date:Jul 26, 2018
(listed under Non-aromatic imines and their derivatives; salts thereof).
Fabricant said amino acids are the biggest concern, because almost all such ingredients used in the natural products industry come from China.
The HTS lists amino acids in several categories including aromatic (mostly tryptophan, tyrosine and phenylalanine) and non-aromatic amino acidsfurther broken into subcategories based on oxygen function. There are at least three different tariffs for the various subcategories for a