British media said the researchers said that the tableware that can emit electric shock can change the taste of food and help reduce the salt content of fast food.
According to the British "Daily Telegraph" website reported on August 12, scientists have developed a pair of chopsticks that can make food taste more salty, sour or bitter without increasing the amount of seasoning.
They are also working on spoons and forks that make food taste more spicy or sweeter.
Reported that this "digital seasoning" technology allows diners to adjust the taste of food when eating to meet their own requirements.
It also helps food manufacturers and restaurants reduce the amount of salt in food without affecting taste.
According to reports, the principle of this tableware is to send electrical pulses to the tip of the tongue to stimulate the taste buds.
Dr. Nimesa Lanasingha, assistant professor of computer science at the University of Maine, led the work on electronic tableware. He said: "This technology is to add a virtual taste. It will add flavor to different foods or beverages."
"For example, if you add an extra layer of electronic salt when using mashed potatoes, the overall taste will be enhanced."
According to reports, some Chinese takeaway food and fast food were found to have more than 11 times the salt content of a bag of potato chips, more than half the recommended daily salt intake for adults. Salt is known to be associated with serious health problems such as heart disease and stroke.
Dr. Rana Singh said that using a pair of electronic chopsticks can help reduce the amount of salt used, and at the same time the food will not taste light and tasteless.
It is reported that Dr. Rana Singh initially started research on this technology in Singapore, which installed two electrodes on each chopstick or spoon head.
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This causes them to emit a weak current to the tip of the tongue when they touch the tongue, stimulating the taste buds.
It is reported that researchers can stimulate sour, salty and bitter tastes by controlling the frequency, amplitude and intensity of the current. They said that 80% of people can feel the change of salty and sour taste through this device, and 70% can feel the change of bitterness.
Dr. Rana Singha ’s research was published in the journal International Food Research. He initially developed a fork that replicates the salty taste, and later developed spoons, chopsticks, and soup bowls that stimulate all three flavors.
He said he was studying ways to reproduce the sweet and spicy taste by quickly heating or cooling the tongue.
The report also said that there may be a spoon with a low sugar content to make the dessert sweeter, or a fork that makes the curry more spicy without too much pepper.
Dr. Rana Singh said: "We have made initial progress in simulating sweetness, mint cooling and hot taste. But this calorie simulation requires precise control of large amounts of calories."
He added that for this digital sugar and electronic chilli powder to be put into use, further research is still needed.
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