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焦磷酸钠在食品里都起什么作用
更新时间: 2020-09-29 00:00:00  

焦磷酸钠在食品加工中作为品质改良剂,乳化分散剂,缓冲剂,螯合剂,具有缩合磷酸盐的通性,螯合和分散作用明显,可抗絮凝,能防止脂肪氧化,酪蛋白增粘等等。

焦磷酸钠的分子式是Na4P2O7·10H2O,相对分子质量446、07。又称二磷酸四钠,有无水物与十水物之分。十水物为无色或白色结晶或结晶性粉末,无水物为白色粉末,溶于水,不溶于乙醇和其他有机溶剂。

关键词: 磷酸 食品 什么 作用

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