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Feed Grade Vitamin E 50% Powder is a free-flowing, microencapsulated powder formulated specifically for animal nutrition applications. It is produced by dispersing dl-α-tocopheryl acetate, a stable form of vitamin E, into a protective carrier matrix through microencapsulation technology. The result is a powder that resists oxidation, mixes evenly into feed, and maintains its potency throughout storage and processing.

Vitamin E is an essential nutrient for all animal species. It functions as a primary lipid-soluble antioxidant, protecting cell membranes from oxidative damage and supporting normal immune function, reproduction, and overall health. Because animals cannot synthesize vitamin E on their own, they must obtain it through the diet. In modern feed production, vitamin E is a standard component of vitamin premixes for poultry, swine, ruminants, and aquaculture species.

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Quality Standard

Analytical Quality	Specification
Assay (Vitamin E)	≥50.0%
Appearance	Almost white or yellowish powder
Loss on Drying	≤ 5.0%
Particle Size	≥90% through 40 mesh
Heavy Metals	≤ 10 ppm
Lead (Pb)	≤ 3.0 ppm
Arsenic (As)	≤ 2.0 ppm
Total Plate Count	≤ 1000 cfu/g
Yeasts and Molds	≤ 100 cfu/g
E. coli	Negative/10g
Salmonella	Negative/10g

Technical Advantages

Microencapsulation Technology

HSF's Feed Grade Vitamin E 50% Powder is built on its microencapsulation process. Liquid vitamin E acetate is emulsified and then coated with food-grade carriers such as modified starch, maltodextrin, or gum acacia. The coated droplets are dried into a fine powder.

This process provides several practical benefits for feed manufacturers:

Oxidation Protection: The carrier matrix shields vitamin E from air, light, and moisture, extending shelf life and preserving potency.

Improved Handling: The free-flowing powder is easy to weigh, blend, and transport. It does not clump or stick to equipment like liquid vitamin E can.

Uniform Mixing: The powder disperses evenly in premixes and compound feed, ensuring consistent dosage across the batch.

Reduced Loss During Processing: The encapsulation protects vitamin E during pelleting and extrusion, where heat and pressure would otherwise degrade unprotected vitamin E.

Stable Form of Vitamin E

dl-α-Tocopheryl acetate is the acetate ester of vitamin E. This form is more resistant to oxidation than free tocopherol, making it the preferred choice for feed applications where long shelf life is required.

Functions in Animal Nutrition

Vitamin E plays several essential roles in animal health and performance:

Antioxidant Protection: Vitamin E is the primary lipid-soluble antioxidant in the body. It protects cell membranes from oxidative damage caused by free radicals, supporting normal cell function.

Immune Function: Vitamin E supports normal immune responses, helping animals maintain health during periods of stress such as weaning, transport, or disease challenge.

Reproductive Performance: Vitamin E supports normal reproductive function in breeding animals, including sperm quality and embryo development.

Meat and Egg Quality: Vitamin E helps protect lipids in meat and eggs from oxidation, supporting product quality and shelf life.

Growth and Feed Efficiency: Adequate vitamin E supports normal growth and feed conversion in growing animals.

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Applications

Poultry:

Broiler and layer premixes

Breeder feeds

Supports egg production and egg quality

Swine:

Piglet, grower, and finisher feeds

Sow and boar diets for reproductive support

Supports immune function during weaning stress

Ruminants:

Dairy and beef cattle premixes

Supports milk quality and reproductive performance

Aquaculture:

Fish and shrimp feeds

Supports growth, immune function, and fillet quality

Pet Food:

Dog and cat food premixes

Supports skin, coat, and overall health

HSF Feed Grade Vitamin E Series

Product Name	Specification	Key Feature
Feed Grade Vitamin E 50% Powder	≥50% Vitamin E	Microencapsulated, free-flowing, suitable for all feed types
Feed Grade Vitamin E 50% Granular	≥50% Vitamin E	Granular form for reduced dust and improved flow

Storage and Packaging

Storage:
Feed Grade Vitamin E 50% Powder can be stored for 24 months in a cool, dry place in the unopened original container. It should be kept in tightly closed containers, protected from heat, light, moisture, and oxygen.

Package:

Small quantities: 1kg or 5kg sealed aluminum foil bags

Bulk quantities: 20kg or 25kg per fiber drum

FAQ

Q1: What is the difference between Feed Grade and Food Grade Vitamin E?

A1: Feed Grade Vitamin E is produced for animal nutrition applications. It meets the quality and safety standards required for feed use, including FAMI-QS certification. Food Grade Vitamin E meets the stricter purity and documentation requirements for human food and supplement applications. HSF offers both grades.

Q2: Why is vitamin E microencapsulated for feed?

A2: Microencapsulation protects vitamin E from oxidation during storage and feed processing. It also improves flowability and mixing uniformity. Without encapsulation, vitamin E can degrade during pelleting and extrusion, reducing the effective dose.

Q3: What is the recommended inclusion rate in feed?

A3: Inclusion rates vary by animal species, production stage, and feed formulation. Typical recommendations range from 20 to 100 grams of Feed Grade Vitamin E 50% Powder per ton of complete feed, depending on the species and nutritional objectives. Please consult your nutritionist for specific recommendations.

Q4: Is HSF's Feed Grade Vitamin E 50% Powder suitable for all animal species?

A4: Yes. It is suitable for poultry, swine, ruminants, aquaculture species, and pets. The dosage should be adjusted according to the species and production stage.

Q5: What certifications does this product have?

A5: HSF's Feed Grade Vitamin E 50% Powder is certified with ISO9001, ISO22000, FAMI-QS, Kosher, and Halal. FAMI-QS is a feed safety certification specifically recognized in the European feed industry.

HSF R&D Center

With its capability to advance projects from gene-level pathway engineering through to commercial-scale fermentation, HSF R&D Center offers a complete technological pipeline supported by core platforms for strain library construction, high-throughput screening, and automated process control.

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