Who tell you that:

Commercial butter is about 80% butterfat and 15% water; traditionally-made butter may have as little as 65% fat and 30% water. Butterfat consists of many moderate-sized, saturated hydrocarbon chain fatty acids.

所有跟帖： 

• Butterfat的饱和脂肪含量在70％以下，你去看看包装上的数字吧 -uptrend- ♂ (0 bytes) () 03/05/2008 postreply 08:23:56

• Butterfat约含油酸（Oleic acid）24% (见Wiki)，油酸由于含有双键， -uptrend- ♂ (96 bytes) () 03/05/2008 postreply 11:45:34