Rice Starch-Containing Pellets are pharmaceutical excipient-based multiparticulate pellets in which rice starch is incorporated as one component of the pellet formulation together with other suitable excipients. Unlike pure Rice Starch Pellets, the term “rice starch-containing” indicates that rice starch forms part of the formulation rather than necessarily constituting the entire pellet composition.
Rice starch is obtained from the caryopsis of Oryza sativa L. and is identified by CAS 9005-25-8. It is a polymeric starch material represented by the general formula (C₆H₁₀O₅)n, so it does not have a single fixed molecular weight. Pharmacopoeial references describe rice starch as a pharmaceutical excipient and specify identification, pH, iron, loss on drying, sulfated ash and other applicable quality controls.
For a Rice Starch-Containing Pellets product, the finished-pellet properties depend on the percentage of rice starch, other excipients, pelletization process, moisture level, particle-size distribution and formulation design. Therefore, the rice starch loading and finished-pellet specifications should be established from the specific product specification rather than assumed from the raw-material monograph.
Commercial rice starch pellets demonstrate that rice starch can be processed into a spherical multiparticulate format. A commercial reference reports 0.30–1.50 mm particle size, 0.40–0.60 g/mL bulk density, 0.60–0.80 g/mL tapped density, ≤5.0% moisture, pH 5.0–7.0 and ≥98.0% starch content for its Rice Starch Pellets. These values are reference values for that particular pellet product and should not automatically be used as SDP specifications.
Rice Starch-Containing Pellets can be considered for:
Rice starch is recognized as a pharmaceutical excipient, and its properties can differ from other botanical starches; pharmacopoeial guidance specifically notes that starch types from different botanical sources should not simply be interchanged because their properties may differ.
The final characteristics of Rice Starch-Containing Pellets depend on:
For this reason, finished rice starch loading, assay, LOD, ash, density and particle size should remain product-specific unless supported by the actual SDP specification or COA.
Rice Starch-Containing Pellets can be supplied for pharmaceutical formulation development and bulk manufacturing requirements. Rice starch loading, particle size, moisture, density, formulation composition, packaging configuration and finished-product acceptance criteria should be confirmed against the applicable SDP product specification and COA.
| Parameter | Specification |
|---|---|
| Appearance | white to off-white crystalline powder |