Food · Fermented foods

Ushi-jinzō (Beef Kidney)

牛 副生物 じん臓 (Ushi-jinzō)

Also known as: Ushi-jinzō, Beef kidney, 牛じん臓, 牛マメ, 牛 腎臓

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At a glance

CategoryFood
Japanese labeling name牛 副生物 じん臓
Common Japanese notations牛じん臓, 牛 腎臓, 牛マメ
OriginBeef kidney offal
Typical functionsYakiniku 'mame' (kidney specialty), Motsu-yaki and offal-foodservice
Regulatory status in JapanStandard food labeling. Origin disclosure. Not a designated allergen.

Ushi-jinzō (牛じん臓) is beef kidney — yakiniku 'mame' specialty and motsu-yaki ingredient.

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 beef kidney retail (specialty)

What it is

Beef kidney offal.

Typical uses in Japanese products

Yakiniku mame.

Motsu-yaki.

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 offal.
ChinaMajor Chinese offal cuisine.
KoreaEstablished Korean offal tradition.

Example products

Example finished products will be added after verification.

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Related ingredients

References

  1. MEXT Standard Tables of Food Composition — 牛 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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