Mexican Yam Diosgenin Powder from Mexico
Diosgenin, a steroidal sapogenin precursor to progesterone, extracted from Mexican wild yam (Dioscorea villosa) rhizomes. Obtained indirectly from vegetable materials through acid hydrolysis, used primarily as a hormone intermediate. Fits HTS 2937.23.10 for natural steroidal hormone derivatives.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• CITES permits may be needed for wild yam species; provide chromatograms showing >90% purity; document hydrolysis process to prove indirect vegetable origin