這個(gè)用化學(xué)不會(huì).舌頭對(duì)于甜味的味蕾分布于舌尖,而味蕾受到甜的刺激后產(chǎn)生神經(jīng)酶,刺激味覺神經(jīng)傳導(dǎo)甜味的神經(jīng)沖動(dòng)至大腦,在大腦的味覺中樞產(chǎn)生味覺的意識(shí).當(dāng)?shù)谝淮谓佑|時(shí),味覺神經(jīng)突然受到甜味的刺激,發(fā)生應(yīng)激反應(yīng),產(chǎn)...