E621 – What does E621 mean?

E621 is a food flavor enhancer which is also known as MSG (Monosodium glutamate) in chemical term. The E code in E621 shows the European standard substance alphabetic order code. The numbers after E refers to specific substance. Origin E621’s root belongs to Germany where a chemist named K. H. Ritthausen(1) tried to get some new flavors in daily food. …

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