Mangiferin from China
Mangiferin, a xanthone C-glucoside from mango leaves, classified under HTS 2938.90.00.00. Antioxidant and anti-inflammatory nutraceutical.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify C-glycoside vs O-glycoside linkage critical for classification
• MS/MS fragmentation pattern confirms structure
• UV absorbance 254/360 nm ratio verification