Australia produces the largest amount of alumina because she has a large body of bauxite. Jamica, South Africa and some other countries also have a good reserve. Alcan is an international company in Canada, that produces aluminum products, including aluminum foils. You might have used it to wrap your burgers.
Glutamic acid is a natural constituent of many fermented or aged foods, including soy sauce, fermented bean paste, and cheese, and is also a component of hydrolyzed protein such as yeast extract.The sodium salt of glutamic acid, monosodium glutamate (MSG), is a widely used additive in the food industry.lutamic acid is a natural constituent of many fermented or aged foods, including soy sauce, fermented bean paste, and cheese, and is also a component of hydrolyzed protein such as yeast extract.
For example, the pH level of milk is around 6. Because the pH level of water is 7, milk is 10 times more acidic than water. Vinegar has a pH of about 3, making it 40 times more acidic than water [source: Carpi]. On the other end of the spectrum, milk of magnesia is a base with a pH of 10, which is why it's soothing to an acidic stomach. Lye has a pH of 13 and can dissolve sticky substances like fat.