Audited Supplier
What Is Tannic Acid?
Tannic acid is a natural polyphenolic compound in plants, particularly oak bark and tea leaves. It is primarily used in the food industry, medicine, dyes, and leather tanning, possessing properties such as clarification, astringency, and antioxidant activity. 
Product Applications
1. Food industry: Tannic acid can be used as a food additive with antioxidant effects, extending the shelf life of food and improving the taste and color of food.
2. Pharmaceutical field: Tannic acid is used as a pharmaceutical ingredient to prepare antioxidants, anti-inflammatory drugs, antibacterial drugs, and anti-cancer drugs.
3. Beverage industry: Tannic acid is an important component of tea and coffee, which can give the beverage a unique flavor and mouthfeel.
4. Cosmetics: Tannins can be used in cosmetics to have antioxidant, anti-inflammatory, and antibacterial effects and to protect the skin from environmental damage.
Product Details
| Product Name | Tannic Acid |
| Appearance | brown powder |
| Active Ingredient | Tannic Acid |
| Specification | 98% |
| Test Method | HPLC |
| CAS NO. | 1401-55-4 |
| Function | Antioxidant, anti-inflammatory |
| Free Sample | Available |
| COA | Available |
| Shelf life | 24 Months |
PNP Biotech, located in Chengdu, Sichuan Province, China, is an international trading company with over 20 years of experience supplying nutritional ingredients.
PNP stands for Prudent and Persistent, and with this belief and value in mind, we provide high-quality products and proven, reliable supply chain support to our customers worldwide.
With our manufacturing plants throughout China, we can produce stable quality products and offer a wide range of customized services by directly controlling the quality of our production.
In addition, we are constantly researching new technologies, developing new products, and actively setting up warehouses overseas to reduce our customers' purchasing and shipping costs.
We believe that as long as we put in efforts and sincerity, we can reap long-term and friendly cooperation with our customers, and we believe that soon, we will also start a brand new journey of collaboration with you!
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Q: What is the price validation?
Two weeks minimum.
Q: What's your MOQ?
Our price is based on 25kg MOQ. We also accept smaller quantity orders for your R&D purpose, but the price will be higher due to the additional repack process fee and shipping/handling cost.
Q: Can I get free samples?
We provide 50 grams maximum free sample if you can handle the shipping charges.
Q: Is there a discount?
It is negotiable depending on the quantity and demand details.
Q: What is the shipping method and what is the lead time?
We ship by ocean or airfreight for most orders and also use express courier for small orders.
Q: What is the shelf life for the products?
24 months.
Q: Do you accept customized products?
Yes.
Q: What are the payment terms and method?
We require 100% prepay for the first order, meanwhile, we will apply for a credit allowance with our insurance company, and we can negotiate the payment terms after that. For payment methods, we accept international wire transfers and L/C.
