked city is not disproportionate to the second.
Paris Map : Home to over 3800 historic monuments and about four UNESCO World Heritage Sites, it comes as no surprise that Paris, the capital city of France is the most visited city in the world. Undoubtedly one of the most sophisticated and beautiful cities, Paris is also known as a chic fashion hub. The romance capital of the world is also a lively city and a center for art, culture, and haute couture.