By controlling the frequency, amplitude and strength of the electric current, the researchers can stimulate either sourness, saltiness and bitterness. They say up to 80% of people experience changes in saltiness and sourness with the devices and 70% can sense changes in bitterness.
研究人员可通过控制电流的频率、幅度和强度刺激酸味、咸味和苦味等味觉。他们表示,80%的人可通过这一装置感受到咸味和酸味变化,70%的人可感受到苦味变化。
Dr Ranasinghe, whose work is published in the journal Food Research International, initially developed a fork that could replicate saltiness but has since developed a spoon, chopsticks and a soup bowl that can trigger all three tastes.
拉纳辛哈博士的研究发表在《国际食品研究》杂志上,他最初开发了一款可以复制咸味的叉子,后来又研发了可以激发全部三种味道的勺子、筷子和汤碗。
He said he was also working on ways of replicating sweetness and spiciness by rapidly heating and cooling the tongue.
他表示,自己正在研究通过迅速加热或冷却舌头复制甜味和辣味的方法。
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