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The parcel is typically made from folded parchment paper, but other material, such as a paper bag or aluminum foil, may be used. The parcel holds in moisture to steam the food. [ 2 ] The pocket is created by overlapping circles of paper or foil and folding them tightly around the food to create a seal.
A number of manufacturers are now making disposable foodservice products from a combination of natural starches, recycled fibers, water, air, and natural minerals. [9] These composite products include cups, plates, bowls, cutlery, sandwich wraps, food containers and trays. Ideally these products are easily biodegradable and composted after use.
In 1883, Charles Stilwell patented a machine that made square-bottom paper bags with pleated sides, making them easier to fold and store. [3] [4] This style of bag came to be known as the S.O.S., or "Self-Opening Sack". [5] In 1912, Walter Deubener, a grocer in Saint Paul, Minnesota, used cord to reinforce paper bags and add carrying handles ...
Food packaging is a packaging system specifically designed for food and represents one of the most important aspects among the processes involved in the food industry, as it provides protection from chemical, biological and physical alterations. [1] The main goal of food packaging is to provide a practical means of protecting and delivering ...
The food is first prepared, either raw or cooked, and then sealed into the retort pouch. The pouch is then heated to 240-250 °F (116-121 °C) for several minutes under high pressure inside a retort or autoclave machine. The food inside is cooked in a similar way to pressure cooking.
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Parchment paper is also used to cook en papillote, a technique where food is steamed or cooked within closed pouches made from parchment paper. Parchment paper can be used in most applications that call for wax paper as a non-stick surface. The reverse is not true, as using wax paper would cause smoke in the oven and would adversely affect ...