The fact is that tea, specifically black teas, stain teeth more than coffee by a significant amount. The reason this happens is quite simple. The theaflavins and thearubigins also the theabrownins which we talked about last week , that are present in oxidized teas, have a much greater affinity for the surfaces of your teeth than the staining compounds found in coffee. Tea oxidation is not like coffee roasting. During coffee roasting, heat is applied to the beans which breaks down polyphenols so darker roasted coffee in fact produces less tooth staining.
Tea oxidation on the other hand, is an enzymatic process during which polyphenols combine to form the highly staining types of polyphenols known as theaflavins and thearubigins.
Interestingly, heat is actually used to stop the oxidation process of tea. If you drink fully oxidized teas, like Black and Pu-erh teas, your teeth are going to end up with more staining than if you drank coffee. This news is a huge win for coffee drinkers out there.
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Similarly, your chances of tooth stains don't decrease if you add cream to your coffee, unless you substantially reduce the amount of coffee in your cup and replace it with cream or milk. Tea Even though coffee often looks darker than tea, tea is more likely to stain your teeth than coffee. This is because tea contains more tannins than coffee. A tannin is an organic compound found in plants, including those that produce black, white, green, and other teas.
It's what gives tea its colour—the darker the tea, the more tannins it contains. Tannins can benefit your body in many ways. In particular, they help the proteins in your body maintain their structure and function correctly. However, too many tannins can increase your risk of liver disease and blood clots, especially if you have a personal or family history of these problems.
Tannins can also interfere with your body's ability to absorb iron. And, of course, they also stain your teeth a deep yellow colour. To balance tannins' good and bad effects, consume them in moderation. You can also skip black teas and consume more white and Darjeeling teas. If you have any of the above health problems, talk to your doctor about your tannin consumption and follow his or her recommendations about how much tea you should consume. Obviously, the best way to reduce tooth staining from coffee or tea is to stop drinking them altogether.
You just finished your dinner and the server asks you if you would like coffee or tea with your dessert? If you happen to be an avid coffee or tea drinker, have you ever wondered which of these beverage mainstays is the lesser of the two evils for your smile? The answer is that tea apparently stains your teeth more than coffee. Tea contains compounds that are known to stain teeth: theaflavins, thearubigins, theabrownins and tannic acid, which creates plaque on your teeth that leads to yellowing.
These compounds penetrate the porous enamel of your teeth. The stronger the tea, the greater your risk for discoloration according to studies.
Over time, food and drinks wear away the enamel of your teeth. The enamel is the top, thin layer on your tooth and acts as a protective barrier. While coffee has been known to stain teeth over time, a dentist has now claimed that tea can have even more of a detrimental effect on the colour of your pearly whites. According to Jordan Kirk, a dental expert for dental brand White Glo, all sorts of teas can cause your teeth to discolour.
These include theaflavins, thearubigins and theabrownins, which have more of a discolouring effect on your teeth the stronger your brew. Theaflavins and thearubigins are constituents of tannin, a substance that is also used in the process of tanning leather.
Green tea allegedly contains the highest amount of tannins, as stated by Victor R Preedy, author of Tea in Health and Disease Prevention.
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