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.
Marmite can also be made into a savoury hot drink by adding one teaspoon to a mug of hot water much like Oxo and Bovril. Marmite is paired with cheese, such as in a cheese sandwich, and has been used as an additional flavouring in Mini Cheddars, a cheese-flavoured biscuit snack.n 1990, Marmite Limited â which had become a subsidiary of Bovril Limited â was bought by CPC International Inc, which changed its name to Best Foods Inc in 1998. Best Foods Inc subsequently merged with Unilever in 2000, and Marmite is now a trademark owned by Unilever.