From Wikipedia, the free encyclopedia. Magnesium oxide (Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of Mg O and consists of a lattice of Mg 2+ ions and O 2â ions held together by ionic bonding.
Today, the main ingredients of Marmite manufactured in the UK are glutamic acid-rich yeast extract, with lesser quantities of sodium chloride, vegetable extract, niacin, thiamine, spice extracts, riboflavin, folic acid and celery extracts, although the precise composition is a trade secret.maÊmit]), a French term for a large, covered earthenware or metal cooking pot. British Marmite was originally supplied in earthenware pots, but since the 1920s has been sold in glass jars shaped like the French cooking pot.
âThrush in a pot.â. Marmite is a British brand of sump oil, more suitable for colder weather conditions than the Australian equivalent, Vegemite. Its flavour is an intriguing cross between soy sauce, beef, and burnt matches. Even so, it is admittedly an acquired taste.