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You are here: Home / For the Love of Tea / Health Benefits of Tea / Add Milk to Your Tea? Not So Fast!

Add Milk to Your Tea? Not So Fast!

May 4, 2011 by Emily 1 Comment

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The Republic of Tea Organic Raspberry Leaf SuperHerb Tea For Women's Health

We’re all familiar with the amazing health benefits of tea – green tea, black tea, and white tea are touted for many benefits, in addition to tasting spectacular. Beyond spectacular. One of the benefits tea is most applauded for its effects on cardiovascular health. But did you know that adding milk to your favorite tea actually NEGATES (as in wipes out) these benefits?  When it comes to tea, the answer to the age old question of, “Got Milk?” is “I hope not!”

According to the experts, the culprits in milk is a group of proteins called caseins. When these guys interact with tea, they actually decrease the concentration of catechin (the flavonoids in tea that are responsible for its protective effects against heart disease!).

“There are a lot of studies that show that tea is protective against cardiac diseases,” said lead researcher Dr. Verena Stangl, professor of cardiology at the Charite Hospital, Universitatsmedizin-Berlin, in Germany. “If you look at the studies, you see that in Asia there are less cardiac diseases, but in England that’s not the case. So the question is, is the addition of milk a reason for this difference between Asia and England, where tea is often taken with milk?”

From the Ceylon Tea Company:

In the study, 16 healthy postmenopausal women drank either half a liter of freshly brewed black tea, black tea with 10 percent skimmed milk, or boiled water on three different occasions under similar conditions. The researchers then measured the function of the cells lining the brachial artery in the forearm, using high resolution ultrasound before and two hours after tea consumption.

Stangl’s team found that black tea significantly improved the ability of the arteries to relax and expand. “But when we added milk, we found the biological effect of tea was completely abolished,” she said.

Additional experiments on rat aortas and rat endothelial cells — which line blood vessels — found that tea relaxed the vessels. But adding milk blunted the effect.

“If you want to drink tea for its health effects, don’t drink it with milk,” Stangl said.

The study findings are published in the Jan. 9 online edition of the European Heart Journal.

Stangl noted that not only does milk block tea’s benefits for blood vessels, it also destroys the antioxidant effects of tea and perhaps its cancer-protective effects as well.

She said her team is also comparing the effects of green and black tea on the function of blood vessels. “It’s a question whether green tea, with its higher catechin content, is better than black tea in regard to endothelial function,” she said.

One expert agreed that you should hold the milk when drinking tea.

“This is actually something we tell patients to do — not to have milk in tea,” said Dr. Robert Vogel, a professor of medicine at the University of Maryland Medical School.

Tea is one of the greatest sources of antioxidants, Vogel said. “In countries where they drink a lot of tea, heart disease is decreased, except for the British Isles. It is typical in Great Britain to add milk.”

Vogel’s advice is simple. “Add lemon not milk. You should not add milk or cream to tea — it’s a very good drink, but not with milk,” he said.

Filed Under: Health Benefits of Tea, Tea News Tagged With: health benefits of tea, heart health benefits of tea

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  1. alisa says

    June 9, 2011 at 9:36 AM

    As it fulfills its primary task, we can say that this article may be a good one.

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