Tea Polyphenols Powder

Learn about the health benefits of tea polyphenol powder and organic antioxidants.

Do you want a powerful natural antioxidant?

Shaanxi Hongda Phytochemistry Co., Ltd., a manufacturer and R&D factory specializing in natural Plant Extracts for 25 years, supplies high-quality green tea extract powder, the most important component of which is "tea polyphenols powder." Scientists have confirmed that this natural chemical, rich in catechins (especially EGCG), can protect cells and eliminate free radicals. We use the latest and most advanced extraction technology to retain over 90% of the beneficial tea polyphenols in green tea, ensuring the purity and efficacy of the green tea. Every batch of our products undergoes third-party laboratory testing, making it the perfect choice for your health.

As a manufacturer of green tea extract products, we offer 50% polyphenol powder from green tea, standardized to contain 50% polyphenols, 35% catechins, 15% epigallocatechin gallate, 98% theanine, etc. Green tea extract is a powerful antioxidant that can delay signs of aging such as skin sagging, sunburn, age spots, and wrinkles. It can also regulate sleep, reduce stress, and lower body fat.

Why Choose Our Tea Polyphenols Powder?

Natural Antioxidants

Our Green Tea Extract Powder, which is three times better at stopping oxidation than vitamin C, will naturally extend the shelf life of your products.

Clean-Label Solution

This solution is non-GMO, allergen-free, and compliant with global standards such as FDA, EFSA, and ISO 22000—it contains no synthetic additives.

Functional Versatility

It is perfect for use in RTD beverages, protein bars, supplements, and baked goods. It dissolves instantly in water with a pH range of 2.0 to 8.0.

Cost-Efficient Stabilization

Replace BHA/BHT preservatives while boosting “rich in antioxidants” claims on labels.

Product Parameters

Production Process of Tea Polyphenols Powder

1. Raw Material Selection

• Made from high-quality tea leaves (preferably from the spring crop)
• Washed three times to get rid of dirt

2. Extraction

• Extraction of water at low temperatures (75–85°C)
• Preserves active polyphenols while removing unwanted compounds

3. Purification

• Specialized resin adsorption technology
• Removes caffeine and enhances polyphenol concentration

4. Concentration

• Low-pressure evaporation
• Achieves 40-50% polyphenol content

5. Spray Drying

• Converts liquid extract to fine powder
• Maintains product stability and solubility

Green Tea Extract Benefits 

1. Helps to delay aging:
Tea polyphenols powder in green tea extract are free radical scavengers in the human body, which can block lipid peroxidation reactions and remove active enzymes. The anti-aging effect is 18 times stronger than vitamin E.

2. Helps to inhibit cardiovascular diseases:
Tea polyphenol extracts are rich in catechins ECG and EGC and their oxidation products theaflavins, which help to inhibit plaque hyperplasia, avoid blood vessel blockage, inhibit thrombosis and atherosclerosis.

3. Prevent tumor diseases:
Tea polyphenol extract powder has the effect of directly killing cancer cells and improving the body's immune ability, and can prevent and assist in the treatment of various cancers such as gastric cancer and intestinal cancer.

4. Anti-radiation:
Tea polyphenol extract havs the ability to absorb the poisoning of radioactive substances strontium 90 and cobalt 60, which can reduce the radiation of harmful substances to the body to a certain extent.

5. Helps to inhibit bacteria:
Tea polyphenols have bactericidal and anti-inflammatory effects, and have inhibitory and killing effects on pathogens and viruses, and can treat bacterial infections.

6. Helps with skin care:

Shaanxi Hongda's green tea extract tea polyphenols are water-soluble substances that can clean facial oils, shrink pores, remove waste in pores, help with skin care, and delay skin aging.

Real-World Applications

1. Plant-Based Protein Drinks

Prevent flavor degradation in pea/rice protein shakes with 0.5%–1% powder addition.

2. Healthy Snack Bars

Extend freshness by 30% in nut bars without altering texture.

3. Preservative-Free Teas

Maintain clarity and aroma in bottled green/black teas for 12+ months.

Tea Polyphenols vs. Synthetic Antioxidants

Key Quality Controls:

• ✓ HPLC-verified polyphenol content (up to 98%)
• ✓ Heavy metal & microbial testing
• ✓ Moisture content <5%
• ✓ Batch-specific COA provided

Certification

Exhibitions

Flexible Ordering Options

• Trial Samples: 500g (Ready to ship in 3 days)
• Bulk Orders: 1MT+ with savings for large orders (30-day lead time)
• Mix with vitamins, probiotics, or herbal extracts to make your own blends.

FAQ

Q: What is the best amount of drinks?

A: A dose of 0.2% to 0.8% by weight strikes a good compromise between effectiveness and cost.

Q: Does it affect product taste?

A: Our neutral-flavor variant won’t alter your original profile.

Q: Can you meet organic certification needs?

A: Yes—sourced from Rainforest Alliance-certified farms.

Q: How stable is it when you process it at high temperatures?

A: Thermostable varieties can handle temperatures of 160°C/320°F for 45 minutes.

Ready to buy our green tea extract powder?

📩 Email duke@hongdaherb.com for formulation support or COA samples.