Classification
Product TypeRaw Material
Product FormFresh
Industry PositionPrimary Agricultural Product
Raw Material
Commodity GroupEdible root vegetable
Scientific NameArctium lappa L.
PerishabilityMedium
Growing Conditions- Deep, well-drained soils are used to support long, straight root development; some named production areas emphasize sandy or structured soils for quality shaping.
- Adequate water availability supports both cultivation and post-harvest washing where washed-root trade styles are required.
Main VarietiesGreater burdock (Arctium lappa)
Consumption Forms- Fresh cooked root (stir-fries, simmered dishes, tempura, mixed-rice dishes)
- Pickled preparations using cut roots
- Dried/roasted root products (e.g., burdock tea) derived from fresh roots
Grading Factors- Root length and diameter uniformity
- Straightness (minimal bending)
- Skin color and freedom from cracks/splits
- Cleanliness (washed vs soil-on), absence of bruising
- Freedom from pest damage (including nematode-related defects) and decay
Market
Fresh burdock root (Arctium lappa; “gobo” in Japan) is a niche but internationally traded edible root, with demand strongly associated with East Asian cuisines and diaspora retail/foodservice. In customs reporting it is typically captured under HS 070690 (“similar edible roots, fresh or chilled”), a basket category that also includes other roots (e.g., radishes, salad beet, salsify), so global trade totals are not burdock-specific. UN Comtrade data accessed via the World Bank WITS interface shows the HS 070690 category has major export flows from the Netherlands, China, Italy, Mexico and Spain (2024), with major import demand in markets such as Germany, the United States, South Korea, France and Poland (2023). Commercial value is shaped by straight, long roots; cleanliness (washed vs soil-on); and moisture management to prevent dehydration and quality loss.
Major Exporting Countries- 네덜란드Top exporter in UN Comtrade HS 070690 category (basket of similar edible roots) in 2024; not burdock-specific.
- 중국Top-tier exporter in UN Comtrade HS 070690 category in 2024; category aggregates multiple root vegetables including burdock.
- 이탈리아Top-tier exporter in UN Comtrade HS 070690 category in 2024; not burdock-specific.
- 멕시코Major exporter in UN Comtrade HS 070690 category in 2024; not burdock-specific.
- 스페인Significant exporter in UN Comtrade HS 070690 category in 2024; not burdock-specific.
Major Importing Countries- 독일Top importer in UN Comtrade HS 070690 category in 2023; category aggregates multiple similar edible roots.
- 미국Top importer in UN Comtrade HS 070690 category in 2023; category aggregates multiple similar edible roots.
- 대한민국Top importer in UN Comtrade HS 070690 category in 2023; category aggregates multiple similar edible roots.
- 프랑스Top importer in UN Comtrade HS 070690 category in 2023; category aggregates multiple similar edible roots.
- 폴란드Top importer in UN Comtrade HS 070690 category in 2023; category aggregates multiple similar edible roots.
Supply Calendar- Japan:Oct, Nov, Dec, Jan, FebPeak season is described as autumn/winter, but it is eaten and available year-round via staggered production and distribution.
Specification
Physical Attributes- Long, slender taproot with brown to gray-brown skin and white, crisp, fibrous flesh (fresh market quality emphasizes straightness and minimal bending).
- Cut surfaces can discolor/oxidize, so trimming and moisture control influence appearance and perceived freshness.
Compositional Metrics- High dietary fiber positioning is common in consumer-facing markets; inulin is frequently cited as a characteristic component in culinary references.
Grades- Buyer specifications commonly grade by root length and diameter, straightness, freedom from cracks/splits, surface blemishes, and pest damage.
- Commercial presentation may be differentiated as washed (soil removed) versus soil-on roots, depending on market and handling practices.
Packaging- Fresh roots commonly ship in cartons or crates; retail and foodservice formats may use film wrap or polyethylene bags to limit moisture loss and surface dehydration.
- Washed roots require packaging that reduces re-soiling and limits moisture loss while avoiding condensation-related decay.
