魚頭豆腐湯的化學反應

為wei什shen麼me用yong煎jian過guo的de魚yu頭tou和he豆dou腐fu煮zhu湯tang就jiu會hui變bian成cheng乳ru白bai色se
？而er沒mei有you煎jian過guo的de魚yu頭tou就jiu沒mei有you此ci效xiao果guo？其qi中zhong發fa生sheng了le什shen麼me化hua學xue反fan應ying？哪na一yi種zhong食shi用yong方fang法fa比bi較jiao健jian康kang有you營ying養yang？