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WHAT ARE TANNINS IN TEA

5/13/2019

 
TAIWAN BLACK TEA
Tannins are present in naturally occurring substances and organic matter, including leaves and wood. It is used in the tanning of leather, hence the name. Tannins in tea, give the beverage its astringency. 

Teas with high levels of tannins have a bitter taste accompanied by strong astringency, seen especially in green and black tea. The tannins found in tea are thearubigins, most prominently theaflavins. When the anti-oxidising agents such as catechin in the tea become oxidised, theaflavins are produced.

Tannins in tea are responsible for the antioxidant activities of black and other dark teas. They have both positive and negative effects on the body. The positive health benefits of tannin come from its anti- carcinogenic and anti-mutagenic properties, mostly due to its anti-oxidising nature.
​

Tannins also remove harmful microbes from the body, and fight against harmful bacteria, viruses and fungi. By speeding up blood clotting, tannins also have a healing effect on cuts and wounds. Other beneficial properties of tannins include stabilizing blood pressure. 


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  • HOME
  • COMPANY
    • GROWING LEADER
    • GROWING UP
  • Showroom
    • TAIWAN TEA >
      • TAIWAN BLACK TEA
      • TAIWAN GREEN TEA
      • TAIWAN OOLONG TEA
      • TAIWAN FRUIT TEA & OTHER
    • KITCHEN UTENSILS >
      • Tornado Potato Twister Cutter JF-9901
      • Japanese Turning Vegetable Slicer YT-8602
      • Turning Type Vegetable Shredder with Cordless Screw Driver ST-9705
      • Vegetable Mandolin Slicer YT-9104
      • Super Mandolin Slicer (Jumbo) ST-9804
      • Vegetable Peeler Blades (Serrated & Julienne) ST-9701
      • Serrated & Julienne Peelers ST-9308
    • BATHROOM EQUIPMENT >
      • Dry Soap Dish ST-9409
    • NATURE FERTILIZERS >
      • Nature Fertilizer HS-8605
    • NATURAL PESTICIDES >
      • Plant Protectant GU-10801
      • Diatomaceous Earth GU-10802
      • Chitin GU-10803
      • ORGANIC HERBICIDE GU-10804
    • SOIL CONDITIONER >
      • SOIL CONDITIONER (LINK SOIL) NG-9810
    • OTHER >
      • High Speed Meat Band Saw HY-9906
      • WIRE NETS/ SIEVES / STRAINERS JBS1011103
  • DOWNLOAD
    • KITCHEN UTENSILS
    • NATURE FERTILIZERS >
      • Link-ROOT & TG
      • Link-FLORA & TG
      • Link-N.N. & TG
      • GPL-37
    • NATURAL PESTICIDES >
      • Link-Bta.
      • LinkNoPests-PLUS
      • Link-Algae
      • Link-Chitosan
      • LinkNoWeed
    • SOIL CONDITIONER >
      • LINK-SOIL
    • TAIWAN TEA
  • Contact us
  • NEWS / EVENTS
    • SERIES OF TAIWAN TEA
    • SERIES OF NATURAL FERTILIZER & NATURAL pesticides
    • SERIES OF Kitchen utensils
  • Q & A
    • Kitchen Utensils Q&A
    • Nature Fertilizer Q&A >
      • Nature Fertilizer of Professional Concern
    • Organic Pests Control Agent Q&A
    • Soil Conditioner Q&A