Scientists from the University of California found that red wine may cause headaches in some people due to its content of plant pigments called flavonoids. results published In the journal Nature.
Typically, some people experience a headache within 30 minutes after drinking red wine. Researchers have found that this is triggered by flavonoids, which are plant pigments found in grapes. The flavonoid compound that scientists associate with headaches is called quercetin. It adds color to many fruits and vegetables. Quercetin has antioxidant properties (protects cells from destruction during oxidation).
However, when ingested together with ethanol molecules, quercetin is converted to another form called quercetin glucuronide. In this form, it blocks alcohol metabolism, which is the process by which organs and systems in the human body break down alcohol and convert it into other substances for subsequent excretion through the urinary tract. As a result, the toxin acetaldehyde accumulates in the body, causing facial flushing, nausea, vomiting and headaches.
The quercetin content in different types of wine may vary depending on the beverage production method, grape variety and location of the trees. Scientists will conduct a series of studies to find out which type of wine causes more severe headaches.
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