Food · Fermented foods
Ukokkei-tamago (Silkie Chicken Egg)
うこっけい卵 (Ukokkei-tamago)
Also known as: Ukokkei-tamago, Silkie chicken egg, Black-bone chicken egg, Gallus gallus 'Silkie', 烏骨鶏卵
Looking for a Japanese supplier of Ukokkei-tamago (Silkie Chicken Egg)? Tell usAt a glance
| Category | Food |
|---|---|
| Japanese labeling name | うこっけい卵 全卵 生 |
| Common Japanese notations | うこっけい卵, 烏骨鶏卵, ウコッケイタマゴ |
| Origin | Silkie chicken egg (Gallus gallus 'Silkie' breed); the breed is the same as Chinese 'wuji' / black-bone chicken; principal modern Japanese silkie egg producers include various small-scale farms; ultra-premium retail positioning |
| Typical functions | Premium gift retail — single eggs sold at ¥300-¥800 per egg, Functional/health positioning |
| Regulatory status in Japan | Standard food labeling. **Egg is JAS-mandatory allergen.** Silkie breed disclosure. Not a regulated functional category — health claims require FFC if explicit. |
Ukokkei-tamago (うこっけい卵 / 烏骨鶏卵) is silkie chicken egg, ultra-premium specialty egg with retail pricing of ¥300-¥800 per egg. **Egg is JAS-mandatory allergen.**
Find OEM manufacturers
Browse Japanese OEM manufacturers that build products in this category. Filter by small lot, certifications, prefecture.
Classification
Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.
Product applications
Functions
Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Premium silkie egg gift retail
Ingredient profile
Silkie chicken (Gallus gallus 'Silkie' breed) egg.
OEM applications
Premium gift retail.
Functional/health positioning.
For OEM: ultra-premium gift retail OEM.
Regulatory classification in Japan
Standard food labeling. **Egg is JAS-mandatory allergen.** Silkie disclosure.
Regulatory classification in other markets
| EU | Niche premium specialty. Egg allergen mandatory. |
|---|---|
| USA | Niche premium specialty. Egg allergen mandatory. |
| China | Established Chinese wuji egg market. |
| Korea | Niche specialty positioning. |
Market reference formulations
Example finished products will be added after verification.
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.
Quick answers
- What is Ukokkei-tamago (Silkie Chicken Egg)?
- Ukokkei-tamago (うこっけい卵 / 烏骨鶏卵) is silkie chicken egg, ultra-premium specialty egg with retail pricing of ¥300-¥800 per egg. **Egg is JAS-mandatory allergen.**
- What is the regulatory status of Ukokkei-tamago (Silkie Chicken Egg) in Japan?
- Standard food labeling. **Egg is JAS-mandatory allergen.** Silkie breed disclosure. Not a regulated functional category — health claims require FFC if explicit.
- What products typically use Ukokkei-tamago (Silkie Chicken Egg)?
- Premium silkie egg gift retail
- Where does Ukokkei-tamago (Silkie Chicken Egg) come from?
- Silkie chicken egg (Gallus gallus 'Silkie' breed); the breed is the same as Chinese 'wuji' / black-bone chicken; principal modern Japanese silkie egg producers include various small-scale farms; ultra-premium retail positioning
- What is the INCI / JSCI labeling name for Ukokkei-tamago (Silkie Chicken Egg)?
- JSCI: うこっけい卵 全卵 生
Related ingredients — substitutes, pairings, processing chain
Often used with
Ingredients frequently paired in the same recipe or formulation.
Same category
Other ingredients in the same sub-category.
Explore related ingredients
Used in similar product applications
Other ingredients commonly used in the same finished-product families.
Abura-age (Fried Thin Tofu)
油揚げ
Seasonings & saucesFermented foods
Agemaki (Jackknife Clam)
あげまき
Seasonings & saucesFermented foods
Ago Dashi (Flying Fish Stock)
あごだし
Seasonings & saucesFermented foods
Ahiru-niku (Domestic Duck)
あひる 肉
Seasonings & saucesFermented foods
Aigamo-niku (Hybrid Duck)
かも あいがも 肉
Seasonings & saucesFermented foods
Sharing similar functions
Ingredients that overlap on functional benefit tags.
From the same origin
Other ingredients that share an origin classification.
Related guides & how-to
Related case studies
Regulatory guidance
Take the next step
Search the academic literature
Pre-filled queries for the major research databases. Opens in a new tab.
Official regulatory databases
External links to public Japanese / international regulatory authorities. We are not affiliated.
References
- 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — うこっけい卵 全卵 生
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.