Food · Fermented foods

Kanpyō (Dried Gourd Shavings)

かんぴょう (Kanpyō)

Also known as: Kanpyō, Dried gourd shavings, Lagenaria siceraria var. hispida (yū-gao), 干瓢, Yū-gao no shimomi

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At a glance

Category	Food
Japanese labeling name	かんぴょう
Common Japanese notations	かんぴょう, 干瓢, カンピョウ
Origin	Sun-dried strips of yū-gao (calabash gourd, Lagenaria siceraria var. hispida); principal modern production region Tochigi Prefecture (over 95% of domestic supply, around Kanuma and Mibu areas); imported supply also exists for cost-positioned applications
Typical functions	Sushi roll filling — central to maki-zushi (rolled sushi) and futo-maki (thick rolled sushi), Norimaki and chirashi-zushi component, Simmered (kanpyō-no-nimono) traditional Japanese dish, High-fiber functional positioning
Regulatory status in Japan	Standard agricultural product labeling. Tochigi Prefecture origin disclosure essential. Some kanpyō has been bleached with sulfur dioxide (hyōhakuzai) — disclosure of bleaching agents is required. Kanpyō is not a designated allergen.

Kanpyō (かんぴょう / 干瓢) is sun-dried strips of yū-gao calabash gourd (Lagenaria siceraria var. hispida), a defining Japanese sushi ingredient. The OEM positioning is precise and substantial: as the central filling of maki-zushi (rolled sushi) and futo-maki (thick rolled sushi) — almost universally found in conveyor sushi (kaiten-zushi), supermarket sushi, and traditional sushi restaurants. Tochigi Prefecture overwhelmingly dominates domestic production at over 95% (Kanuma and Mibu areas). The traditional production process — slicing the gourd into long ribbons and sun-drying — is unchanged for centuries. Some kanpyō is bleached with sulfur dioxide (hyōhakuzai) for whiter appearance — non-bleached / unbleached kanpyō (無漂白かんぴょう) commands a premium for natural-positioning retail.

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Classification

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Product applications

Functions

Flavoring486

Regulatory tags

Culinary ingredient512

Origin

Plant-derived319

Common OEM product categories

Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.

Dry kanpyō retail (in strips, requiring rehydration)
Pre-cooked vacuum-pack kanpyō for sushi production (convenience format)
Pre-seasoned kanpyō for instant sushi roll production

Ingredient profile

Kanpyō is sun-dried strips of yū-gao gourd (Lagenaria siceraria var. hispida — the gourd species cultivated for kanpyō rather than the bottle gourd cultivated for hyotan vessels). The gourd flesh is sliced into long ribbons (typically 6-8mm wide and 1-2mm thick) and sun-dried over several days. The result is dry, leathery strips that rehydrate to soft, slightly chewy texture when cooked.

Production: Tochigi Prefecture overwhelmingly dominates with over 95% of domestic supply. Kanuma and Mibu areas are the established production heartland. The harvest peak is summer (July-August), with kanpyō produced and dried for year-round retail.

Nutritionally, dry kanpyō per 100g provides 256 kcal, 6.3g protein, 0.2g fat, 67.8g carbohydrates with 30.1g dietary fiber (very high). Mineral content includes K 1800mg (very high), Ca 250mg, Mg 110mg, Fe 2.9mg per 100g. The high fiber content supports functional positioning.

OEM applications

Sushi roll filling — kanpyō-maki (kanpyō-only sushi roll), futo-maki (thick mixed roll), norimaki, chirashi-zushi component. Central to all forms of rolled and scattered sushi.

Simmered kanpyō (kanpyō-no-nimono) — sweet-savory simmered with soy sauce, sugar, and dashi. Traditional Japanese side dish.

Kanpyō-tied bundles — used to tie wrapped vegetables and meat in traditional cuisine.

High-fiber functional positioning — the very high dietary fiber content supports health-focused product positioning.

For OEM: dry kanpyō retail (Tochigi origin), pre-cooked vacuum-pack kanpyō for sushi production OEM, pre-seasoned kanpyō for instant sushi roll production, and unbleached premium kanpyō for natural-positioning retail.

Regulatory classification in Japan

Standard food labeling. Tochigi origin disclosure essential.

Sulfur dioxide bleaching disclosure: bleached kanpyō must declare 二酸化硫黄 (sulfur dioxide) in ingredients. Unbleached kanpyō (無漂白) is premium-positioned.

Kanpyō is not a designated allergen.

Regulatory classification in other markets

EU	Imported as Japanese specialty dried vegetable. Sulfur dioxide labeling rules apply.
USA	Imported under FDA standard food procedures. Sulfite labeling required if used. Established in Japanese-cuisine specialty channels.
China	Niche specialty positioning.
Korea	Niche specialty positioning.

Market reference formulations

Example finished products will be added after verification of Tochigi origin, bleached vs unbleached, and product format.

All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.

Alternative ingredients

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Quick answers

What is Kanpyō (Dried Gourd Shavings)?: Kanpyō (かんぴょう / 干瓢) is sun-dried strips of yū-gao calabash gourd (Lagenaria siceraria var. hispida), a defining Japanese sushi ingredient. The OEM positioning is precise and substantial: as the central filling of maki-zushi (rolled sushi) and futo-maki (thick rolled sushi) — almost universally found in conveyor sushi (kaiten-zushi), supermarket sushi, and traditional sushi restaurants. Tochigi Prefecture overwhelmingly dominates domestic production at over 95% (Kanuma and Mibu areas). The traditional production process — slicing the gourd into long ribbons and sun-drying — is unchanged for centuries. Some kanpyō is bleached with sulfur dioxide (hyōhakuzai) for whiter appearance — non-bleached / unbleached kanpyō (無漂白かんぴょう) commands a premium for natural-positioning retail.
What is the regulatory status of Kanpyō (Dried Gourd Shavings) in Japan?: Standard agricultural product labeling. Tochigi Prefecture origin disclosure essential. Some kanpyō has been bleached with sulfur dioxide (hyōhakuzai) — disclosure of bleaching agents is required. Kanpyō is not a designated allergen.
What products typically use Kanpyō (Dried Gourd Shavings)?: Dry kanpyō retail (in strips, requiring rehydration) / Pre-cooked vacuum-pack kanpyō for sushi production (convenience format) / Pre-seasoned kanpyō for instant sushi roll production
Where does Kanpyō (Dried Gourd Shavings) come from?: Sun-dried strips of yū-gao (calabash gourd, Lagenaria siceraria var. hispida); principal modern production region Tochigi Prefecture (over 95% of domestic supply, around Kanuma and Mibu areas); imported supply also exists for cost-positioned applications
What is the INCI / JSCI labeling name for Kanpyō (Dried Gourd Shavings)?: JSCI: かんぴょう

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References

文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — かんぴょう

Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.