Product Overview & Specifications
Coated Vitamin C is a stabilized form of L-ascorbic acid produced using advanced coating technology. The protective coating improves resistance to moisture, oxygen, heat, and light, helping maintain vitamin activity during processing, transportation, and storage. Guangzhou ZIO Chemical Co., Ltd. supplies food-grade Coated Vitamin C with customized coating systems and particle sizes to meet the requirements of food, beverage, dietary supplement, and feed applications.
|
Parameter |
Specification |
|
Chemical Name |
L-Ascorbic Acid (Coated) |
|
Active Assay |
90%, 93%, 97% (Customizable upon request) |
|
Appearance |
White to off-white free-flowing powder or granules |
|
Coating Material |
Food-grade vegetable oils, mono- and diglycerides, or ethyl cellulose |
|
Particle Size |
20 mesh – 100 mesh (Tailored for tablets, capsules, or premixes) |
|
Loss on Drying |
≤0.5% |
|
Heavy Metals (as Pb) |
≤10 ppm |
|
Arsenic (As) |
≤2 ppm |
|
Shelf Life |
24 Months |
|
Packaging |
25 kg fiber drums or multi-layer kraft paper cartons |
Key Benefits
Enhanced Oxidation Resistance: The protective shell cuts off direct contact with oxygen, minimizing nutrient loss during cross-continental shipping and long-term storage.
Superior Thermal Stability: Maintains a high retention rate during rigorous operations such as commercial baking, high-shear extrusion, pelleting, and spray drying.
Zero Cross-Reactivity: Prevents premature chemical reactions with metal ions (like Iron or Copper) and proteins in complex mineral blends and premixes.
Effective Taste Masking: Drastically reduces the sharp, sour taste profile of vitamin C, making it the ideal choice for chewable tablets, gummies, and powdered drink mixes.
Applications
Food & Bakery Industry
Acts as a high-performance dough conditioner and nutritional fortifier. It survives high oven temperatures without degrading, ensuring clean label claims on baked goods, cereals, and snack bars.
Dietary Supplements & Nutraceuticals
The ultimate ingredient for multi-vitamin tablets, hard gel capsules, effervescent powders, and functional gummies. Offers excellent compressibility, zero color change, and masked acidity.
Beverage & Instant Drink Mixes
Provides superior stability in dry-blended powdered beverages, meal replacements, and instant fortified drink mixes, avoiding premature color changes in the package.
Animal Nutrition & Aquafeed
Widely implemented in vitamin premixes, high-temperature extruded pet food, and aquaculture feed where heat and moisture stability are essential for livestock health.
Quality Assurance & Documentation

We provide a complete documentation package with every shipment to ensure seamless regulatory clearance in your country:
☆Certificate of Analysis (COA) & Technical Data Sheet (TDS)
☆Material Safety Data Sheet (MSDS / SDS)
☆Non-GMO, Allergen-Free, and BSE/TSE Statements
☆Plant-derived / Vegan Declarations
☆Global Certificates: FSSC 22000, ISO, Halal, Kosher
Why Choose Guangzhou ZIO Chemical
With over 20 years of expertise in international chemical and food ingredient sourcing, Guangzhou ZIO Chemical Co., Ltd. has established an agile, secure distribution network across more than 120 countries and regions (including North America, Europe, LATAM, Southeast Asia, and the Middle East).
Flexible Packaging: Standard 25 kg ocean-safe packaging with inner PE liners. Palletized and shrink-wrapped with moisture-absorbing desiccant packs.
Customization (OEM/ODM): Tailored active assay contents (e.g., 97% VC + 3% Coating), customized particle sizes for specific blending plants, and private label packaging.








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