Frozen Chinese Yam (Nagaimo) from Mexico
Frozen Chinese yam, known as nagaimo (Dioscorea opposita), is a mucilaginous starchy tuber frozen in slices for Asian dishes like tororo. It qualifies for HTS 0714.30.2000 as frozen yams of Dioscorea spp. with high starch or inulin content. Freezing maintains texture for grating or stir-fries.
Duty Rate — Mexico → United States
16%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide lab analysis confirming high starch content if challenged, as some Dioscorea varieties border on medicinal uses
• Comply with USDA APHIS import permits for tubers from Asia to prevent pest introduction
• Document IQF process to distinguish from block-frozen, affecting storage and duty uniformity