A controlled study from South Korea suggests regular consumption of kimchi may strengthen immune detection and regulation, offering potential support against seasonal influenza.
By yourNEWS Media Newsroom
Daily consumption of kimchi may enhance the body’s immune response to infections such as influenza, according to a new study conducted by researchers at the World Institute of Kimchi**. The findings come as flu activity remains elevated in parts of the United States.
The study, published in NPJ Science of Food**, examined the effects of kimchi intake on immune function at the cellular level. Researchers followed 39 overweight adults who were divided into three groups of 13 participants each. Two groups consumed kimchi powder daily for 12 weeks, while a control group did not. Blood analysis showed that participants who consumed kimchi exhibited increased expression of genes associated with immune recognition and pathogen elimination.
According to the researchers, kimchi appeared to activate antigen-presenting cells, which play a key role in alerting white blood cells to invading pathogens. At the same time, the immune response did not show signs of excessive activation, a process that can lead to tissue damage and inflammation.
“Our research has proven for the first time in the world that kimchi has two different simultaneous effects: activating defense cells and suppressing excessive response,” said Woo Jae Lee, the study’s lead author.
The researchers also compared fermentation methods and found that kimchi produced using a controlled starter culture triggered a stronger immune response than naturally fermented versions. The finding suggests that fermentation techniques may influence the degree of immune-related benefits.
The results come amid continued flu activity reported by the Centers for Disease Control and Prevention**, which has said influenza infections remain widespread, with pediatric deaths continuing to be reported in recent weeks.
While kimchi has long been associated with digestive health due to its probiotic content, the study is among the first to analyze its impact on immune cells at a single-cell level. Previous research has linked kimchi consumption to improved gut health, weight management, and reductions in markers associated with chronic inflammation.
Registered dietitian Michelle Routhenstein said the findings align with existing knowledge about the gut-immune connection. “This study showed that after eating kimchi daily for 12 weeks, immune cells became better at spotting potential threats and alerting other immune cells to work more efficiently,” she said.
Researchers cautioned that the study had limitations, including its relatively small sample size, and said larger trials are needed to confirm the immune effects observed. However, they noted that kimchi has a long history of safe consumption and may be incorporated into a balanced diet as a fermented food option.
As flu season continues, the study adds to growing scientific interest in how traditional fermented foods may influence immune function alongside other public health measures.
Source: Natural News
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