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imin2bdsm -> RE: Is it true that coating eggs in mineral oil will make them last up to 9-12 months? (2/6/2013 12:57:38 PM)
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Waterglass, sodium silicate, was used to keep eggs fresh. My grandmother had a large crock full of waterglass and several dozen eggs in their kitchen. At the time the family raised chickens for eggs and meat, selling most of the output on an 'egg route'
From Wikipedia: Sodium silicate was also used as an egg preservation agent in the early 20th century with large success. When fresh eggs are immersed in it, bacteria which cause the eggs to spoil are kept out and water is kept in. Eggs can be kept fresh using this method for up to five months. When boiling eggs preserved this way, it is well advised to pin-prick the egg to allow steam to escape because the shell is no longer porous.
There are varieties of food grade Mineral Oil. Mostly used for cutting boards and butcher blocks. But it is also used in some food.
Again from Wikipedia: it is occasionally used in the food industry, particularly for candy. In this application, it is typically used for the glossy effect it produces, and to prevent the candy pieces from adhering to each other. It has been discouraged for use in children's foods, though it is still found in many candies, including Swedish Fish. The use of food grade mineral oil is self-limiting because of its laxative effect. The maximum daily intake is calculated to be about 100 mg, of which some 80 mg are contributed from its use on machines in the baking industry.
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