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VDK® Natural Canthaxanthin

Chemical Name: β,β-Carotene-4,4'-dione (Canthaxanthin)

CAS Number: 514-78-3 Molecular Formula: C40H52O2

Structural Formula:

Core Production Process

VDK utilizes its proprietary, IP-protected biosynthesis technology to produce canthaxanthin, with a purity of ≥99.0%. The production process is efficient and well-controlled, featuring excellent separation and purification efficiency and a high level of natural origin. The product offers significant overall cost advantages. It can be precisely adapted to regulatory standards in different regions and meets the requirements of diverse application scenarios.

Exclusive Core Strengths

Core Strengths
Naturalness Report
Purity Verification
Quality Specifications

Certified 100% Natural:

Supported by authoritative test data, the naturalness index reaches 100% (compared to 0% for traditional chemical synthesis products), better aligning with the market demand for natural ingredients;
High Purity & Safety:

Purity ≥ 99.0%. No harmful impurities detected and extremely low residual impurities, which complies with high-end application standards such as food-grade and feed-grade;

Quality Specifications

Comply with GB standards.

Items	Specification		Methods
Items	Standard Grade	Premium Grade	Methods
Appearance	Purple-red to purplish-brown crystals or crystalline powder	Purple-red to purplish-brown crystals or crystalline powder	Visual
Loss on Drying (%)	≤0.5	≤0.5	GB/T6435-2014
Ash (%)	≤0.2	≤0.2	GB7300.902-2022
Heavy Metals (Total / ppm)	≤10	≤10	GP2020<0821>
Lead (Pb / ppm)	≤10	≤10	GB13080-2018
Total Arsenic (As / ppm)	≤3	≤3	GB13079-2022
Mercury (Hg / ppm)	≤1	≤1	GB13081-2022
Assay
Content (%)	≥96.0	≥99.0	UV
Purity (%)	≥98.0	≥99.0	HPLC
Trans-isomer Proportion (%)	≥96.0	≥98.0	HPLC
Other Carotenoids (%)	≤2	≤1	HPLC
Natural Purity (%)	100	100	AMS
Triphenylphosphine Oxide (TPPO / %)	≤0.01	≤0.01	-
Dichloromethane (%)	<2%	<2%	-
Microbial Limits
Total Plate Count (CFU / g)	≤1000	≤1000	GB 4789.2
Mold & Yeast Count (CFU / g)	≤50	≤50	GB 4789.15
Coliforms (MPN / 100g)	≤30	≤30	GB 4789.3 MPN Method
Salmonella (g)	Not detected /25	Not detected /25	GB 4789.4
Staphylococcus aureus (g)	Not detected /25	Not detected /25	GB 4789.10

Product Content and Packaging Specifications

Product content ≥99%, trans-isomer content ≥99%. Standard Packaging: 1kg/bag, 15kg/bag, 25kg/bag. Inner packaging: PE bag + aluminum foil bag; Outer packaging: cardboard drum. Customized packaging specifications are available upon request.