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Flavonoids are suitable for lowering blood pressure
One study found that flavonoid quercetin can lower blood pressure. The plant substance can be found in onions, tea, grapes, citrus fruits and apples. The researchers compared numerous studies to identify the natural blood pressure lowering.
A research team analyzed 17 studies on the effects of quercetin. Thirteen of the studies examined showed a significant reduction in blood pressure through regular quercetin use. The analysis was recently featured in the journal Nutrition Reviews.
Heart disease is one of the biggest health problems
Artherosclerotic cardiovascular diseases contribute significantly to human morbidity and mortality worldwide. Heart disease is increasing at an unprecedented rate in the face of the world's aging population and is estimated to be responsible for more than 17 million deaths each year. In addition, cardiovascular diseases are associated with a reduced quality of life and cause considerable costs in the health system.
Much of the risk is in your own hands
Large-scale studies have shown that potentially changeable risk factors such as high blood sugar, high blood pressure and obesity as well as behavioral lifestyle factors such as alcohol consumption, nutritional quality, physical activity and tobacco consumption play a key role in the development of heart diseases.
Proper nutrition lowers the risk
Several recent studies indicate that certain natural products and functional foods such as nuts, spirulina algae and berries have protective cardiovascular effects. With their analysis, the researchers showed that foods containing quercetin are suitable for lowering blood pressure.
What is quercetin?
The plant pigment quercetin belongs to the class of flavonoids from the group of polyphenols and is a natural component in various foods such as fruits, vegetables, nuts, wine, black tea and onions. A large number of studies have shown that regular consumption of quercetin or foods rich in quercetin has a wide range of health-promoting effects. Accordingly, quercetin is said to have an anticoagulant, anti-inflammatory, hypotensive and hypoglycemic effect.
Versatile positive effects without harmful side effects
The results of the current meta-analysis indicate that quercetin has the ability to lower blood pressure without causing negative effects. With a longer regular quercetin consumption of more than eight weeks, the HDL cholesterol values of the participants also increased, ie the "good cholesterol".
Quercetin as a dietary supplement?
The researchers conclude that regular quercetin intake through diet can be effective in reducing the risk of heart disease. However, further studies are needed to check whether the same effect occurs with a quercetin supplement and how long term quercetin intake works. (vb)
Read also: Hypertension: Hibiscus tea can lower blood pressure.
Hypertension: Cranberry juice can alleviate high blood pressure.
Nuts reduce the risk of heart attacks and strokes.
Author and source information
This text corresponds to the specifications of the medical literature, medical guidelines and current studies and has been checked by medical doctors.
Graduate editor (FH) Volker Blasek
- Haohai Huang, Dan Liao, Yong Dong, Rong Pu: Effect of quercetin supplementation on plasma lipid profiles, blood pressure, and glucose levels: a systematic review and meta-analysis, Nutrition Reviews 2020, academic.oup.com