L-Serine Powder is a highly purified micro-fermented amino acid ingredient, produced using the latest microbial fermentation and refined processing techniques, to guarantee uniformity in product quality, excellent purity, and consistent batch-to-batch performance for industrial use. It is usually isolated as a white crystalline powder, with good flowability and high water solubility, which are appreciated by the formulation industry, and also because of its physicochemical stability and compatibility with many production systems. It can be used as an ingredient in many dietary supplements, functional foods, beverages, sports nutrition, pharmaceutical excipients, fermentation, and personal care manufacturing processes where the quality of ingredients and standardized specifications are crucial. It has a neutral sensory profile and a very stable process that enables it to be incorporated efficiently in tablets, capsules, powdered blends, sachets, drink mixes, liquid formulations, and compounded ingredients without compromising the product's sensory properties and appearance. It is an essential amino acid component for global customers looking for a reliable source of raw materials, formulation adaptability, and manufacturing precision in nutritional and food development initiatives as well as in industrial applications, thanks to its scalability, rigorous quality control, and adaptability to supply requirements.

|
Item |
Specification |
Result |
Test Method |
|
Appearance |
White crystalline powder, free-flowing, no foreign matter |
Conforms |
Visual Inspection |
|
Odor |
Characteristic, neutral odor |
Conforms |
Organoleptic Method |
|
Taste |
Slightly sweet, characteristic |
Conforms |
Organoleptic Method |
|
Identification |
Positive reaction |
Conforms |
HPLC |
|
Assay (L-Serine) |
≥99.0% |
99.50% |
HPLC |
|
Optical Rotation |
+14.0° to +15.5° |
+14.8° |
Polarimetry |
|
Loss on Drying |
≤0.5% |
0.18% |
USP <731> |
|
Residue on Ignition |
≤0.5% |
0.12% |
USP <281> |
|
pH (5% Solution) |
5.5 – 6.5 |
5.9 |
USP <791> |
|
Solubility |
Freely soluble in water |
Conforms |
Visual Method |
|
Heavy Metals |
≤10 ppm |
<10 ppm |
ICP-MS |
|
Lead (Pb) |
≤3.0 ppm |
<0.5 ppm |
ICP-MS |
|
Arsenic (As) |
≤2.0 ppm |
<0.2 ppm |
ICP-MS |
|
Cadmium (Cd) |
≤1.0 ppm |
<0.1 ppm |
ICP-MS |
|
Mercury (Hg) |
≤0.1 ppm |
<0.05 ppm |
ICP-MS |
|
Total Plate Count |
≤1,000 CFU/g |
120 CFU/g |
USP <61> |
|
Yeast & Mold |
≤100 CFU/g |
20 CFU/g |
USP <61> |
|
Coliforms |
Negative / 1g |
Negative |
USP <62> |
|
E. coli |
Negative / 10g |
Negative |
USP <62> |
|
Salmonella |
Negative / 25g |
Negative |
USP <62> |
|
Staphylococcus aureus |
Negative / 25g |
Negative |
USP <62> |
The L-serine Powder Bulk market is growing steadily in the global market owing to the rising demand for high-quality amino acid ingredients in the manufacturing of nutrition, food, beverage, and personal care sectors. Today, buyers will not simply base their purchase on price, but also on consistency of ingredients, sourcing traceability, quality assurance and reliability of supply, and internationally recognised quality standards. Meanwhile, changing preferences are driving brands to choose naturally sourced, fermentation-derived ingredients for positioning their products as clean and for improved traceability across the supply chain. Manufacturers are investing more in advanced fermentation technologies, sustainable production processes, and stringent quality management systems to ensure consistent product quality and increase efficiency. Also, OEM, ODM, and private-label projects are driving up demand for customisations, flexibility, and full technical documentation, which helps customers ease procurement and product development across the globe. With the growing focus on sustainability, manufacturing excellence, and natural ingredient solutions in the industry, it is likely to continue playing a vital role in the formulations developed by customers who prioritize reliable raw material sources and the ability to create innovative, flexible formulations for the future.
1. Keep in the Original Sealed Packaging
To maintain the original quality of the product and reduce exposure to the environment, the product is supplied in a professionally sealed industrial package and should not be opened until production.
2. Store in a Cool, Dry Warehouse
Store the product in a clean, well-ventilated storage location, away from extremes of heat, humidity, and direct sunlight to ensure stable storage.
3. Protect from Moisture
Tightly seal the package after each use and do not leave it in a humid place for long periods of time, as exposure to humidity can alter the physical properties of the powder.
4. Avoid Strong Odors and Reactive Materials
Keep away from strong odors and volatile and/or reactive materials to help maintain the original sensory characteristics of the ingredient.
5. Handle Opened Bags Promptly
Securely close the inner liner and outer packing when opened. In high-volume production, it is suggested to utilize the remaining Serine Powder in the next reasonable production cycle.
6. Stack Properly During Storage
Store cartons or drums on clean pallets and ensure that there is minimal pressure on the packaging, as it may become deformed or damaged by accident.
7. Follow FIFO Inventory Management
Use a "first in, first out" (FIFO) inventory management system to optimize the rotation of inventory and make warehouse management easier.
8. Conduct Routine Warehouse Inspections
Monitor storage and package conditions regularly to ensure good storage and product quality before production or distribution.

Product Direction
1. Precision Amino Acid Blend Powders
Develop customised amino acid complexes for special nutrition products with different ratios of ingredients depending on market-specific needs.
2. Instant Functional Stick Packs
Use Bulk Supplements L-serine in one-serving powder packets, which can be easily combined with water or other liquids in product manufacture.
3. Effervescent Tablet Formulations
As part of the effervescent tablet production, providing an alternative dosage form to manufacturers with their fast dispersion property.
4. High-Solubility Beverage Premixes
Formulate powdered beverage bases that need to have excellent dissolution properties and compatibility with a variety of functional ingredients.
5. Capsule and Tablet Product Lines
Produce standardized solid dosage products and flexible filling weights, with options for private label formulations.
6. Multi-Ingredient Nutrition Complexes
Mix with vitamins, minerals, botanical extracts, and other amino acids to produce a range of different nutritional formulations for various product ranges.
7. Ready-to-Mix Powder Systems
Develop a range of powder concentrates that may be used for OEM customers who are looking for ease of use in their finished nutritional or food products.
8. Advanced Cosmetic Ingredient Formulations
Use it in cosmetic raw material blends, facial care formulations, or beauty ingredient systems that are based on amino acids as formulation components.
Information on pricing, specifications, or would custom be needed? Please e-mail us at info@scigroundbio.com or fill in the request form at the bottom of this page, and we will get back to you soon.


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