Supplements · Enzyme actives
Green Papaya — Fermented
青パパイヤ発酵物 (Aopapaiya hakkōbutsu)
Also known as: Fermented Papaya Preparation (FPP), Carica Papaya Fermented Extract
At a glance
| Category | Supplements |
|---|---|
| Japanese labeling name | パパイア果実発酵物 |
| Common Japanese notations | 青パパイヤ発酵物, 発酵パパイヤ, パパイア発酵食品 |
| Origin | Plant-derived (unripe Carica papaya), processed by microbial fermentation |
| Typical functions | Antioxidant support, Immune support, Digestive / gut health |
| Regulatory status in Japan | Food ingredient under the Food Sanitation Act. Fermented forms are food-grade; raw papain is regulated as a pharmaceutical (医薬品) and is not permitted in foods or supplements. |
Green papaya — the unripe fruit of Carica papaya — is rich in latex enzymes including papain, chymopapain, and carpain. In Japan, raw papain is regulated as a pharmaceutical (医薬品) and cannot be used directly in foods or supplements. Japanese ingredient companies therefore process unripe papaya through controlled microbial fermentation to produce a food-grade material suitable for use in functional supplements and beauty drinks.
Classification
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Product applications
Functions
Regulatory tags
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Sachet (granule) supplements
- Capsules and tablets
- Functional beverages and beauty drinks
What it is
Fermented green papaya is produced by inoculating unripe Carica papaya fruit (whole fruit or pulp) with selected yeasts and other food-grade microorganisms, then carrying out a controlled solid-state or liquid fermentation. The fermentation transforms the raw enzyme load into a stable, food-grade preparation that can be standardized, dried, and granulated.
On Japanese product labels the material is typically declared as パパイア果実発酵物 or 青パパイヤ発酵物. Finished preparations are commonly supplied as granular sachets, capsules, tablets, or as a powder for inclusion in beverages.
Typical uses in Japanese products
Fermented green papaya is used in granule-sachet supplements, capsules, tablets, and functional beverages including beauty drinks. Marketing positioning typically emphasises antioxidant support, daily wellness, and digestive comfort.
Suppliers and brand preparations are not interchangeable. Different fermentation substrates, microbial cultures, fermentation duration, and downstream processing produce materials with meaningfully different composition and standardisation. Formulators should evaluate each supplier's technical specification individually.
Regulatory classification in Japan
Food ingredient regulated under the Food Sanitation Act. Fermented forms are accepted as food-grade.
Raw papain (the isolated enzyme from unripe papaya latex) is designated as a pharmaceutical (医薬品) in Japan and cannot be used as a food or supplement ingredient. Only fermentation-processed preparations that no longer present raw enzyme activity are eligible for food and supplement use.
Specific fermented green papaya preparations may be eligible for Foods with Function Claims (機能性表示食品 / FFC) notification where the preparation has the supporting evidence required by the Consumer Affairs Agency. Eligibility is preparation-specific.
Regulatory classification in other markets
| EU | Concentrated fermented papaya extracts may fall within the scope of the Novel Food Regulation (EU) 2015/2283. Suppliers should confirm the regulatory status of their specific preparation prior to placing on the EU market. |
|---|---|
| USA | Fermented papaya derivatives are commonly used in dietary supplements under DSHEA. GRAS notifications exist for selected fermented preparations; raw papain enzyme is also marketed as a supplement and food enzyme ingredient. |
| China | Use as a supplement ingredient depends on whether the specific preparation is classifiable as a conventional food, a new food raw material, or a registered health-food (保健食品) ingredient. Confirmation against the relevant NHC / SAMR lists is required prior to import. |
| Korea | May be used in general foods where the preparation is classifiable as a food ingredient. Functional claims require evaluation under the MFDS Health Functional Food (건강기능식품) framework. |
Example products
Example finished products will be added after each product's current full ingredient list and trademark attribution have been verified against the supplier listing.
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.
Related ingredients
References
- Japan MHLW — designation of papain as a pharmaceutical (医薬品) ingredient
- Consumer Affairs Agency — Foods with Function Claims (機能性表示食品) database
- Sanwa International product information — Bio-Normalizer
Last updated: 2026-04-25. Ingredient entries are reviewed at least annually against current regulatory listings.