Classification
Product TypeRaw Material
Product FormFresh
Industry PositionPrimary Agricultural Product
Raw Material
Commodity GroupRoot vegetable (radish/white radish)
Scientific NameRaphanus sativus var. longipinnatus
PerishabilityHigh
Growing Conditions- Cool-season crop preference (quality declines under excessive heat)
- Well-drained soils to reduce root deformities and disease pressure
- Adequate soil moisture to prevent toughness and overly pungent flavor development
Main VarietiesLong white daikon types, Green-shouldered (Aokubi) types, Large specialty types (e.g., Sakurajima)
Consumption Forms- Fresh (raw, grated, sliced)
- Pickled
- Cooked (soups, stews, braises)
- Fermented preparations using radish/daikon pieces
Grading Factors- Firmness and crisp texture
- Root shape/straightness and size (length/diameter) aligned to buyer specs
- Freedom from surface defects, cracks, decay, and pithiness/sponginess
- Condition of tops (if bunched): freshness and minimal yellowing
Market
Fresh daikon is a large white radish (Raphanus sativus, longipinnatus group) traded mainly as a fresh/chilled vegetable, with cultivation and culinary demand strongly associated with East Asia. Public trade statistics generally do not isolate daikon from other radishes and similar edible roots, so global trade flows are commonly proxied using HS 070690 aggregates (which also include other roots such as salad beetroot and celeriac). Within that aggregate, European intra-regional trade hubs (notably the Netherlands) and large producers/exporters (including China) appear prominently, while major import demand includes Germany, the United States, the Republic of Korea, and Japan. Because daikon quality is highly sensitive to dehydration and temperature deviation near freezing, global marketability depends on rapid cooling and disciplined cold-chain handling from packhouse to retail.
Major Producing Countries- 중국Core cultivation and consumption region for daikon/white radish; trade statistics typically report radishes within broader HS aggregates rather than daikon-specific lines.
- 일본Daikon is a major traditional vegetable with many cultivars; production is largely oriented to domestic consumption.
- 대한민국Strong culinary demand (e.g., radish-based kimchi styles) and significant import activity for radishes/related roots in aggregate trade reporting.
Major Exporting Countries- 네덜란드Top exporter by value within HS 070690 (radishes and similar edible roots aggregate), reflecting EU trade and re-export hub roles.
- 중국Top exporter within HS 070690 aggregate; daikon shipments are typically embedded within broader radish/similar-roots customs lines.
- 이탈리아Major exporter within HS 070690 aggregate.
- 멕시코Notable exporter within HS 070690 aggregate, supporting North American fresh supply.
- 미국Exporter within HS 070690 aggregate, primarily to nearby markets (e.g., Canada).
Major Importing Countries- 독일Top importer by value within HS 070690 aggregate in 2023.
- 미국Top-tier importer within HS 070690 aggregate in 2023; demand includes mainstream retail and foodservice plus Asian cuisine channels.
- 대한민국Top-tier importer within HS 070690 aggregate in 2023; imports often complement domestic supply for radish/daikon uses.
- 프랑스Major importer within HS 070690 aggregate in 2023.
- 폴란드Major importer within HS 070690 aggregate in 2023.
- 일본Major importer within HS 070690 aggregate in 2023 alongside large domestic production.
Specification
Major VarietiesAokubi (green-shouldered) types, Sakurajima types, Shogoin types
Physical Attributes- Large, white, elongated root with crisp texture and mild peppery profile
- Quality preference for firm, smooth roots without flabbiness, pithiness, or sponginess
Grades- UNECE Standard FFV-43 (Radishes) quality-class structure is commonly referenced in radish trade; daikon specifications are typically set contractually (size/length, topping, defect tolerances) when not explicitly covered.
