Quercetin and inflammation response
Does quercetin respond to healthy inflammation? Are quercetin and other Sophora Japonica extract possible for the treatment of respiratory syndrome? These questions come again into the researchers’ minds. With the pandemic covid-19 is around the world everywhere, researchers are looking for some medicine or chemicals to fight against respiratory syndrome. More and more naturally sourced compounds and herb medicine are in the scope, of quercetin, for instance. And quercetin is one of the active ingredients that may have the ability against the respiratory syndrome coronavirus as quercetin shows a healthy inflammation response in some research.
Quercetin is one of the most abundant dietary flavonoids. It is found in many fruits, flowers, vegetables, leaves, seeds, and grains. And quercetin has a bitter flavor and is used as an active ingredient in dietary supplements.
Quercetin has a good antiviral history as it has been shown to have antiviral effects against both RNA (e.g., influenza and coronavirus) and DNA viruses (e.g., herpesvirus) in past research. In addition, quercetin has a pleiotropic role as an antioxidant and anti-inflammatory, modulating signaling pathways that are associated with post-transcriptional modulators affecting post-viral healing. This is a good foundation of quercetin for respiratory syndrome curing.
Moreover, based on quercetin’s healthy responding to inflammation, past studies have shown that quercetin showed potent ability against some viruses, such as enterovirus, Middle East respiratory syndrome coronavirus (MERS-CoV), and the severe acute respiratory syndrome coronavirus (SARS-CoV).That is to say, quercetin for respiratory syndrome healing is once assured.
Especially, the deferoxamine, a type of quercetin, reduces serum and tissue iron, enhancing the inflammatory condition. It reduces interleukin-6 (IL-6) and increases interleukin-10 (IL-10) expression. In a word, Quercetin for respiratory syndrome application needs more testing data. And quercetin may be another choice of natural sourced ingredient for anti-covid-19 after Echinecea and andrographis extract.
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