Product Description
Vitamin C (Ascorbic Acid) is a vital water-soluble nutrient and a powerful antioxidant that plays a crucial role in supporting overall health. It is essential for the synthesis of collagen, promoting healthy skin, blood vessels, and connective tissues. Additionally, Vitamin C helps strengthen the immune system and enhances the absorption of iron from plant-based foods.
Our high-purity Vitamin C is widely used in dietary supplements, functional foods, beverages, and skincare formulations. With its excellent stability and bioavailability, it provides reliable nutritional support and meets the quality standards required for various health and wellness applications.

COA
| Items | Specifications | Test Results |
|---|---|---|
| Appearance | White to slightly yellow crystalline powder | Complies |
| Assay (HPLC) | ≥ 99.0% | Complies |
| pH (5% aqueous solution) | 2.1 - 2.6 | 2.3 |
| Specific Rotation [α]D20 | +103.0° to +108.0° | +105.2° |
| Loss on Drying | ≤ 0.40% | 0.12% |
| Residue on Ignition (Sulfated Ash) | ≤ 0.1% | 0.04% |
| Heavy Metals (as Pb) | ≤ 10 ppm | < 10 ppm |
| Arsenic (As) | ≤ 3 ppm | < 3 ppm |
| Total Aerobic Plate Count | ≤ 1,000 CFU/g |
< 10 CFU/g |
| - Yeast & Mold | ≤ 100 CFU/g | < 10 CFU/g |
| - E. coli | Negative / 10g | Negative |
| - Salmonella | Negative / 10g | Negative |
Functions and Effects
Skincare & Cosmetics:
L-Ascorbic Acid is the most bioactive form of Vitamin C for topical use. It acts as a potent antioxidant to neutralize free radicals caused by UV exposure and pollution. Additionally, it inhibits the enzyme tyrosinase to fade dark spots and hyperpigmentation, while being an essential cofactor for stimulating collagen synthesis to improve skin elasticity and reduce wrinkles.
Immune Support and Essential Nutrient:
As a vital water-soluble vitamin, it plays a crucial role in supporting the immune system and promoting wound healing through collagen biosynthesis. It also enhances the intestinal absorption of non-heme iron from plant-based foods. In pharmaceutical manufacturing, it is widely used as an active ingredient in supplements and as an antioxidant stabilizer in various drug formulations.
Food & Beverage Industry:
In food processing, Vitamin C serves as a natural antioxidant and preservative. It prevents enzymatic browning in cut fruits and vegetables, maintains the vibrant color of beverages, and inhibits the oxidation of fats and oils. In meat processing, it acts as a curing accelerator, enhancing color stability and preventing the formation of harmful nitrosamines.

Application Fields
Personal Care & Cosmetics:
Widely used as a premium active ingredient in anti-aging serums, brightening creams, and sun-care formulations. It is highly valued for its ability to reduce oxidative stress, fade hyperpigmentation, and stimulate collagen production for healthier, more radiant skin.
Food & Beverage:
Approved as a safe food additive (antioxidant and preservative). It is extensively applied in fruit juices, canned fruits, jams, and meat processing to prevent oxidation, maintain vibrant colors, and extend shelf life. It is also used as a dough improver in bakery products.
Pharmaceuticals & Dietary Supplements:
A core active ingredient in Vitamin C tablets, effervescent powders, and oral liquids for immune support and nutritional supplementation. In pharmaceutical manufacturing, it is also utilized as an excipient and antioxidant stabilizer to protect other active compounds from degradation.

Business Scope

Packaging And Transportation Methods

Certificationss

FAQ
Our address
No. 56, Jinye 1st Road, Hi-Tech Zone, Xi'an,Shaanxi Province, China
Phone Number
18092919441
tyan@taianbio.com

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