Tea Extracts

Shanghai Freemen partners with Chengdu Wagott Bio-Tech Co., Ltd, the largest and the most professional tea extract manufacturer in China, to provide the best tea extract. Wagott Bio-Tech has two commercial scale production lines, one for organic solvent extraction and another for water extraction, both of which conform to cGMP standards. The factory’s annual capacity is 2500 MT.


Product Offerings

Review our tea extract product details and classifications, please contact us for other options

Product Name Polyphenol Catechin EGCG Caffeine
 Green Tea 70% EGCG 98 80 70  <0.5
 Green Tea 60% EGCG 98 80 60  <0.5
 Green Tea 50% EGCG, Caffeine < 1% 98 80 50  <1
 Green Tea 50% EGCG, Caffeine < 0.5% 98 80 50  <0.5
 Green Tea 50% EGCG, Granular 98 80 50
 Green Tea 45% EGCG, Caffeine < 3% 95 75 45  <3
 Green Tea 45% EGCG, Caffeine < 0.5% 95 75 45  <0.5
 Green Tea 50% Polyphenol, 15% EGCG Powder 50 30 15  <8
 Green Tea 50% Polyphenol, 15% EGCG Granular 50 30 15
 Green Tea 60% Polyphenol 60
 Green Tea 50% Caffeine  >50

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Featured Products

Shanghai Freemen’s portfolio features some of the most innovative, leading edge tea extracts


Chengdu Wagott is the largest tea extract manufacturer in the world. Wagott’s L-Theanine is the only Natural L-Theanine that is extracted from tea leaves using water ONLY.

  • Benefits: L-Theanine is responsible for the feel of relaxation after tea drinking.
  • Applications: A unique amino acid found almost solely in tea plants and the main component responsible for the exotic taste of ‘green’ tea.
  • Specifications: 20%, 35%, 40%, 98%.
  • Certificates: Organic certified. GRAS, production patent and clinical research studies are all pending.

Natural Caffeine from Tea Leaves

  • Made in USA at a manufacturing facility in Eugene, Oregon
  • Water only is used in the extraction process.
  • Organic certified, and a pesticide testing report is available with each shipment. 


  • Most important active ingredient in tea leaves
  • Antioxidant property: 100 times more effective than Vitamin C and 25 times more Vitamin E
  • Specifications: 15% up to 95%

Lipid Soluble Tea Polyphenols (LSTP)

  • LSTPs are derivatives of modified tea polyphenols
  • Soluble in oils in the temperature of 95-110℃ @ 25g/100ml. Soluble in Ethanol and Ethyl acetate
  • Assay NLT 70%
  • Can be used as an antioxidant or a flavoring ingredient


Since its establishment in 2007, innovation has been the theme for Wagott Bio-Tech as they continuously look for ways to provide the best possible products to their customers.