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We Prototyped "Dried Nameko" Using Domestically Grown Nameko

Summary of this article
At Agriture, we prototyped dried nameko using domestic nameko. By carefully drying domestic nameko at low temperature and finishing it additive-free and without coloring, the umami components are concentrated and shelf life is improved. Even after rehydration, the sliminess and texture distinctive of nameko remain, and it can be used for diverse product development such as soups, retort foods, dashi raw material, and health foods.

Namekois a mushroom characterized by a distinctive sliminess and rich umami, widely enjoyed in miso soup, dressed dishes, and more. Drying concentrates the umami components and improves shelf life, so it can be used in a form suited to commercial and processing uses. A feature is that the texture and flavor of nameko remain firmly even after rehydration.

乾燥したなめこ

In this prototype, we carefully dried domestic nameko as the raw material at low temperature and finished it additive-free and without coloring. It can be used for diverse product development such as soups, retort foods, dashi raw material, and health foods.

At Agriture, we conduct OEM development and provide commercial raw materials centered on domestic mushrooms. If you are considering product-making that makes the most of natural umami, please consult us.

Dried turnip can be expected to attract commercial interest as a material for soups, simmered dishes, and pickles, and if processed into powder, it can also be used as a raw material for baby food and nursing-care food. Turnip's characteristic gentle flavor is a material well compatible with children's foods and products for the elderly.

Features of dried nameko and points to focus on regarding its components

Nameko (Pholiota microspora) is a mushroom of the Strophariaceae family, and its greatest feature is having a slimy component (viscous polysaccharides). Drying processing removes moisture and concentrates the umami, and the sliminess is restored when rehydrated in water. Dietary fiber, vitamin D, and niacin are points to focus on in terms of components, but because the content varies with cultivation conditions, we recommend confirming at the prototype stage. Nameko is familiar in Japanese miso soup and dressed dishes, but making it into a dried product widens shelf life and the range of uses. For detailed specifications,the product page for dried nameko.

Choosing between fresh nameko, boiled, and dried

Nameko differs in how the sliminess comes out and in its uses by processing form. Use the following comparison table as a guide for choices at the development stage (figures vary with cultivation conditions and processing methods).

ItemFresh namekoBoiled (pouch, canned)Dried nameko
Main useMiso soup, dressed dishes, udonMiso soup, hot potDashi raw material, soup ingredient, or powdered into seasoning
Storage period guideRefrigerated 3-5 daysRoom temperature 6-6 months (from the shipping date)About 6 months from the shipping date
Restoration of sliminessAs isAs isSliminess restored by rehydration
Concentration of umami★★★ (umami concentrated by drying)
Presence of additivesNoneCitric acid, etc. (depends on the product)Not used (Agriture specification)

A distinctive point of dried nameko is that the slimy component is restored when rehydrated in water. This sliminess contributes to the mouthfeel of miso soup and the thickness of soups, and even the dried product gives a texture close to fresh nameko.

Variations of processing form

Agriture handles whole drying, cut drying, and powder processing. Whole drying suits soup and miso soup ingredients that make the most of the appearance, while powder suits dashi raw material and seasoning blends.

You can check the details of turnip's powder form on the
Because nameko's slimy component is water-soluble, it is restored when rehydrated in water even after drying. The distinctive thickness when added to miso soup or soup is still present in the dried product, making it an ingredient easy to respond to consultations like wanting to add slimy nameko to instant miso soup. Since it dissolves in when made into powder, we recommend cut or whole drying if you want to make the most of the slimy texture.

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Dried nameko suits product development centered on the mouthfeel from the slimy component and the concentration of umami. Here we introduce representative ideas by application.

Miso soup and instant soup

The most representative use of dried nameko is as a miso soup ingredient. Adding dried nameko to freeze-dried miso soup or instant miso soup restores the sliminess when hot water is poured, finishing as an authentic nameko soup.

  • Ingredient for instant miso soup and freeze-dried miso soup
  • Blend ingredient for cup soups and soup kits
  • Ingredient for hot-pot sets (mushroom mix)

Dashi and seasonings

Powder-processed dried nameko is used as a raw material for mushroom-type dashi and in seasoning blends, allowing the design of natural dashi with layered umami.The nutritional value and benefits of vegetable powder.

  • Blend raw material for natural dashi packs
  • Mushroom-flavored powdered seasonings and furikake
  • Umami-reinforcing ingredient for reduced-salt dashi

Dressed dishes, tsukudani, and prepared foods

There is also a way of using dried nameko rehydrated in water as an ingredient for dressed dishes and tsukudani. Being able to use nameko of stable quality year-round in seasons and regions where fresh nameko is hard to obtain is a commercial advantage.List of dried-vegetable productsYou can also check other dried mushroom products at .

