What is retort processing?
Retort processing can be a batch or continuous process that provides in-container sterilization to low acid (pH greater than 4.6) food products to render them shelf stable, as opposed to refrigerated or frozen low acid products. “With batch retorts, the manufacturer has an asset that can be used for present products.
How does a retort machine work?
Retorts sterilize food after it is sealed in a container by steam or other heating methods. Typically, the sterilization temperatures vary from 230°F/110°C to 275°F/135°C. Newer agitation retort processes have reduced cook times, resulting in energy savings and less degradation of the food quality.
How is retort made?
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.
What is retort equipment?
Retort means any closed vessel or other equipment used for the thermal processing of foods. Typically the sterilization temperatures vary from 110 to 135°C.
Why is it called a retort pouch?
Retort Pouch and Tray Technology The retort pouch is a misnomer, since the name today denotes a flexible pouch for low-acid foods terminally sterilized in a pressure vessel often called a retort.
What is retort resistance?
The ink of retort pouch, high temperature retort resistance of the ink. For retort pouch, the high temperature retort resistance of the ink mainly refers to the heat resistance of the ink, that is, the degree of resistance of the ink layer to discoloration under heat.
What is advanced retort technology?
What is Retorting? Retorting is heating of low acid foods prone to microbial spoilage in hermetically sealed containers to extend their shelf life. The goal of retort processing is to obtain commercial sterilization by application of heat.
Why is it called a retort?
An early method for producing phosphorus starts by roasting bones, and uses clay retorts encased in a very hot brick furnace to distill out the highly toxic product. The term retort comes by way of Middle French, but ultimately from Latin retortus, twisted back, for the shape of the neck.
Can retort pouch be microwaved?
The retort pouch product can be consumed as such without heating or it can either be heated quickly by keeping the pouch in boiling water for about 3 minutes or by opening the pouch, removing and heating the food product directly in the bowl in microwave oven for a minute.
How do you sterilize a retort pouch?
The pouch is then heated to 240–250°F (116–121°C) for several minutes under high pressure, inside retort or autoclave machines. This process reliably kills all commonly occurring microorganisms (particularly Clostridium botulinum), preventing it from spoiling.
Are retort pouches recyclable?
Able to withstand aggressive retort conditions of 130oC without sacrificing barrier properties, RT-3000 has been successfully tested in advance of our commercialization,” says Hesam Tabatabaei, vice president of product development and innovation for ProAmpac. …
What is a crematory retort?
What is a cremation retort? It’s the chamber where the actual cremation of the body of the deceased takes place. Due to the high temperatures used in the retort during the cremation process, maintenance or repairs are sometimes needed.