Rice Peptide Powder

Rice Peptide Powder is an enzymatically hydrolyzed plant protein ingredient produced from rice protein derived from Oryza sativa L. Controlled hydrolysis converts larger protein molecules into shorter peptide fractions, creating a different molecular-weight profile and aqueous behavior from conventional rice protein powder. The ingredient is supplied as a dry peptide powder for nutrition and formulation applications.

Commercial grades are differentiated by protein content, peptide content, molecular-weight distribution, and solution performance. A primary specification provides ≥85% protein and ≥75% peptide, while higher-concentration material can reach ≥90% protein and ≥80% peptide on a dry basis. Low-molecular-weight and clear-soluble grades provide additional options for more specialized formulation requirements.

Ingredient Profile & Common Uses

Rice peptide is produced from the protein fraction of Oryza sativa grain rather than from whole rice flour. Native rice protein is dominated by glutelin, together with albumin, globulin, and prolamin fractions. Enzymatic hydrolysis breaks these larger structures into shorter peptide chains, distinguishing the ingredient from standard rice protein concentrate, isolate, and untreated rice-derived powders.

Commercial selection is based on more than total protein concentration. Standard concentrated grades, higher-peptide grades, low-molecular-weight materials, and clear-soluble formats serve different procurement and formulation needs. Peptide concentration indicates the extent of hydrolyzed protein material, while molecular-weight distribution helps distinguish conventional hydrolysates from oligopeptide-oriented products.

Formulators use rice peptides where greater aqueous functionality is preferred over intact plant protein. Hydrolysis can improve wetting and solubility, while peptide size and processing conditions affect clarity, viscosity, sedimentation, and bitterness. Clear-soluble grades are particularly relevant to beverage development, while conventional soluble grades are used across powdered nutrition, supplements, and protein-fortified food systems.

Application Areas

Functional & Clear Protein Beverages

Clear-soluble grades can be evaluated for protein waters, RTD nutrition drinks, and powdered beverages where rapid dissolution, low sedimentation, solution clarity, and controlled sensory impact are important.

Sports & Active Nutrition

Concentrated peptide grades provide a plant-derived protein ingredient for recovery powders, hydration mixes, and performance-nutrition blends requiring hydrolyzed rather than intact protein.

Powdered Nutrition

Rice peptide can be incorporated into meal-replacement powders, nutritional blends, sachets, and reconstituted drink systems where dispersibility and peptide concentration influence finished-product performance.

Dietary Supplements

The dry powder format supports capsules, tablets, stick packs, and powdered supplement products requiring a defined rice-derived peptide ingredient.

Protein-Fortified Foods

Hydrolyzed rice protein can be evaluated in bars, snacks, bakery products, and other protein-enriched foods where its hydration and processing behavior differs from conventional rice protein.

Typical Specifications

ParameterCommercial Specification
Product NameRice Peptide Powder
Commercial NamesRice Protein Peptide · Hydrolyzed Rice Protein · Rice Protein Hydrolysate
Botanical SourceOryza sativa L.
Protein SourceRice protein
Ingredient TypeEnzymatically hydrolyzed plant protein peptide
Product FormPowder
Primary GradeProtein ≥85% · Peptide ≥75%
High-Peptide GradeProtein ≥90% · Peptide ≥80%
Reporting BasisDry basis
Low-Molecular-Weight GradePeptide fractions defined at ≤2,000 Da
Hydrolysis MethodEnzymatic hydrolysis
Solubility GradesWater-soluble · Clear-soluble
Key Grade ParametersProtein · peptide content · molecular-weight distribution · solution performance

Peptide Profile

Rice Peptide Powder is a multi-component peptide system rather than a single purified compound. Hydrolysis produces peptide populations of different chain lengths and molecular weights, so total protein alone does not fully describe the ingredient.

For procurement, peptide content and molecular-weight distribution provide additional information about how extensively the starting protein has been hydrolyzed. Higher-peptide grades increase the proportion of hydrolyzed protein material, while low-molecular-weight grades place greater emphasis on smaller peptide fractions.

Percentage-based molecular-weight distribution is generally more informative than a single average molecular-weight figure because two materials with similar averages can still contain very different peptide populations. This distinction is relevant when comparing solution clarity, bitterness, viscosity, dispersibility, and other formulation characteristics.

Technical & Quality Considerations

Protein and peptide content should be evaluated as separate analytical parameters. Protein is commonly derived from nitrogen analysis, while peptide content requires its own analytical definition. Rice protein references frequently use a nitrogen-to-protein conversion factor of N × 5.95, making the reporting basis an important consideration when comparing headline protein percentages across different specifications.

Molecular-weight distribution is particularly useful for distinguishing conventional hydrolyzed protein from low-molecular-weight peptide products. Distribution data below defined molecular-weight thresholds gives procurement and R&D teams a more useful comparison than relying only on an average molecular weight.

For beverage development, evaluate dissolution rate, clarity, sedimentation, viscosity, pH compatibility, heat processing, and bitterness in the finished formulation. Clear-soluble grades may behave differently from standard soluble materials even at similar protein concentrations. In dry systems, premixing, blend uniformity, flow, reconstitution, and moisture exposure become more important scale-up considerations.

Packaging & Commercial Supply

Essencefield supports samples, development quantities, commercial orders, and repeat ingredient supply for product evaluation, formulation, and ongoing sourcing. Packaging, storage, and shipping conditions are selected according to ingredient characteristics, order quantity, stability requirements, and destination-market needs.

Supply ItemGeneral Information
SampleAvailable for formulation, testing, and supplier evaluation
Order QuantitiesSample · 100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time5–7 days
Production Lead Time15–30 days
PackagingSealed food-grade or suitable protective inner packaging with drum, carton, bag, or other appropriate outer packaging
StorageAccording to the approved product specification and ingredient stability requirements
DocumentationCOA · Product Specification · TDS · SDS · Applicable declarations

Available quantities, packaging format, net weight, storage conditions, analytical requirements, documentation, and shipping arrangements are confirmed according to the selected ingredient and commercial order.

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