  • Commercial ingredient for nameko grated-daikon dressed dishes
  • Raw material for mushroom tsukudani and nametake-style products
  • Mushroom ingredient for prepared foods and bento

Health foods and functional foods

We also receive consultations for use as a raw material for health foods focused on nameko's slimy component and dietary fiber. In powder form, it can be filled into tablets, granules, and capsules.Vegetable powder list pageAn ingredient for oden and pot-au-feu

  • Blend raw material for mushroom-type supplements
  • Health food ingredient with dietary fiber blended in
  • Wellness products that appeal to the slimy component

A base raw material for vegetable bouillon and dashi powder

Here we summarize representative specifications for Agriture's commercial lots of dried nameko. A processing sequence that achieves both retention of the slimy component and concentration of umami is a feature.Product specifications for dried namekoplease refer to together with.

A vegetable base powder for baby food

ItemAgriture's manufacturing specs and OEM support
Raw materialsDomestic nameko (contract cultivation)
Processing stepWashing → cutting (if desired) → low-temperature hot-air drying (product-temperature control) → powder processing (if desired) → filling
AdditivesNo colorants or antioxidants used
Storage periodA guide of about 6 months from the shipping date (varies by storage conditions)
Processing shapeFrom 1 kg of raw material
Main production lotSlice / dice cut / powder
Not usedMinimum prototyping lot

Customization support

  • Blending: handles set design with other dried mushroom products, wakame, and tofu
  • Packaging: handling of 500 g bags, 1 kg bags, 5 kg commercial bags, and individual packaging
  • Shape: slice (for pickles), dice cut (for ingredients), powder
  • Growing region: multiple domestic contract-cultivation routes prepared

Blending: pre-blend support with other dried vegetables

Because the degree to which the sliminess is restored and the texture change with cut size and drying conditions for dried nameko, we recommend a process of confirming the target finish at the prototype stage.

  1. dried vegetable / powder OEM inquiry formContact us with the prototyping content, application, and desired form via
  2. Share the envisioned product and target texture in a concept hearing (Zoom or email)
  3. Ship a prototype sample per 1 kg of raw material (usually 2-3 weeks). Comparison prototyping with different cut sizes is possible
  4. Contact us with the prototyping content, desired shape, and assumed application via
  5. Main manufacturing (from 10 kg of raw material). Issuing necessary documents and lot-by-lot quality inspection supported

If you tell us the application, such as for miso soup ingredients, for dashi-pack raw material, or wanting to make it into powder and blend it into seasoning, we will propose the optimal processing conditions.

Product catalog showing the items we handle

Flexible support from small lots to large lots

乾燥野菜
  • Sold in small lots from 100g
  • Handling heirloom vegetables from across Japan
  • Dried fruits and herbs also supported

Frequently asked questions

Q. Does the sliminess of dried nameko come back?

A. When rehydrated in water, the slimy component is restored, giving a mouthfeel close to fresh nameko. The thickness when added to miso soup or soup is still present in the dried product. Since the slimy texture is harder to feel when made into powder, cut or whole drying is recommended if you want to make the most of the mouthfeel.

Q. Can it be used as an ingredient for instant miso soup?

A. Cut dried nameko has a prototyping track record as an ingredient for instant miso soup. When hot water is poured, it rehydrates in a short time and the sliminess emerges, finishing as an authentic nameko soup.

Q. Can it be blended with other mushroom or vegetable powders?

A. Yes. With other dried mushroom products such as enoki, shiitake, and maitake, and.Vegetable powder list pagePlease check the items on

Q. Can you issue a certificate of raw material origin and an analysis table?

A. We can issue both a certificate of raw-material origin showing it is a domestic raw material and a microbial test report.

Q. Can it be blended with other dried vegetables?

A. Prototyping is possible from 1 kg on a raw-material basis. You can compare whole, cut, and powder forms at the same time, and main production is from 10 kg of raw material as a guide.

Related pages and further reading

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Author of this article

小島 怜のアバター Rei Kojima Agriture CEO

CEO of Agriture Inc. Runs a contract processing and OEM business centered on dried vegetables and dried fruit. In partnership with farmers within Kyoto Prefecture, he pursues “sustainable food distribution” through the use of non-standard vegetables and support for sixth-industrialization. Drawing on extensive hands-on experience at manufacturing sites, he provides support that walks alongside every business considering OEM—from product planning and prototyping to small-lot handling, packaging design, and sales-channel development.

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