During recent decades, scientists have studied a lot about the effects of antioxidants with very mixed results. Antioxidants are chemicals that lessen or prevent the effects of free radicals. They donate an electron to free radicals, thereby reducing their reactivity.

What are antioxidants?

Antioxidants are substances that can combine with toxic oxidants. This combination can reduce lose their harmful properties, and prevent or stop the process of cell damage, tissue caused by oxidants. Therefore, antioxidants are considered substances that have protective and health-promoting effects.

An assortment of spices and herbs — Photo courtesy of iStock / AndreyGorulko

Antioxidants have been known since the 1990s when scientists found the ability of free radicals to cause cancer, atherosclerosis and many other chronic diseases. During recent decades, scientists have studied a lot about the effects of antioxidants on the body.

Under normal conditions, our body also produces its own antioxidants to neutralize harmful substances produced in the body. If there is an imbalance in this system, for example, too many oxidants are produced, or are penetrated from the outside, it will exceed the body's antioxidant capacity and lead to damage and disorders.

Antioxidants have a special chemical structure, with a versatile active group (Flavonoids, flavones, catechins, polyphenols, anthocyanins), they can give or attach to an electron from a free radical, forming an electric pair. This process can turn unstable, dangerous free radicals into another stable element. As a result, the chain reaction of cell destruction caused by free radicals shall be interrupted.

Many recognized natural food antioxidants include beta-carotene and carotenoids, vitamin C, vitamin E, lycopene, flavonoids and many other phytonutrients.

Origin, foods high in antioxidants

Sources of antioxidants can be natural or synthetic. Some plant-based foods are said to be rich in antioxidants. They are found in many vegetables and fruits, especially colorful ones such as berries, tomatoes, broccoli, spinach, nuts, and green tea.

Here is the amount of antioxidants found in some dried herbs:

Cinnamon: 98 mmol/100g

Rosemary : 67mmol/100g

Ginger: 22mmol/100g

Mustard: 10 mmol/100g

Cayenne pepper: 6mmol/100g

Garlic: 2mmol/100g

Coriander Ta: 2mmol/100g

Licorice Root: 12mmol/100g

There are also many plants, used as medicines and herbs, which are also rich in antioxidants. The antioxidants in these herbs such as anthocyanins, flavonoids, lutein, luteolin, polyphenols, etc. are ranked among the most powerful antioxidants. In the past, herbs were usually used to decoction and used for the sick. Today, with the advances of science and technology, it is possible to gain herb through food supplements, functional food, tea, contributing to daily supplements.

Dr. Thanh Herbal Tea is made up of nine distinct herbs. Photo: Thanh Tra

Dr Thanh herbal tea applies fully automatic and modern closed aseptic filling technology to effectively extract the essences of 9 herbs including: honeysuckle, chrysanthemum flower, dried herbs, etc. Dan Hoa, Licorice, Arhat Fruit, Bung Lai, Tien Thao, Myrrh Flower. Thanks to that, the antioxidant components in these 9 ingredients can be extracted, removed potentially harmful impurities and put into the body in the form of an easy-to-drink, easy-to-use tea for many subjects. The ingredients in herbal tea Dr. Bars have also been researched to have an antioxidant effect, helping to scavenge free radicals and reduce damage caused by free radicals, helping to minimize the effects of aging.

Dr. Thanh Herbal Tea is one of the Tan Hiep Phat Group's ongoing achievements, alongside Number One and Zero Degree Green Tea. After only 45 days of study and manufacturing employing modern technology, Dr. Thanh was released.

"Dr. Thanh exhibits high safety when testing on animals by giving them the highest possible dose of product in liquid form, and when experimenting on volunteers by letting them consume the end products every day," according to research led by Nguyen Van Minh at Vietnam Military Medical Academy. According to the study, the tea has a high antioxidant capacity and has a significant impact on liver function and overall health.

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