Food · Sweeteners
Rā-yu (Chili Oil)
ラー油 (Rā-yu)
Also known as: Rā-yu, Chili oil, Layu, ラー油, 辣油
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| Category | Food |
|---|---|
| Japanese labeling name | ラー油 |
| Common Japanese notations | ラー油, 辣油 |
| Origin | Chili oil — Chinese-influenced oil infused with chili and aromatics; principal Japanese variants from S&B Foods, House Foods; tabe-ru-ra-yu (eating chili oil with crunchy bits) was a major retail innovation post-2009 (Momoya Tabe-ru-Ra-yu) |
| Typical functions | Gyoza dipping sauce ingredient (mixed with vinegar and soy sauce), Ramen and tantanmen accent, Tabe-ru-ra-yu — crunchy eating chili oil retail (Momoya pioneered) |
| Regulatory status in Japan | Standard food labeling. **Sesame allergen disclosure** (most rā-yu uses sesame oil base). |
Rā-yu (ラー油 / 辣油) is Chinese-influenced chili oil. Tabe-ru-ra-yu (eating chili oil with crunchy aromatics) is a major retail innovation since Momoya's 2009 product. Sesame allergen disclosure typical.
Classification
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Product applications
Functions
Regulatory tags
Origin
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Bottled rā-yu retail
- Tabe-ru-ra-yu crunchy retail
What it is
Chili-and-aromatic-infused sesame oil base.
Typical uses in Japanese products
Gyoza dipping.
Ramen accent.
Tabe-ru-ra-yu crunchy retail.
For OEM: bottled retail OEM, tabe-ru-ra-yu crunchy production.
Regulatory classification in Japan
Standard food labeling. Sesame allergen disclosure.
Regulatory classification in other markets
| EU | Sesame mandatory allergen. |
|---|---|
| USA | Sesame mandatory allergen (2023+). |
| China | Major Chinese chili oil tradition. |
| Korea | Established trade. |
Example products
Example finished products will be added after verification.
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Other ingredients commonly used in the same finished-product families.
Sharing similar functions
Ingredients that overlap on functional benefit tags.
From the same origin
Other ingredients that share an origin classification.
References
- MEXT Standard Tables of Food Composition — ラー油
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.