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Quercetin: what is it for and in what foods is it found

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Quercetin is a type of flavonoid that gives color to certain foods of vegetable origin and is found in various fruits and vegetables, such as manzana, cherries, onions, peppers, capers, among others.

The consumption of foods rich in quercetin is an excellent way to stimulate and strengthen the immune system, as it is an antioxidant compound that eliminates the free radicals of the organism, so it prevents damage to the cells and DNA and can, therefore, , prevent the appearance of cancer or the emergence of chronic diseases.

In addition, foods considered functional due to the presence of quercetin have anti-inflammatory and antihistamine action that help protect against heart disease and alleviate some symptoms of allergic problems, such as nasal secretion, hives and sore lips.



what is it for

Quercetin is widely used to prevent the appearance of various health problems, which is why it can be used for the following purposes:

  • Strengthen the immune system;
  • Eliminate the accumulation of free radicals in the organism;
  • Lowering “malo” (LDL) cholesterol levels;
  • Decrease the probabilities of having a heart attack or stroke;
  • Reduce the symptoms of food or respiratory allergies.

Likewise, quercetin can also be used to help prevent the development of cancer or to complement the clinical treatment of various types of cancer, as it is capable of improving the immune system.

List of foods rich in quercetin

Food (100 g) quantity of quercetin
capers 180 mg
yellow pepper 50.63 mg
Buckwheat 23.09 mg
onion 19.36 mg
Arándano 17.70 mg
Manzana with cascara 4.42 mg
red grape 3.54 mg
broccoli 3.21 mg
canned cherries 3.20 mg
lemon 2.29 mg

There is no recommended dose for the daily amount of quercetin; however, it is suggested not to exceed 1 g of quercetin per day, as it can cause kidney damage, contributing to the appearance of renal failure, for example.

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Consult a Doctor | Translated by User2937

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Disclaimer – (English version>) This content has been prepared based on information from research, additional publications, or the translation/verification work of a volunteer editor of this web council. This is a non-profit service. It is strongly recommended that all details and information published be carefully verified. We never allow medication recommendations, medication package inserts or any medication guidance. We never allow partisan politics as information.

Isenção de responsabilidade – (versão em português): Este conteúdo foi preparado com base em informações de pesquisas, publicações adicionais ou no trabalho de tradução/verificação de um editor voluntário deste conselho web. Este é um serviço sem fins lucrativos. É altamente recomendável que todos os detalhes e informações publicadas sejam verificadas cuidadosamente. Nunca permitimos recomendações de medicamentos, bulas ou qualquer orientação sobre medicamentos. Nunca permitimos a política partidária como base para checagem. Para mais informações, leia nossos termos.

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