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.

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Classification

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Common OEM product categories

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

  • Frozen pork kidney retail

Ingredient profile

Pork kidney offal.

OEM applications

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.

Market reference formulations

Example finished products will be added after verification.

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Quick answers

What is Buta-jinzō (Pork Kidney)?
Buta-jinzō (豚腎臓) is pork kidney offal, used for yakiniku and motsu-nabe foodservice applications.
What is the regulatory status of Buta-jinzō (Pork Kidney) in Japan?
Standard food labeling. Imported origin disclosure if applicable. Not a designated allergen.
What products typically use Buta-jinzō (Pork Kidney)?
Frozen pork kidney retail
Where does Buta-jinzō (Pork Kidney) come from?
Pork kidney offal byproduct from pig farming
What is the INCI / JSCI labeling name for Buta-jinzō (Pork Kidney)?
JSCI: ぶた 副生物 じん臓

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References

  1. 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) 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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