Quote:
Originally Posted by Syndrome
They are artificial reproductions of natural substances.
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It can be, but you'd have a hard time proving that it wasn't a natural product.
http://mbm.net.au/health/
E100 Curcumin Orange-yellow colour; derived from the root of the curcuma plant, but can be artificially produced
E621 Monosodium L-glutamate (MSG) Sodium salt from glutamic acid (E620), a natural amino acid (building block of protein). Commercially prepared from molasses by bacterial fermentation.