Log in Register

Login to your account

Username *
Password *
Remember Me

Create an account

Fields marked with an asterisk (*) are required.
Name *
Username *
Password *
Verify password *
Email *
Verify email *
Captcha *

top caasn2 new

Tannins are polyphenolic compounds that can bind and precipitate proteins 

Tannins 1 Canadian Academy of Sports Nutrition caasnand are less likely to be absorbed. They can complex with starch, cellulose and minerals as well. Tannins are color – providing pigments and astringents.


Tannins include gallic acid, ellagic acid, pyrogallic acid, punicalagin, profistinidin. Condensed tannins are called proanthocyanidins. Hydrolysable tannins include gallotannins and ellagitannins.

Food Sources:

Fruits: blueberries, loganberry, chokeberry, cranberry, grapes, persimmon, pomegranate, quince, and strawberries.

Vegetables: avocado, eggplant, and parsnip.

Others: legumes, nuts (especially hazelnuts, walnuts, and pecans), tea, and wine.

Health Benefits:

  1. Have anti-oxidative and cancer-preventing properties.
  2. Show antiviral, antibacterial and anthelmintic effects.
  3. May be useful in hereditary hemochromatosis by interfering with the absorption of iron.