Food · Fermented foods

Rice Starch (Kome-denpun)

米でん粉 (Kome-denpun)

Also known as: Kome-denpun, Rice starch, 米澱粉, Komedenpun

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At a glance

CategoryFood
Japanese labeling name米でん粉
Common Japanese notations米でん粉, 米澱粉, コメデンプン
OriginRice starch (Oryza sativa) extracted from broken-rice and rice byproducts via alkali process or enzymatic process; very fine granule size (3-8 μm — among smallest food starches); naturally gluten-free; allergen-friendly profile (no major-8 allergen)
Typical functionsHypoallergenic infant food and clinical-nutrition starch — distinctive allergen-friendly profile, Cosmetics dusting powder (very fine granule provides silky touch), Specialty pharmaceutical excipient, Industrial sauce/soup thickener (gluten-free formulation)
Regulatory status in JapanStandard food labeling. **Naturally gluten-free** (no JAS-mandatory allergens). Suitable for hypoallergenic / clinical nutrition formulations.

Rice starch (米でん粉, kome-denpun) is starch extracted from rice. Distinctive very fine granule (3-8 μm) gives silky texture. **Naturally gluten-free and allergen-friendly** — suitable for hypoallergenic infant food and clinical-nutrition formulations.

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.

  • Industrial rice starch (B2B starch ingredient — gluten-free, allergen-friendly)
  • Hypoallergenic infant food OEM raw material
  • Cosmetic-grade rice starch (separate cosmetic GMP)

What it is

Refined rice starch (Oryza sativa).

Typical uses in Japanese products

Hypoallergenic infant food and clinical nutrition.

Cosmetics dusting powder (silky fine granule).

Pharmaceutical excipient.

Gluten-free industrial thickener.

For OEM: hypoallergenic baby-food OEM, GF formulation, cosmetic-grade.

Regulatory classification in Japan

Standard food labeling. **Naturally gluten-free, no JAS-mandatory allergens.**

Cosmetic-grade requires separate cosmetic GMP and INCI naming.

Regulatory classification in other markets

EUNaturally gluten-free; can carry 'gluten-free' claim.
USANaturally gluten-free FDA labeling permitted; pharmaceutical excipient grade NF.
ChinaStandard food ingredient.
KoreaStandard food ingredient.

Example products

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.

Related ingredients

References

  1. MEXT Standard Tables of Food Composition — 米でん粉

Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.

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