Supply Chain
Value Chain- Harvest (often hand) -> top trimming -> soil removal (brushing/washing where required) -> grading/sorting by size/straightness -> packing -> chilled distribution -> wholesale/retail/foodservice
- For export: packing -> phytosanitary/compliance checks -> refrigerated transport -> destination distribution to ethnic retail, foodservice, or fresh-cut/meal-kit users (where applicable)
Demand Drivers- Core culinary demand linked to Japanese cuisine (gobo) and broader East Asian cooking, with steady year-round consumption in those markets.
- Niche international demand supported by diaspora retail and foodservice, plus consumer interest in fiber-forward vegetables.
Temperature- Moisture loss and wilting accelerate under low-humidity storage; a published burdock-root storage study found better weight-loss control under low-temperature storage using polyethylene bag packaging (e.g., 2°C in PE bags).
- Cold-chain continuity and clean handling are important because the product is soil-contact and often washed, which can increase surface moisture if not managed.
Atmosphere Control- Moisture-retentive packaging (e.g., polyethylene bags) is used in practice and studied experimentally to maintain high relative humidity and reduce dehydration during cold storage.
Shelf Life- A published storage study evaluated quality over a 30-day period under different temperature/packaging conditions, indicating that low-temperature, high-humidity packaging can help maintain marketability; actual commercial shelf life varies with trimming, hygiene, and distribution time.
Risks
Food Safety and Residues HighAs a soil-contact root vegetable, fresh burdock can face elevated compliance risk for pesticide residue limits and contaminants (including those associated with soil), and for microbiological quality when washing water hygiene is poor. Importing markets may apply strict testing and rejection policies aligned with Codex and national standards, creating high disruption risk for exporters without robust controls.Implement GAP and residue-monitoring programs, supplier traceability, validated wash-water sanitation, and pre-shipment testing aligned to destination-market MRL and contaminant expectations.
Quality Dehydration MediumFresh burdock roots can lose weight and develop wilting or surface quality defects when relative humidity is low during storage/transport, reducing usable yield and buyer acceptance.Use humidity-preserving packaging, minimize time at ambient conditions, and maintain refrigerated handling practices tailored to root-vegetable moisture retention.
Pests and Soil-Borne Damage MediumSoil-borne pests (including nematodes) and physical damage from harvesting can create downgrades and phytosanitary concerns, especially for washed products where defects become more visible.Use crop rotation and integrated pest management, adopt cultivation systems that reduce nematode pressure where relevant, and enforce careful harvest/handling to limit mechanical damage.
Trade Classification Opacity LowBurdock root is commonly reported within HS 070690, which aggregates multiple edible roots; this reduces transparency for market sizing and partner analysis specific to burdock, complicating sourcing and demand forecasting.Use contract-level product naming and specifications, item-level labeling, and buyer/supplier surveys alongside HS data to isolate burdock-specific flows.
Sustainability- Soil stewardship: deep tillage/trenching used to produce long, straight roots can increase soil disturbance and erosion risk if not managed.
- Water and wastewater management: washed-root supply chains require reliable clean water and appropriate wastewater handling.
- Packaging footprint: moisture-control packaging (films/bags) can increase single-use plastics unless recycling or alternative materials are used.
Labor & Social- Worker safety in harvest and wash/pack operations (manual handling, repetitive work, wet environments).
- Seasonal labor conditions and fair recruitment practices in labor-intensive root-vegetable supply chains.
FAQ
Under what HS code is fresh burdock root commonly reported in international trade data?Fresh burdock root is commonly captured under HS 070690 (“similar edible roots, fresh or chilled”), which is a basket category that also includes other roots such as radishes and salsify. This means HS-based totals are not strictly burdock-specific.
When is gobo (burdock root) typically at peak season in Japan?In Japan, gobo is described as peaking in the autumn and winter months, but it is eaten and available in stores throughout the year.
What storage and handling factors most affect fresh burdock root quality in trade?Preventing moisture loss is critical: low humidity can hasten deterioration, while low-temperature storage combined with moisture-retentive packaging (such as polyethylene bags) has been shown in published research to reduce weight loss during storage.