This is the start of an eternal series on herbs, ingredients, knowledge to have to make yourself and your family/friends healthier. I hope you will find useful information here that you can use. Don’t take any of this as what to do in place of going to your medical practioner. I’m not a doctor. In other words, research and use common sense and caution.
Tannins are astringents. If you put a tannin on your skin, you will see it shrink and if you put it on your face wrinkles will appear. This is because tannins pull moisture out. Tannins also help pull impurities out of the skin and tannins will stop bleeding and can be applied to burns to heal the injury.
Tannins cause proteins in the cell lining to cross-link, making them less permeable to infectious microogranisms, especially fungus. Because tannins do this cross linking in the skin, it helps protect the wound, while at the same time, continuing the healing underneath the skin.
Tannin is soluble in water. Plants with tannins have astringent, antiseptic, hemostatic [causes bleeding to stop, the opposite of hemostasis is hemorrhage] and toning properties.
Tannins have the ability to to create an insulating and protective layer that soothes irritation and pain on the skin. Tannins are used to stop diarrhea, stop local, small hemorrhages, in bronchitis, burns, shrink hemorrhoids and a lot of other things. Some people with digestive difficulties may have some intolerance to tannins, so they should be careful when using them.
Tannins should not be consumed for long periods or in excess of 100 mg a day due to health problems that occur in the digestive area. Tannins also inhibit the absorption of some vitamins and minerals. Espeically the iron in plant foods. It’s better to drink tea with food to limit the absorption of iron. The addition of milk or lemon to tea also helps to reduce the effect of tannins on in the body.
The feeling inside our mouth, when we eat not-quite-ripe fruit, is from tannins. You can also feel tannins when eating fruits like berries. Tannins attach to the proteins in the saliva, creating a rough sensation in the mouth, kind of like sandpaper.
Tannins have been used as mordants, making dyes, for tanning leather, in producing wine and beer. They are consider antioxidants and are said to prevent the onset of degenerative diseases such as cancer and cardiovascular disease.
Plants with tannins: Yarrow, black tea, bananas, grape, guava, bay laurel [spice], mallow, pulsatilla, green tea, thyme, cocoa, chocolates, coffee, red wine, blackberries, white oak bark, horsechestnut, raspberry, sage, oak gall.
https://thenaturopathicherbalist.com/plant-constituents/tannins/ http://www.medicinalplants-pharmacognosy.com/pharmacognosy-s-topics/tannins/ http://www.botanical-online.com/english/tannins.htm http://medibiztv.com/articles/health-benefits-of-plant-tannins