Food · Fermented foods

Buta-jinzō (Pork Kidney)

ぶた 副生物 じん臓 (Buta-jinzō)

Also known as: Buta-jinzō, Pork kidney, 豚腎臓, 豚マメ

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At a glance

CategoryFood
Japanese labeling nameぶた 副生物 じん臓
Common Japanese notations豚腎臓, 豚マメ, ブタジンゾウ
OriginPork kidney offal byproduct from pig farming
Typical functionsYakiniku and motsu-nabe ingredient, Foodservice offal specialty
Regulatory status in JapanStandard food labeling. Imported origin disclosure if applicable. Not a designated allergen.

Buta-jinzō (豚腎臓) is pork kidney offal, used for yakiniku and motsu-nabe foodservice applications.

Classification

Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.

Used in (typical product categories)

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

  • Frozen pork kidney retail

What it is

Pork kidney offal.

Typical uses in Japanese products

Yakiniku.

Motsu-nabe.

For OEM: foodservice supply.

Regulatory classification in Japan

Standard food labeling. Origin disclosure. Not a designated allergen.

Regulatory classification in other markets

EUEstablished offal market.
USANiche specialty positioning.
ChinaMajor Chinese offal market.
KoreaEstablished Korean offal tradition.

Example products

Example finished products will be added after verification.

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References

  1. MEXT Standard Tables of Food Composition — ぶた 副生物 じん臓

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

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