What is Lutein Beadlet Powder?
Lutein Beadlet Powder is a uniform, standardized, and particulate form of lutein that is obtained by incorporating an ingredient into uniform, bead-shaped particles via controlled beadlet or spray structuring methods, and the main aim of which is to provide physical stability, handling efficiency, and uniformity of formulation in industrial production. The beadlet geometry of lutein compounds gives a controlled geometry of the particle, restricting the exposure of the particle to light and oxygen during storage and downstream operations, which is advantageous in preserving the lutein structure. Manufacturing-wise, this format has predictable bulk density, low generation of dust, and better flow properties, which are important in high-throughput processes like automated blending, encapsulation, and tableting. It is normally engineered to be dispersion-controlled in both dry and semi-aqueous systems to enable formulators to get even distribution without subjecting the compound to undue shear and complicated solubilization processes. Prepared within a mass-produced quality system and packaged in bulk format that can be used in global supply chains, this ingredient has assisted in scaling production, dosage accuracy, and consistent incorporation into nutritional and functional product systems.

COA
| Items | Specification | Results | Test Method |
| Appearance | Orange-red free-flowing powder | Conforms | Visual |
| Odor | Characteristic | Conforms | Organoleptic |
| Taste | Characteristic | Conforms | Organoleptic |
| Identification | Positive | Positive | HPLC |
| Lutein Content | ≥10.0% | 10.25% | HPLC |
| Zeaxanthin Content | ≤2.0% | 1.28% | HPLC |
| Loss on Drying | ≤5.0% | 2.13% | USP <731> |
| Bulk Density | 0.40–0.70 g/mL | 0.52 g/mL | - |
| Particle Size (100 mesh pass) | ≥95% | 98.60% | USP <786> |
| Residual Solvent (Ethanol) | ≤5000 ppm | <1000 ppm | GC |
| Heavy Metals | ≤10 ppm | <10 ppm | ICP-MS |
| Lead (Pb) | ≤2 ppm | 0.51 ppm | ICP-MS |
| Arsenic (As) | ≤1 ppm | 0.22 ppm | ICP-MS |
| Cadmium (Cd) | ≤1 ppm | 0.12 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | <0.05 ppm | ICP-MS |
| Total Plate Count | ≤1000 CFU/g | 120 CFU/g | USP <2021> |
| Yeast & Mold | ≤100 CFU/g | 20 CFU/g | USP <2021> |
| E. coli | Negative | Negative | USP <2022> |
| Salmonella | Negative | Negative | USP <2022> |
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Working Principle
The Lutein Microencapsulated Powder functional mechanism is effectively founded on the inherent physicochemical behavior of lutein at the molecular level in conjunction with the role of delivering the carrier system of beadlet instead of a therapeutic positioning. It is a xanthophyll carotenoid with a conjugated double-bond structure, which allows it to react with reactive molecular species by physical quenching and electron transfer reaction, recently proposed in biochemical literature as antioxidant activity. In the beadlet form, it is incorporated into a solid matrix that does not change its molecular identity but stabilizes its exposure to external stressors, in such a manner that the compound can be held stable until it is released under formulation conditions or conditions of the digestive tract. Mechanistically, a planar mol structure of lutein enables it to bind in lipid surroundings and cell-mimicking membrane, where it may affect the preservation of oxidative equilibrium and may be involved in normal metabolic pathways related to carotenoid usage. The beadlet system has been mainly used as a regulated physical carrier whereby lutein is made available in a stable and uniformly dispersed form that can be used industrially, even though the functionality of the core component is still based on the well-documented biochemical reactivity.
Process
1. Lutein Raw Material Preparation
Purified lutein, which is typically obtained botanically, is first standardized and dissolved or dispersed in an appropriate carrier system to provide a homogeneous concentration and processability before structuring.
2. Formulation of the Beadlet Matrix
The beadlet wall system is created by preparing food-grade encapsulating materials, including carbohydrates, proteins, or modified starches, in an aqueous phase so that they form a beadlet wall.
3. Emulsification or Homogenization
The encapsulating matrix is combined with the lutein phase and mixed or homogenized under controlled conditions with a high shear rate to form a consistent beadlet dispersion with a uniform droplet size, which a priori determines beadlet uniformity at the final stages.
4. Spray Drying or Spray Granulation
The dispersion goes through spray drying or spray granulation machinery, wherein high speed removals of water creates solid, spherical beadlets of definite particle size and low residual moisture that can be handled in bulk.
5. Cooling and Stabilization
Beadlets that have been formed are cooled and conditioned to stabilize their physical structure and eliminate agglomeration to maintain a constant flow property during downstream processing.
6. Sieving and Particle Size Classification
The dry substance is sieved to eliminate fines or oversized particles, and the particle size distribution is narrow, which aids in homogeneous blending and dosing during industrial applications.
7. Quality Control and Standardization
The beadlets are analyzed in terms of lutein contents, moisture content, bulk density, and physical stability, after which they are standardized to fit specified standards that downstream manufacturers demand.
8. Bulk Packaging and Storage Preparation
Bulk packs of Finished Lutein Microcapsule Powder are packed into protective, food-grade bulk packs, which help to minimize light, oxygen, and moisture contact during transportation and warehouse storage.

Suitable For
As a manufacturer, the end products that are developed using Lutein Micro-encapsulation Powder are typically marketed in the non-specific, broad consumer groups that are looking to consume nutritional supplements regularly as part of regular eating habits and not as a medical intervention. These are often targeted at adult populations with regular dietary intake requirements, such as working professionals, older adults, and consumers who are interested in balanced nutrition and ingredient transparency without any special population or condition-specific market segment. Because of its standardized structure and elasticity in formulation, it can also be used in mainstream food and supplement forms meant to be distributed to the mainstream market, where consistency, stability, and the ability to use the product are important factors. In the case of such products, it is usually oriented to consumers who are interested in convenient, ready-to-use dosage forms and appreciate the predictable quality of ingredients in established regulatory frameworks.
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