Basic Information
Zein 9010-66-6 is a natural source of corn protein, mainly extracted from corn germ, in the form of white or light yellow granules or resinous substances.
Melting point: 266-283°C
Density: 1.226 (25°C)
Solubility: Almost insoluble in acetone, ethanol, and water; soluble in alcohol-water solution, acetone-water solution (60-80% v/v), ethylene glycol, and also soluble in alkaline aqueous solutions with a pH value of 11.5 and above
Form: powder to crystals
Color: white to yellow to orange
advantage
Strong film-forming density
Zein contains a large number of hydrophobic amino acids, and its molecules are cross-linked through hydrophobic interaction and van der Waals forces, and can quickly form a high-density, continuous, and uniform film in an ethanol medium.
Good solubility
Relying on the good responsiveness of Zein to ethanol-water or acetone-water mixed systems, its solubility is significantly better than other plant proteins under 60-80% ethanol conditions. It can achieve efficient processing with a homogenizing stirring system, and the dissolution rate is increased by about 23%.
Excellent antioxidant performance
Zein molecules are rich in aromatic residues such as tyrosine and phenylalanine. After forming a film layer, it has significant antioxidant capacity, and its scavenging rate for DPPH free radicals can reach more than 65%.
Application
- Food industry: used to make edible coatings, fruit and vegetable cling films, and candy coatings.
- Pharmaceutical industry: used as a drug-controlled release coating material in tablets, capsules, and other preparations to improve drug stability and targeted release effects.
- Cosmetics industry: used as a natural film former and emulsifier in skin care products to improve spreadability and skin adhesion.
- Packaging materials: preparation of degradable bioplastics and environmentally friendly packaging films.
- Industrial raw materials: widely used in formulations such as inks, coatings, and adhesives to replace petrochemical-based materials and reduce environmental pollution.
Storage and transportation
Quality Standard
|
Items |
Standard |
|
Character |
Yellow or yellowish powder, odorless, tasteless |
|
Solubility |
Conforms |
|
Identification |
Conforms |
|
Soluble in hexane content |
≤12.5% |
|
Loss on drying |
≤8.0% |
|
Residue on ignition |
≤0.3% |
|
Heavy metal |
≤20ppm |
|
Fineness |
≥40 mesh |
|
Nitrogen content |
13.1-17.0% |
|
Total aerobic count |
≤100CFU/g |
|
Moulds and Yeats |
≤10CFU/g |
|
E.Coli |
Negative |
|
Salmonellae |
Negative |
|
Gram-negative bacteria to bile salt |
≤10CFU/g |
Marketing
Our products are well-received in over 60 countries and regions, including North America, Western Europe, Southeast Asia, and Central and South America. We have built long-term, stable partnerships with pharmaceutical companies across Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India, and other markets.
FAQ
Q: What is Zein?
A: Zein 9010-66-6 is a major protein from corn, in the form of white to light yellow powder or resin, with good film-forming and antioxidant properties.
Q: What are the chemical properties of Zein?
A: Zein 9010-66-6 is almost insoluble in water, but soluble in 60-80% ethanol aqueous solution and alkaline solution (pH ≥ 11.5).
Q: What is the melting point of Zein?
A: The melting point range of Zein 9010-66-6 is 266-283°C.
Q: What are the main advantages of Zein?
A: It has excellent film-forming, gelling, and antioxidant properties, and its color and odor are significantly improved after decolorization and deodorization technology treatment.
Q: What are the applications of Zein in the food industry?
A: It is used for edible coatings and cling films for food to improve the shelf life and appearance quality of food.
Q: Can Zein be used in pharmaceutical preparations?
A: Yes, it is often used as a coating material for controlled-release drugs to help improve drug stability and targeted-release effects.
Q: What are the storage conditions for Zein?
A: It should be stored in a cool, dry, ventilated environment, avoiding high temperature and humidity to ensure stable product quality.
Q: How safe is Zein?
A: As a natural corn protein, Zein 9010-66-6 is non-toxic and harmless and meets many food and pharmaceutical safety standards.
Q: Does Zein6 have an impact on the environment?
A: It is a biodegradable material used in environmentally friendly packaging and plastics to help reduce environmental pollution.
Q: How to judge the quality of Zein?
A: Strict quality control is carried out through multiple indicators such as color, solubility, nitrogen content, impurity content, and microbial detection.
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