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.
[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.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.