A naturally occurring plant polyphenol, Tanino Milteliai (tannic acid powder or tannin powder), is found in many different parts of many botanical species, including the bark, fruit, leaves, and seed shells. As a feed additive, tannic acid has a wide range of biological activity including antibacterial, antioxidant, anti-inflammatory, astringent and regulating the gut microbiota.
Due to increasing market trends for antibiotic-free and sustainable animal production systems, Tanino Milteliai (Tannin Acid Powder) is now commonly used as a feed additive in modern feed formulas to promote gut health, immune function, and feed conversion rates among all poultry, swine, ruminants, or aquatic species.
With more than ten years of experience as a botanical extract manufacturer, Shaanxi New Things Biotech Co., Ltd. offers a stable and consistent supply of tannin extract powder to customers worldwide.
Tanino Milteliai is a very fine powder made from tannic acid derived from plants (polyphenols). Tannic acid is one of the tannins and has the following property; it binds very easily to proteins, polysaccharides, metals, etc.
Tannins produce protection for plants in nature from pathogens and pests (insects). This natural form of protection will be the main reason tannic acids will become more important in the feed and animal nutrition industries.

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General Information |
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Product Name |
Tannic Acid |
Country of origin |
China |
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Batch Number |
NT20251228 |
Batch Quantity |
850kgs |
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CAS |
1401-55-4 |
Manufacturing Date |
2025-12-28 |
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Analysis Date |
2025-12-28 |
Expiry Date |
2027-12-27 |
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Item |
Specification |
Result |
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Physical Property |
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Appearance |
Yellow-brown Powder |
Complies |
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Color |
Yellow-brown |
Complies |
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Tannic Acid |
≥94% |
95.2% |
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Odor |
Characteristic |
Complies |
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General Analysis |
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Particle size |
95% Pass 80 Mesh |
Complies |
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Loss on Drying |
≤9% |
7.4% |
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Ash |
≤1% |
0.5% |
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Contaminants |
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Heavy Metal |
<10ppm |
Complies |
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Arsenic(As) |
<2ppm |
Complies |
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Lead(Pb) |
<0.5ppm |
Complies |
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Cadmium(Cd) |
<0.3ppm |
Complies |
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Mercury(Hg) |
<1ppm |
Complies |
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Copper(Cu) |
<1.0ppm |
Complies |
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Microbiological |
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Aerbic Bacteria Count |
<10000CFU/g |
Complies |
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Yeast & Mold |
<100CFU/g |
Complies |
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E.Coli |
Negative |
Negative |
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Salmonella |
Negative |
Negative |
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Shelf Life |
24 months under the conditions below, no antioxidant used |
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Package |
25 kg/drum outside and double food plastic bags inside. |
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Storage |
Store in a cool and dry place away from Moisture, Light, Oxygen |
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Tannic Acid has become an important multifunctional additive in feed as it exhibits multiple activities that rely on its interaction with microbial proteins as well as the intestinal mucosa.
Antibacterial & Antiviral Activity
The main function or advantage of Tanino Milteliai is its antimicrobial capability. Tannic acid binds with the proteins in a bacteria's cell wall or a virus's envelope and disrupts the structure of the bacteria or viruses and prevents their growth. Thus, tannic acid powder is used for antibacterial applications as well as assisting to:
By naturally improving animal resistance, tannic acid can help minimize the amount of antibiotics used and can further complement the worldwide trend toward green and safe farming.
Astringent Effects and Support for Diarrhoea
One of the most well-known features of tannic acid is its astringent effect. Tannic acid will interact with proteins available in the gastrointestinal tract's mucous membrane and thus will help develop a protective barrier on the gut lining which can thus lower irritation due to the presence of other noxious entities besides supporting the healing of the mucous membrane.
Thus, the Tanino Milteliai probably aid in:
They (Tannin Milteliai) will be very important for piglets and broilers, and animals that are under stress.
Antioxidant and Anti-Inflammatory Properties
Tannic acid is a powerful natural antioxidant. It can help reduce oxidative stress, which is commonly associated with heat stress, transportation stress, vaccination stress, and intensive farming conditions.
By supporting antioxidant defense, tannic acid powder for animal feed may help:
Regulation of Gut Microbiota
The study of the microflora in the intestines of animals is becoming a major focus of modern feed sciences. Tannic acid can aid in the destruction of pathogenic organisms, while supporting the balance of the microbial populations in the gut.
Enhancing Immune System Activity
Tannic Acid will activate respiratory pathways and improve the animals’ resistance to infections. In addition, it will provide a benefit during times of stress:
Tannic Acid will be used as a part of the diet so that the morbidity will be reduced and the survival rate will be improved.
Feed Stability and Palatability Enhancement
Tannic acid can produce stable complex with some feed ingredient that helps in reducing oxidation and nutrient depletion during storage. So, it tends to improve the stability of feed, particularly in case of premixes and concentrates.
It may also help increase the animal's appetite when properly dosed due to its mild bitterness taste.

