Re: 咖啡是酸性還是鹼性飲料? - 咖啡討論
By Victoria
at 2007-08-13T00:52
at 2007-08-13T00:52
Table of Contents
(恕刪)
事情是這樣的...
化學上 溶液的酸鹼性由ph值決定 最常用的方法就是拿試紙檢驗
從這個定義來說 檸檬(汁)和咖啡是酸性
所以國高中理化和化學課本會把檸檬(汁)當作酸性
但是食品的分類並非如此...
而是由食物經過消化之後 吸收到體內的物質來決定
檢驗方式就如同上篇推文tngtng大所說 將食物燃燒 剩下的物質加水後檢驗其酸鹼性
一般來說 含非金屬離子較多的食品屬酸性 含金屬離子較多的食品屬鹼性
這樣來看的話 檸檬和咖啡是鹼性
有錯請鞭 or2"
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