Coffee With Milk Helps Fight Inflammation

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Highlights:

• There are numerous advantages of including polyphenols in the diet. Berries like strawberries, blueberries, and raspberries are high in polyphenols, as are green tea, red wine, pomegranate, apples, nuts (such almonds and walnuts), and extra-virgin olive oil
• When polyphenols are coupled with amino acids, their anti-inflammatory activities are enhanced
• Researchers examined coffee with milk for the study, and the findings were positive

Can something as basic as a cup of coffee with milk reduce inflammation in humans? According to a new study from the University of Copenhagen, this appears to be the case. The anti-inflammatory effects of immune cells are doubled when proteins and antioxidants are combined. The researchers intend to explore the effects on human health.

How Does Inflammation Occur in Our Body?

When bacteria, viruses, or other foreign substances enter the body, our immune systems defend us by deploying white blood cells and chemical compounds. This reaction, known as inflammation, happens when tendons and muscles are overworked and are symptomatic of disorders such as rheumatoid arthritis.

What are Polyphenols?

Polyphenols are antioxidants present in humans, plants, fruits, and vegetables. The food sector also uses this class of antioxidants to prevent oxidation and deterioration of food quality, avoiding off tastes and rancidity. Polyphenols are also recognized to be beneficial to humans because they help lower oxidative stress in the body, which causes inflammation.

However, there is still a lot we do not know about polyphenols. Few studies have looked into what happens when polyphenols combine with other molecules, such as proteins mixed into meals that we eat.

‘Something as basic as a cup of coffee with milk helps reduce inflammation in humans. The anti-inflammatory capabilities are doubled when proteins and antioxidants are combined.’

In a new study, experts from the Department of Food Science at the University of Copenhagen collaborated with researchers from the Department of Veterinary and Animal Sciences to investigate how polyphenols react when mixed with amino acids, the building blocks of proteins. The outcomes have been encouraging.

Anti-Inflammatory Effect of Mixing Polyphenols in Coffee with Protein in Milk

"In the study, we show that as a polyphenol reacts with an amino acid, its inhibitory effect on inflammation in immune cells is enhanced. As such, it is imaginable that this cocktail could also have a beneficial effect on inflammation in humans. We will now investigate further, initially in animals. After that, we hope to receive research funding which will allow us to study the effect in humans," says Professor Marianne Nissen Lund from the Department of Food Science, who headed the study.

The findings were published in the Journal of Agricultural and Food Chemistry.

The researchers used fake inflammation to test the anti-inflammatory effect of mixing polyphenols and proteins. Some cells were given different doses of polyphenols that had interacted with an amino acid, whereas others were just given polyphenols in the same doses. A control group received no treatment.

The researchers discovered that immune cells treated with a mixture of polyphenols and amino acids were twice as effective at combating inflammation as cells treated alone with polyphenols.

"It is interesting to have now observed the anti-inflammatory effect in cell experiments. And obviously, this has only made us more interested in understanding these health effects in greater detail. So, the next step will be to study the effects in animals," says Associate Professor Andrew Williams of the Department of Veterinary and Animal Sciences at the Faculty of Health and Medical Sciences, who is also a senior author of the study.

"Our result demonstrates that the reaction between polyphenols and proteins also happens in some of the coffee drinks with milk that we studied. The reaction happens so quickly that it has been difficult to avoid in any of the foods that we've studied so far," says Marianne Nissen Lund.

As a result, the researcher believes that the reaction and potentially helpful anti-inflammatory impact occur when other foods containing proteins and fruits or vegetables are mixed.

"I can imagine that something similar happens in, for example, a meat dish with vegetables or a smoothie, if you make sure to add some protein like milk or yoghurt," says Marianne Nissen Lund.

Both industry and academia have recognized polyphenols' significant benefits. As a result, they are researching ways to add the appropriate amounts of polyphenols to foods to get the best quality. In this regard, fresh study findings are also promising:

Enhancing the Anti-Inflammatory Effects of Polyphenols

"Because humans do not absorb that much polyphenol, many researchers are studying how to encapsulate polyphenols in protein structures which improve their absorption in the body. This strategy has the added advantage of enhancing the anti-inflammatory effects of polyphenols," explains Marianne Nissen Lund.

Source: Medindia

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