Packaging- Common commercial packs include bulk cartons in 5-, 10-, 20-, 30-, and 40-lb formats (market-dependent)
- Handled as bunched (with tops) or topped roots; topping generally extends storage potential under optimal conditions
Supply Chain
Value Chain- Harvest (often cool-season scheduling) -> trimming (bunched or topped) -> washing/cleaning -> rapid cooling (often top-icing in some channels) -> carton packing -> refrigerated transport -> wholesale/retail distribution
Demand Drivers- Strong culinary demand in East Asian cuisines (fresh, pickled, and cooked applications) supporting steady baseline consumption
- Diaspora-driven and specialty-produce demand expanding availability in North America and Europe
Temperature- Optimum storage/transport temperature is about 0°C (32°F) with rapid cooling emphasized to preserve crispness
- High humidity (typically ~95–100% RH) is important to reduce water loss and limpness
- Freeze injury risk exists when held too close to/below the freezing point (around -1°C), so tight set-point control is required
Atmosphere Control- Controlled atmosphere around 1–2% O2 and 2–3% CO2 is described as slightly beneficial for topped radish/daikon at 5–7°C, but temperatures above ~7°C can drive off-flavors, browning, and soft rot
Shelf Life- Bunched radishes are typically shorter-life than topped roots under refrigeration; topped radish can hold longer under optimal conditions
- Daikon-type radish may last roughly 3–4 months at ~0°C with high RH when handled and cooled correctly; shorter shelf life is common when humidity control is poor or retail handling is warm/dry
Risks
Cold Chain HighFresh daikon quality and salability depend on rapid cooling, near-0°C temperature control, and very high humidity; deviations can cause dehydration (limp roots), yellowing of tops (if bunched), freeze injury near the crop’s freezing point, and accelerated decay/soft rot, leading to shipment rejections and abrupt supply gaps for import markets.Specify bunched vs topped clearly; pre-cool promptly; maintain ~0°C with high RH through transit; avoid temperature spikes above ~7°C; monitor for freezing risk and condensation during cross-docking.
Shelf Life Limitation MediumShelf life varies sharply by form (bunched vs topped) and humidity management; dry retail environments and long distribution chains can rapidly convert marketable roots into pithy, spongy, or limp product.Use moisture-retentive packaging and humidity-managed storage; prioritize faster turn for bunched product; align transit mode and inventory days with product form.
Food Safety MediumAs a root vegetable, daikon is frequently washed and handled wet; inadequate sanitation control can raise decay risk and potential food safety concerns, increasing the likelihood of border holds or buyer rejections.Implement validated wash-water sanitation, hygiene controls, and traceability; use buyer-aligned food safety audits and documented cleaning protocols.
Regulatory Compliance LowDaikon is often embedded in broader customs and standards categories (e.g., aggregated HS lines and general radish standards), which can create documentation mismatches (naming, grade language, defect tolerances) if not specified precisely in contracts.Contract on clear product description (daikon/white radish), pack style, size/length ranges, topping requirements, and defect tolerances; align HS reporting approach with customs broker guidance.
Sustainability- Refrigeration energy and cold-chain emissions are material because best-quality handling targets near-0°C storage and transport
- Water use and wastewater management from washing/cleaning steps can be a compliance and cost factor in export packhouses
FAQ
What cold-chain conditions are typically required to ship fresh daikon successfully?Industry postharvest guidance commonly points to storage and transport near 0°C (about 32°F) with very high relative humidity (around 95–100%) and rapid cooling after harvest. These conditions help keep daikon crisp and slow quality loss, while avoiding freezing injury risk when temperatures drop too low.
Why do some shipments of daikon arrive limp or pithy even when they look intact?Daikon can lose moisture quickly if humidity is too low, which leads to limp texture and reduced eating quality. Age and suboptimal storage can also contribute to pithy or spongy texture, so humidity management and fast turnover are important, especially for bunched product.
Which trade code is commonly used as a proxy to analyze global daikon trade flows?Daikon is often not separated in public customs datasets, so analysts frequently use HS 070690 (radishes and similar edible roots, fresh or chilled) as a proxy. This is an aggregate line that can include other roots as well, so it should be interpreted as an indicator rather than a daikon-only measure.