are tannins harmful
Tannins are natural organic matter that can result from nature’s fermentation process as water passes through the ground in peaty areas or through levels of decaying vegetation. Tannins are typical found in shallow wells, in swampy or marshy areas as well as coastal areas. Consider the claim. Good for you or bad for you are concepts so broad that someone with no technical knowledge in the area can say that x is good for you and that y is bad for you, and not bother to tell you why. In this article they say the are bad for your and Livestrong.com says the opposite. I want to know because I love a strong bitter taste in my tea, so I generally use two tea bags and squeeze them out. And when I want looseleaf I use a lot of leaves in the infuser and squeeze that out as well. 6 comments. Tannins and human health: a review. Chung KT, Wong TY, Wei CI, Huang YW, Lin Y. Department of Microbiology and Molecular Cell Sciences, University of Memphis, TN 38152, USA. Tannins (commonly referred to as tannic acid) are water-soluble polyphenols that are present in many plant foods. In wine, tannin is a textural element that makes wine taste dry. Tannin is a naturally occurring polyphenol found in plants, seeds, bark, wood, leaves, and fruit skins. About 50% of the dry weight of plant leaves are tannins. As a characteristic of wine, tannin adds both bitterness and astringency, as well as complexity. The growth of many fungi, yeasts, bacteria, and viruses was inhibited by tannins. Tannins are found in many of the foods you eat, including fruits, teas, wine and edible grasses -- like corn. Tannin blocks the orifices of tiny cells in the body, which absorbs nutrient from eaten food. Although aesthetically displeasing, tannins do not pose a health issue. However, if tannins are found in the water, it can indicate that your water is significantly influenced by surface water. Put simply, this means that if tannins can travel easily from surface water to your groundwater source, pathogens can easily travel through as well. Tannic acid, a type of tannin. A bottle of tannic acid solution in water. Tannin powder (mixture of compounds). A tannin (or tannoid) is an astringent, polyphenolic biomolecule that binds to and precipitates proteins and various other organic compounds including amino acids and alkaloids. Tannins + Health = Good There is actually a study on the effects of wine and tea tannin and oxidation in the body. In the tests, wine tannin resists oxidation whereas tea tannin did not. In other words, it may be super good for you. You can read the synopsis here. Tannins and human health: a review. Chung KT, Wong TY, Wei CI, Huang YW, Lin Y. Source. Department of Microbiology and Molecular Cell Sciences, University of Memphis, TN 38152, USA. Abstract. Tannins (commonly referred to as tannic acid) are water-soluble polyphenols that are present in many plant foods.
No, Tannins are found in many of the foods you eat, including fruits, teas, wine and edible grasses like corn