Antioxidants in Coffee

Vietnamese Coffee Exporter
Antioxidants in Coffee
Antioxidants in coffee – Everyone desires a decent cup of coffee. One reason is that coffee has the most antioxidants. Another reason is that good coffee is addictive, and I mean that positively.
Even though experts are still working to prove that coffee’s antioxidant characteristics can aid with weight loss, diabetes prevention, and cancer prevention, the globe continues to observe severe health issues affecting an alarmingly growing number of people.

What are antioxidants, and what do they do?

Chemical interactions in the body produce free radicals, which are chemicals capable of causing various human diseases, including diabetes, cardiovascular disease, and cancer if their concentration in the body is too high.

Antioxidants act as “cleaning agents,” oxidizing free radicals in the body to produce innocuous molecules that may be naturally removed from the blood and body.

The body possesses a system for producing antioxidants, but only in small amounts. When too many free radicals exist in the body, antioxidants must be supplied from food. Antioxidants are found in fruits and vegetables. Coffee contains a wide range of antioxidants.

Coffee contains antioxidants

In 2005, Joe Vinson, the principal researcher, released a study that was funded by the American Cocoa Association and revealed that coffee contains more excellent antioxidant benefits than coffee.

People have opinions. Unfortunately, the antioxidant properties he discovered only manifested after a particular stage in the roasting process at the time. This means that the beneficial antioxidants in coffee can be formed or eliminated at a certain period during the roasting process.

The following are some of the antioxidants contained in coffee:


Cafestol is found in the beans and remains after they have been decaffeinated. Cafestol acts as a bile acid modifier in the gut. It also has anti-inflammatory properties in the brain.


This substance fights bacteria and may aid in the prevention of tooth decay. Trigonelline, a bitter alkaloid found in coffee, contributes to its distinct aroma.

The trigonelline concentration of Arabica green coffee is substantially higher than that of Robusta coffee (0.6-1.3 percent vs. 0.3-0.9 percent). It’s also worth noting how it degrades when roasted.

The less Trigonelline left behind, the darker the roast. Trigonelline partially decomposes into nicotinic acid and pyridine when burned.

Vitamin B3 (or niacin) is a well-known antioxidant, often known as nicotinic acid. When 85 percent of Trigonelline is broken down, roasters can acquire vitamin B3 by demethylating it at high temperatures ranging from 160 to 230 degrees Celsius. The temperature, not the roasting time, is the most critical component in this difference.

Hydrochloric acid

Green and roasted coffee beans both contain chlorogenic acid (CGA). CGA stands for a vast number of esterified substances, according to the Journal of Nutrition; for example, it is the ester of caffeic acid

Antioxidants in Coffee

Phenolic molecules are essential in the body’s antioxidant, antibacterial, and anti-inflammatory functions. Lactones in CGA have also been demonstrated in laboratory animals to improve insulin activity. CGA could be used to treat diabetes if it is effective in humans.

Green coffee beans are the primary source of CGA, and studies on mice and humans have revealed that CGA aids in limiting fat buildup and speeding up metabolism. However, only decaffeinated coffee was utilized in this trial, and no ordinary coffee was used.

Other Phenols in the Chlorogenic Acids Group:

Hydroxycinnamic acid, in particular, contains some of the most potent antioxidant effects seen in coffee drinks. Hydroxycinnamic acid is a powerful oxidant that helps reduce oxidative stress’s negative consequences by neutralizing free radicals. Three of the wealthiest are:

Caffeoylquinic Acid (3-Caffeoylquinic Acid)
Caffeoylquinic Acid (4-Caffeoylquinic Acid)
Caffeoylquinic Acid (5-Caffeoylquinic Acid)
For example, 3-Caffeoylquinic acid, which was mentioned in two studies, comprises phenolic acid, which is prevalent in colored fruits and vegetables and is a significant component in their antioxidant properties. antioxidants abound

Mattila P., Kumpulainen J., Mattila P., Kumpulainen J., Mattila P., Kumpulainen J., Mattila P. (2002). It was investigated and assessed a sample of a 40mg/100ml coffee beverage using a spectroscopic detection instrument and published in the Journal of Agriculture and Food Chemistry (50:3660-3667). Coffee contains phenolic acids, which indicate that it has antioxidant properties.

4. Melanoidin is a type of antioxidant

Did you know that melanoidin is responsible for the distinct scent of roasted coffee?

More crucially, melanoidin is the nitrogen molecule that gives coffee its brown color. According to a study published in the US National Library of Medicine, high-molecular-weight compounds are generated during roasting and have antibacterial and anti-inflammatory activities.

