Food · Fermented foods

Takenokoimo (Japanese Bamboo-Shoot Taro)

たけのこいも (Takenokoimo)

Also known as: Takenokoimo, Bamboo-shoot taro, Colocasia esculenta var. antiquorum 'Takenoko', 京いも, 竹の子芋

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At a glance

Category	Food
Japanese labeling name	たけのこいも
Common Japanese notations	たけのこいも, 竹の子芋, 京いも, タケノコイモ
Origin	Bamboo-shoot taro (Colocasia esculenta variety, named 'Takenoko' for the bamboo-shoot-shaped corm); principal modern production region Miyazaki Prefecture (the dominant production region — known there as Kyo-imo); also some production in Kochi, Kumamoto
Typical functions	Premium kaiseki and traditional Japanese cuisine ingredient (notable for its bamboo-shoot shape allowing distinctive presentation), Boiled, simmered, and tempura applications, Premium gift retail (Miyazaki Kyo-imo seasonal gift), Traditional Kyoto cuisine reference (despite the 'Kyo' name, modern production is Miyazaki-led)
Regulatory status in Japan	Standard agricultural product labeling. Miyazaki Kyo-imo regional brand naming is established. Total domestic volume is small — premium specialty.

Takenokoimo (たけのこいも) — bamboo-shoot taro — is a distinctive specialty taro variety named for its elongated, tapered, bamboo-shoot-shaped corm (typically 30-50cm long, 6-10cm at the wide end). Despite the common alternative name 'Kyo-imo' (京いも, Kyoto yam) reflecting historical association with Kyoto kaiseki cuisine, modern production is concentrated in Miyazaki Prefecture (the dominant region — Miyazaki accounts for the majority of domestic production), with secondary supply from Kochi and Kumamoto. The OEM positioning is exclusively premium specialty: as a premium kaiseki and traditional Japanese cuisine ingredient (the distinctive shape allows striking visual presentation), as a regional gift retail category (Miyazaki Kyo-imo seasonal gift positioning), and as a foodservice convenience-format input (pre-boiled vacuum-pack and frozen formats for higher-end ryotei and ryokan kitchens).

Classification

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Product applications

Functions

Flavoring

Regulatory tags

Culinary ingredient

Origin

Plant-derived

Used in (typical product categories)

Finished-product categories that commonly include this ingredient in Japanese-market formulations.

Fresh whole takenokoimo retail (Miyazaki Kyo-imo branded)
Pre-boiled vacuum-pack takenokoimo (foodservice convenience format)
Frozen takenokoimo (peeled and cut)

What it is

Takenokoimo is a variety of Colocasia esculenta (sato-imo / taro family) with a distinctive elongated, tapered corm shape resembling a bamboo shoot. The name 'takenoko' (bamboo shoot) refers to the shape, not any botanical relation to bamboo. The common alternative name 'Kyo-imo' (京いも, Kyoto yam) reflects historical use in Kyoto kaiseki cuisine, though modern production is concentrated in Miyazaki Prefecture — a name retention rooted in cultural rather than geographic association.

Modern production: Miyazaki Prefecture dominates (the majority of domestic Kyo-imo is Miyazaki-grown), with secondary production in Kochi and Kumamoto. Kyoto-grown takenokoimo exists but at very small volume. Total annual domestic production is small (in the hundreds of tonnes range).

Nutritionally, raw takenokoimo per 100g provides approximately 97 kcal, 2.5g protein, 0.4g fat, 22.5g carbohydrates with 2.8g dietary fiber. Mineral content includes K 800mg (notably very high), Ca 39mg, Mg 35mg, P 70mg per 100g.

The flesh is white-cream colored, with a sticky-mucilaginous texture similar to other taro varieties when boiled. The distinctive value is the elongated shape allowing presentation in cylindrical or fan-cut forms in kaiseki cuisine.

Typical uses in Japanese products

Premium kaiseki and traditional Japanese cuisine — boiled (nimono), simmered with dashi, fried tempura, fukume-ni (deeply-flavored simmered vegetables), and as a striking visual element in seasonal multi-course meals.

Premium gift retail — Miyazaki Kyo-imo is positioned as a regional autumn-winter seasonal gift specialty.

Foodservice convenience format — pre-boiled vacuum-pack and frozen formats supply higher-end ryotei, ryokan, and traditional Japanese restaurants.

Regional Miyazaki specialty — established in Miyazaki Prefecture's regional cuisine identity.

For OEM: fresh takenokoimo retail packs (Miyazaki Kyo-imo branded), pre-boiled vacuum-pack convenience-format for foodservice, frozen takenokoimo for foodservice and processed-food applications, and premium kaiseki gift retail formulations.

Regulatory classification in Japan

Standard agricultural product labeling. Miyazaki Kyo-imo regional brand name is established but not formally GI-registered.

Origin disclosure: Miyazaki vs Kochi vs Kumamoto vs Kyoto — verifiable origin documentation important for premium positioning.

Takenokoimo is not a designated allergen.

Note that taro family corms contain calcium oxalate that can cause itching when handled raw — standard food preparation (peeling with gloves, boiling) eliminates this issue.

Regulatory classification in other markets

EU	Imported as taro. Limited established import market for this specific variety.
USA	Imported under FDA standard food procedures. Niche specialty in Japanese-cuisine channels.
China	Imported under GACC rules. Niche specialty positioning.
Korea	Niche specialty positioning.

Example products

Example finished products will be added after verification of cultivation region (Miyazaki / Kochi / Kumamoto / Kyoto) and target 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.

Related ingredients

Used in similar product applications

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Sharing similar functions

Ingredients that overlap on functional benefit tags.

From the same origin

Other ingredients that share an origin classification.

FAQ for OEM buyers

Q. Why is takenokoimo called 'Kyo-imo' (Kyoto yam) when most modern production is in Miyazaki?

The 'Kyo-imo' name is a historical artifact reflecting the variety's traditional importance in Kyoto kaiseki and shojin-ryori cuisine, where the distinctive bamboo-shoot shape was valued for visual presentation. As cultivation expanded in the 20th century, Miyazaki Prefecture emerged as the dominant production region due to favorable soil and climate conditions, while Kyoto's own production declined. The name was retained for cultural and culinary marketing reasons. For OEM positioning: clear origin disclosure (Miyazaki vs Kochi vs Kumamoto vs Kyoto) is appropriate; using 'Kyo-imo' as a variety name is acceptable, but 'Kyoto-grown' or '京都産' should only be used for genuinely Kyoto-cultivated product. Mislabeling Miyazaki-grown product as 'Kyoto produce' would be a consumer protection issue.

Sources · Last reviewed: 2026-04-28

Editorial — Japan Kyo-imo cultivation history reference
Miyazaki Prefecture Kyo-imo production statistics

References

MEXT Standard Tables of Food Composition — たけのこいも球茎生/水煮
Miyazaki Prefecture Kyo-imo regional production reference

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