Monosodium glutamate (MSG, also known as sodium glutamate) is the sodium salt of glutamic acid, one of the most abundant naturally-occurring non-essential amino acids.[Manuf. 1] MSG is found in tomatoes, Parmesan, potatoes, mushrooms, and other vegetables and fruits.[1](Wikipedia)
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第一条有误。据美国CDC.gov:
For the 2014-15 season, manufacturers will produce approximately 105 million doses of thimerosal-free or preservative-free (trace thimerosal) influenza vaccine.