Quinine is a kind of amino acid that is found in

Bitter chemicals are one of the critical components of coffee, and they are responsible for part of the beverage’s subsequent antioxidant qualities. Quinine is obtained from the bark of the cinnabar tree; a tropical evergreen tree mostly used to treat Malaria.

The bitter taste of some coffee beans could be due to high quantities of quinine. Quinine and coffee are both members of the Rubiaceae family. But, more crucially, quinine is an antioxidant that increases in concentration as the coffee is roasted darker.

In truth, quinine can be dangerous in high doses, and some people are allergic to it. On the other hand, the minuscule levels found in coffee sample testing are pretty trim and have been allowed by the Food and Drug Administration (FDA).


According to a study published in the ACS Journal of Physical Chemistry B, caffeine is an antioxidant. Caffeinated drinks can aid with headaches, weight loss, and diabetes prevention. Caffeine was recently subjected to a detailed investigation, revealing that it is structurally identical to uric acid, a well-known antioxidant.

According to Jeffrey Benabio, MD, caffeine can help men flush and “wash” their skin.

However, research into how caffeine works as an antioxidant is currently ongoing. However, it is dubious that coffee has the most caffeine — more than double the amount found in tea. If caffeine turns out to be a good antioxidant, the new findings could change how people think about caffeine worldwide.

Green and black tea both have fewer antioxidants than coffee

A group of Italian experts published another study finding that espresso coffee has a FRAP of 129. Decaffeinated coffee came in 93rd place. Ferric Reduce Antioxidant Power is the abbreviation for the FRAP test. When a drug interacts with different foods, it examines what chemical changes occur and how they occur.

Green and black tea have FRAP values of 18 and 10, respectively, on the same scale. That means the coffee has more antioxidants than both teas combined.

FRAP has yet to investigate what factors influence coffee’s antioxidant capacity or which chemicals or chemical components in coffee could be exploited as significant antioxidants.

Red wine has fewer antioxidants than coffee

While 40 percent of the 2027 respondents thought red wine was a better antioxidant answer than coffee, this could not be otherwise, according to research conducted for Nestle by polling agency YouGov. This is far from the case.

According to a 2010 study performed by researcher Perez Jimenez. J, roughly 387 mg of beneficial antioxidants in every 200 ml serving of instant coffee. According to the survey, Identifying the 100 Richest Sources of Dietary Polyphenols, red wine provides roughly 269 mg of the same benefit per 125ml serving. There may be a slight difference in presenting both in equal portions, but there is one.

Coffee: The World’s Largest Antioxidant Source

For example, only approximately 21% of Americans obtain their antioxidants from foods other than coffee in the United States. Coffee, along with oil, is the most traded commodity worldwide. Furthermore, current research suggests that coffee contains more antioxidants than tea and dark chocolate, implying that coffee has blueberries as a powerful antioxidant.

Coffee’s health benefits

Here are some of the health benefits of coffee, which are high on the list of antioxidants.

Cancer risk is reduced

Many studies have employed coffee’s antioxidant qualities to assist remove pollutants that can cause free radical damage to protein and DNA. According to Dr. David Troup of Monash University, coffee can react with damaging free radicals and help reduce their effects, who was one of the first scientists to discover that coffee had free radicals.

According to a study published in the American Journal of Clinical Nutrition, decaffeinated coffee drinkers had a 15% lower cancer risk. The impact lasts up to ten years longer than those who do not drink coffee. According to the same study, coffee use may reduce the risk of rectal cancer.

Prevents the onset of premature aging

Coffee’s antioxidants can help lower the risk of skin damage caused by UV rays and avoid cancer. As a result, coffee consumption may aid in preventing skin cancer.

Prevent cognitive deterioration

Coffee consumption may aid in the prevention of mental illnesses such as Alzheimer’s disease, Parkinson’s disease, and other kinds of dementia. Coffee was found to assist women coping with stress, despair, and suicidal thoughts in one study.

Coffee’s dangers to your health

Coffee has several adverse health effects. Excessive coffee consumption can lead to addiction and, eventually, death. Drinking more than 8 cups of coffee a day can raise harmful cholesterol levels in the blood, contributing to weight gain and diabetes.

Additionally, coffee consumption might exacerbate symptoms in men who have an enlarged prostate. Some people are allergic to specific molecules in coffee, such as the melanoidin that occurs after the coffee is roasted. Pregnant women should avoid drinking too much coffee because it can cause miscarriage.

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