Amino Acid Glutamic Acid Flag: Glu or E Flag

The Glutamic Acid Flag uses the colours white, cyan, and red.  The red field indicates the presence of oxygen in the R-Group.  The three white dots represent the three carbons of the R-Group.  Finally the vertical white and cyan stripe indicate the letter E, which is the single abbreviation for this amino acid.

Since E is the 5th letter and cyan (sky blue or blue) is the 5th colour of the rainbow, it is utilized as a colour metric indicator.

This amino acid was discovered in1866, by the German chemist Karl Heinrich Ritthausen.  On a more familiar note, most people are familiar with the flavor of this amino acid when you eat Chinese food.  Glutamic Acid forms a salt what give food its certain 'Chinese' flavor, which is known as 'unmami.'

Perhaps if the didn't call it MSG it would be less scary.  People eat with the eyes as they do with their ears.  People don't like eating pig, but eating pork sound better.  Since MSG has sodium, it is a special king of salt.  So a better name for MSG would be sun-salt, since it was discovered in Japan after all.