Tanino Milteliai has many uses in animal feed formulations and premixes including the following:
Tannic acid can be of great benefit. Careful control of dose is essential. A too-high dose of tannic acid can cause problems including:
Shaanxi New Things Biotech offers recommended doses specific to the type of animal being fed, the animal's growth stage, and the formula.
Shaanxi New Things Biotech has experience of over 10 years as a professional supplier of botanical extracts and has established an excellent international reputation for supplying stable-quality plant-based powders.
The benefits are as follows:
Our Tanino Milteliai can meet your production requirements for antibiotic free feed formulations and livestock health improvement projects.
Our standard packaging is 1 kg per bag or 25 kg per drum, but we can provide custom packaging for you if you need it.
We can ship your order by courier, air freight or sea freight depending on what works best for you. We also offer a DDP (Delivered Duty Paid) service if you need this service for your requirements.

With more than a decade of experience, we have developed significant expertise in the manufacture of and supply of superior raw materials that are used in food products, health products, and cosmetic products. We have the experience to ensure that you are receiving the highest quality product along with a dependable source of supply.

We are happy to be certified as ISO 9001, KOSHER, and HALAL. These certifications demonstrate our dedication to quality. We will continue to pursue additional certifications so that we may provide higher quality and improved service to our customers.

1. What is the use of Tanino Milteliai?
Tanino Milteliai is an all-natural source of Tannic Acid Powder to be used in animal feed to help regulate the gut, improve and regulate diarrhea, boost immune system response, and have antibacterial/antimicrobial protection.
2. Can Tannic Acid Powder be used in Poultry & Swine Feed?
Yes, it is very commonly used in both poultry and swine feed rations because of how effective it can be at providing the animal with proper gut health and can reduce diarrhea risk and feed efficiency when used at the proper dosage rates.
3. Is it possible to include tannic acid as a substitute for antibiotics in the animal diets?
Tannic acid is not a pharmaceutical but, it is utilised as a functional feed additive to decrease pathogen pressure and to assist in the health of animals thus decreasing the requirement for the use of antibiotics.
4. Does tannic acid affect nutrient absorption?
The toxic dose of tannic acid can lead to the binding of minerals like iron and calcium, therefore, increasing tanic acid dosage will reduce the absorption of these minerals. Thus, it is advisable to follow controlled dosage and professional formulation when administering tannic acid-containing products.
5. Is tanino milteliai safe to use as a feed additive for a long period?
With the right and appropriate amount of established recommended levels, tannic acid, in itself, is a very safe and effective product as a feed additive.
Tanino Milteliai offer antimicrobial, antioxidant, anti-inflammatory, and gut-supporting benefits as a plant-based feed additive. Due to the growing demand for sustainable livestock production and antibiotic-free production, Tannic Acid provides a natural solution that continues to grow in popularity among feed manufacturers formulators of modern feeds.
Shaanxi New Things Biotech possesses over 10 years' worth of experience in botanical extracts and functional additives; hence, we will supply quality tannin powder in large amounts to feed manufacturers and distributors at a global level.
Ready to enhance your operations with Tanino Milteliai? Contact us at info@newthingsbiotech.com for technical support and bulk pricing.