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来源: 鸡毛蒜皮 于 2008-03-04 18:33:37 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (210 bytes)
回答: 好象只有不饱和脂肪才会氧化吧. 由 鸡毛蒜皮 于 2008-03-04 15:05:03

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.

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