Who did not dream coming home after a long day and just pressing a few buttons to get a hot, 3D-cooked home-cooked meal, courtesy of a digital chef? It can even make microwaves and ice cold snacks out of stock. University of Columbia experts are trying to make this possible, and are now figuring out how to simultaneously switch to 3D and cook portions of white chicken, according to recent paper published in the newspaper npj Food Science. Granted, it’s not at the same level as the Star Trek Replicator, which can make a complete meal at will, but it’s a first.
Coauthor Hob Lipson runs the Creative Machines Lab at Columbia University, where the research was conducted. His team began to explain 3D printing for food back to 2007, using Fab @ Home’s process of making several 3D food items with chocolate frosting, chocolate, processed cheese, and peanut butter. However, commercial equipment capable of printing and cooking food portions is no longer available. There has been research on how to cook food using lasers, and the Lipson team thought this could be a reliable way to investigate further.
“We realized that, even though printers can only produce millimeters in diameter, there is no way to heat this way,” he said. Coauthor Jonathan Blutinger said. “Cooking is important for food, taste, and food composition in most diets, and we doubt whether we can devise methods and lasers to address this.” They used a laser diode laser (5-10 Watts) as a starting point for heating and measuring lasers in near- and mid-infrared comparison, as well as a standard toaster oven.
The scientists bought a raw chicken breast from a nearby store and then washed it in a food processor to make it more consistent. He removed all the tendons and lowered them to the refrigerator before replacing the 3D printing presses. The cooking equipment used a powerful laser diode, glass galvanometers (a device that detects electrical power by hiding light beams), a 3D printing machine, laser protection, and a removable tray that cooks a 3D chicken coop.
“In the beginning of laser cooking, our laser diode was set up in a 3D printing machine, but as experiments progressed, we changed the setting when the laser was mounted according to the head of the extrusion machine,” the authors wrote. “This setup allowed us to print and cook the ingredients on the same machine.” They also try to cook a printed chicken after printing it in plastic.
The result? Laser-cooked chicken retained twice as much moisture as cooked chicken, and is slightly reduced while retaining the same aroma. But different types of lasers produced different results. The blue laser was ideal for cooking chicken inside, on the ground, while the infrared lasers were better on the surface and burned. In the case of plastic chickens, the blue laser was a small advantage, but the infrared laser was more effective in enriching the chickens through this package. The team can also illuminate the top of the hen carried during the grill reminder.
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