| Customization: | Available |
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| Certification: | ISO, FDA, Halal |
| Assay Method: | HPLC, UV |
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Food Additive Natural Pigment Grape Skin Extract
Dark red-purple powder, easily soluble in water, insoluble in grease. Aqueous solution is purplish red, hue changes with different pH, purplish red under acidic conditions, dark blue under alkaline conditions; good light and heat stability under acidic (pH<4) conditions, poor stability under alkaline conditions. Vitamin C is extremely unstable to pigments.
Grape skin red is extracted and refined by water or edible ethanol with grape skin or grape juice dregs as the main raw material. Its main coloring component is anthocyanin.
| Certificate of Analysis | ||||
| Name | Grape Skin Red | Shelf life | 12 months | |
| item | quality index | inspection result | ||
Sensory requirements |
color | red - purple red | purple red | |
| smell | No odor | No odor | ||
| character | Powder | Powder | ||
| impurity | No obvious impurity | / | ||
| solubility | water solubility | water-solution | ||
| item | unit | specification standard | result | |
physicochemical indexes |
color value E1%1cm520nm |
/ | ≥10 | 11.5 |
| loss on drying | % | ≤8.0 | 4.2 | |
| As | mg/kg | ≤3.0 | / | |
| Pb | mg/kg | ≤2.0 | / | |
| storage | Store in a cool, dry place, sealed, away from light | |||
- Established in 1993, Zhongda Hengyuan has 30 years of experience in research and production of natural color and plant extract.
- With 23 production lines with independent intellectual property rights and patents. 1300 sets of production equipment, 60,000 tons of raw materials handled per year.
- Strong R&D capability, with a 5000 square meter R&D center and a corporate innovation team of 86 people.
- With 1500 square meters of test platform, accredited by the Chinese National Laboratory CNAS accreditation, laboratory qualification certification (CMA). Advanced testing equipment, high-quality professional testing personnel, good testing environment, to ensure product quality and safety.
- Sustainably sourced product supply, all color range supply, quick response, fast delivery, professional guidance services.
Henan Zhonghengbo Trade Co., Ltd. is affiliated with Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd. Zhongda Hengyuan is a manufacturer of natural colors and functional plant extracts established in 1993, specializing in research, development, production, sales and solution services.
The company has established a domestic plant extraction and application research cooperation and innovation platform, the platform has academician workstation, natural color key laboratory, natural color engineering technology research center provincial enterprise technology center, post-doctoral research base, and national CNAS accredited laboratory, with independent intellectual property rights and patents. The platform has 23 production lines with independent intellectual property rights and patents, and the testing platform has passed CMA certification. At present, the company has dozens of independent core invention patents, and continues to work on the development and declaration of natural color standards.
We earnestly welcome new and old friends from all walks of life to visit our company, carrying out business negotiations, extending our mutual professional work, and striding towards our common prosperity and promising prospects.
Q: How do you control the safety of your products?
A: We have own quality control analysis and testing platform, accredited by the Chinese National Laboratory CNAS accreditation, laboratory qualification certification (CMA), number of physical and chemical testing items 50+, number of harmful substances testing items 1500+, number of microbiological testing items 10+, to ensure product quality and safety.
Q: How can I quickly get the price of the product I need?
A: Please provide the required product applications, online customer service will provide you with the most suitable product and price according to your applications.
Q: Are you supply free samples?
A: Yes, free samples is available
Q: What is the MOQ?
A: The MOQ is 1 Kg
Q: Do you support customization?
A: Yes, customization is available.
Q: What is the payment terms?
A: L/C, TT, Western Union, PayPal
Q: What the after sale service?
A: We provide online product usage guidance and advance testing of compound materials in other product applications.
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