Food
Daikon Radish
大根 (Daikon)
Also known as: Japanese Radish, Raphanus sativus var. longipinnatus
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| Category | Food |
|---|---|
| Origin | Vegetable (Raphanus sativus var. longipinnatus, primarily domestic Japanese cultivation) |
| Typical functions | Fresh consumption (grated, sliced, pickled), Processing substrate for takuan, bettarazuke and other pickles, Functional ingredient source (isothiocyanates, digestive enzymes) |
| Regulatory status in Japan | Permitted as a food and food ingredient under the Food Sanitation Act. No category-specific restrictions for ordinary culinary use. |
Daikon is the most-consumed vegetable in Japan by volume, with the Aokubi cultivar dominating contemporary supply. For OEM buyers, daikon is the substrate for the takuan and bettarazuke pickle categories, the volume input for kiriboshi-daikon (sun-dried daikon strips) processing, and increasingly an ingredient claim in functional food and supplement formulations citing isothiocyanate and digestive enzyme content.
Classification
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Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Fresh-cut vegetable OEM
- Tsukemono (pickled vegetable) OEM
- Dried daikon (kiriboshi-daikon) processing
- Functional supplement raw material
Ingredient profile
Daikon (Raphanus sativus var. longipinnatus) is a large white root vegetable in the Brassicaceae family. The most common Japanese commercial cultivar is Aokubi-daikon (青首大根), characterised by a pale green shoulder and white lower body. Other cultivars include Sakurajima (sweet, very large), Miyashige, and traditional regional varieties used for specific pickle products.
The root contains glucosinolates that hydrolyse to isothiocyanates (notably 4-MTBITC) under enzymatic action when the cell wall is disrupted by grating or pickling. Daikon also contains amylase, protease, and lipase enzymes — the basis for the traditional Japanese understanding of daikon as a digestive aid eaten alongside fried foods.
OEM applications
In Japanese food OEM, daikon appears as fresh-cut input for pre-packaged salad and meal-kit products; as the substrate for takuan, bettarazuke, fukujinzuke and other pickle categories; as kiriboshi-daikon (sun-dried) for instant miso soup and prepared-food mixes; and as a juice / extract input for some functional beverages and supplements.
Regional differentiation matters commercially. Sakurajima daikon (Kagoshima) carries premium positioning for confectionery and high-end pickle SKUs. Miyashige daikon is the volume cultivar for industrial takuan. Aokubi is the supermarket-volume input for fresh-cut and standard pickle production.
Regulatory classification in Japan
Daikon as fresh vegetable and as processed pickle is subject to the Food Sanitation Act including residual pesticide standards and additive regulation for any preservatives, colorants, or sweeteners added during processing.
Functional or health claims linking daikon to digestive function require Foods with Functional Claims (機能性表示食品) notification with supporting evidence; ordinary food labelling cannot make therapeutic claims.
Regulatory classification in other markets
| Global | Fresh and processed daikon is generally allowed in most destination markets subject to plant-quarantine requirements for fresh shipments. Permitted as food ingredient in EU, UK, US, China, Korea, and ASEAN markets. |
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Market reference formulations
Example finished products will be added after verification of cultivar, prefecture of origin, and processing method (fresh / pickled / dried) per the editorial policy.
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Quick answers
- What is Daikon Radish?
- Daikon is the most-consumed vegetable in Japan by volume, with the Aokubi cultivar dominating contemporary supply. For OEM buyers, daikon is the substrate for the takuan and bettarazuke pickle categories, the volume input for kiriboshi-daikon (sun-dried daikon strips) processing, and increasingly an ingredient claim in functional food and supplement formulations citing isothiocyanate and digestive enzyme content.
- What is the regulatory status of Daikon Radish in Japan?
- Permitted as a food and food ingredient under the Food Sanitation Act. No category-specific restrictions for ordinary culinary use.
- What products typically use Daikon Radish?
- Fresh-cut vegetable OEM / Tsukemono (pickled vegetable) OEM / Dried daikon (kiriboshi-daikon) processing / Functional supplement raw material
- Where does Daikon Radish come from?
- Vegetable (Raphanus sativus var. longipinnatus, primarily domestic Japanese cultivation)
Manufacturers mentioning this ingredient
Japanese OEM factories whose published profile references this ingredient. Auto-detected from manufacturer descriptions; verify capabilities directly.
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References
Last updated: 2026-05-30. Ingredient entries are reviewed at least annually against current regulatory listings.