discovered in 2018 that an unsweetened caffeinated herbal tea drank at a cool temperature had more substantial cardiovascular health advantages than hot tea. The cold temperature was thought to encourage higher fatty acid oxidation and metabolic activity, enhancing overall cardiovascular health.
Steeping tea in cold water has been shown to provide the same antioxidant and nutritional benefits in most cases. The exception to this is white tea. White tea has been shown to actually have increased antioxidant properties when steeped in cold water instead of hot.
Antioxidants Content
The hot tea gets higher score in this domain. While steeping tea leaves in hot water, it infuses properly and extracts the flavors and nutrients into water. The rich taste and aroma along with nutrients such as flavonoids are more in terms of quantity in hot water.
Drinking tea that is too hot increases the risk of burns and esophageal cancer. Be sure to let tea cool to below 140°F (60°C) before consuming it. Additionally, true tea contains caffeine, which has negative effects in high doses in certain populations.
Many people drink tea for the antioxidants, which are believed to have health benefits. These antioxidants are found in both hot brewed and cold-brewed tea, so you'll still get the same benefits regardless of which brewing method you choose.
However, it will become cold when you just leave it there (or put in the refrigerator). Drinking cold tea does provoke our digestive systems, this is because of the heavy doses of stimulants such as theophylline and caffeine that cold tea contains, which will cause negative impacts on our health.
While we can't make any claims, the data shows that Vitamin C is more active in cold brew tea and may help boost your immune system. It also contains Vitamin D which is good for strengthening bones, and vitamin B complex may help increase your metabolism.
Best for Overall Health: Green Tea
When it comes to tea, green tea gets the gold. “Green tea is the champ when it comes to offering health benefits,” says Czerwony. “It's the Swiss Army knife of teas.
Roughly speaking, for your reference, the proper amount of time should be 4-6 minutes. With experience you can tell what color is the right hue. But no more than 20 minute, let tea leaves in boiling water for a long time can damage tea leaves and do no good to your health.
Apart from making the tea lose its nutritional properties and become contaminated, reheating the tea can also negatively impact its taste. Tannins are polyphenols responsible for the colour and flavour of the tea.
Though moderate intake is healthy for most people, drinking too much could lead to negative side effects, such as anxiety, headaches, digestive issues, and disrupted sleep patterns. Most people can drink 3–4 cups (710–950 ml) of tea daily without adverse effects, but some may experience side effects at lower doses.
Tea can be part of a healthy diet and people who drink tea may even be a little more likely to live longer than those who don't, according to a large study. Tea contains helpful substances known to reduce inflammation. Past studies in China and Japan, where green tea is popular, suggested health benefits.
Well, the short answer is yes, however, temperature can affect the benefits you are receiving from tea. For one, the slower extraction process of cold brewed tea help ensure you are getting the most out of the health benefits associated with tea. It can also help with hydration and has some other health benefits.
Water and tea are both healthy options, but if you struggle to reach the recommended fluid intake by drinking water alone, try adding healthy teas to your diet. Tea may be more beneficial to your health, and unless you're anemic or have a low caffeine tolerance, there isn't much harm.
Contrary to popular belief, green tea doesn't lose antioxidants and other phytochemicals when cold. In fact, cold water steeping increases its antioxidant capacity and catechin levels while reducing its caffeine content.
Green Tea
It's also one of the most effective teas for weight loss. There is substantial evidence linking green tea to decreases in both weight and body fat. In one 2008 study, 60 obese people followed a standardized diet for 12 weeks while regularly drinking either green tea or a placebo.
White tea is the least processed variety of tea and has the highest fat-burning micronutrients known as polyphenols. White tea helps in breaking down the fat and prevents the new fat cells from forming. White tea can also boost your metabolism by 4-5 per cent, resulting in burning an extra 70-100 more calories per day.
Moderate tea consumption of under 3 cups of tea a day can convey a myriad of health benefits, but drinking too much tea, which is exceeding 3–4 cups per day, has been linked to a few negative side effects.
In this battle over health benefits, coffee comes out on top. Coffee drinkers can raise a mug to fiber, microbiome health and lowering risk for cancer and diabetes. But tea drinkers, do not despair. Tea is undoubtedly good for your blood pressure, cholesterol, stress levels, mental health and productivity.
Research has shown that Earl Grey Tea works to improve cholesterol and blood pressure. A study in Preventative Medicine showed that enjoying three cups of Earl Grey a day encourages the production of HDL cholesterol, the good cholesterol, and triglycerides in your body.
Drinking tea before bed has been shown to help aid in a better night's sleep and high quality of sleep. This is pretty significant because so many Americans struggle with sleep issues like insomnia. Additionally, sleep issues can become worsened when you've had too much screen time and not enough exercise.
If weight loss is the benefit you are looking for from tea as a beverage, it is best to brew yourself warm cup of tea, instead of cold. To start with, a warm beverage will always up your digestion and may help you break down fat faster. Warm tea is also a great substitute for desserts after meals.
Tea and coffee are acidic in nature and having them on an empty stomach can disrupt the acid-basic balance which can lead to acidity or indigestion. Tea also contains a compound called theophylline which has a dehydrating effect and might cause constipation.