Category Archives: Quercetin

The Anti-inflammatory effects of Onions

Posted on December 1, 2023 by Robert Barrington

Onions are commonly eaten food that contains a range of important phytochemicals that may play a significant role in human health. Some of the main essential nutrients in onions include vitamin C, pyridoxal and folic acid. The mineral content of … Continue reading →

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Mechanism of Action of Flavonols

Posted on October 11, 2022 by Robert Barrington

Flavonols are a group of flavonoids including quercetin and kaempferol. In a wider context they form part of the polyphenol group of phytochemicals. Like most polyphenols, flavonols act as antioxidants and this may explain the mechanism of action. Further evidence … Continue reading →

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Quercetin as an Antiviral

Posted on October 10, 2022 by Robert Barrington

Quercetin is a flavonol that belongs to the larger phytochemical category of the flavonoids. Flavonoids are polyphenols as their structure is that of a number of phenolic rings. These rings give flavonoids antioxidant properties, and it is for this that … Continue reading →

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Quercetin and the Brain

Posted on August 29, 2022 by Robert Barrington

Quercetin is a phytochemical that belongs to the flavonoid group of polyphenols. Evidence suggests that quercetin is bioavailable in humans, where it may confer health effects due to its antioxidant and anti-inflammatory effects. Quercetin may protect brain tissue because of … Continue reading →

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Quercetin as a Preservative in Fish Oils

Posted on July 29, 2022 by Robert Barrington

Fish oils are a source of long chain fatty acids that feed into the essential fatty acid pathways in humans. This means that fish oils can help modulate the cellular need for essential fats to make important cellular hormones. Supplementing … Continue reading →

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Quercetin to Treat Anxiety?

Posted on November 30, 2021 by Robert Barrington

Quercetin is a phytochemical that belongs to the flavonol sub-group of flavonoids. The molecule is hydroxylated three times, and each hydroxyl group can interact with a free radical to reduce oxidative stress. This gives quercetin a good antioxidant potential, and … Continue reading →

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Antioxidants in Lettuce

Posted on August 19, 2021 by Robert Barrington

Lettuce is an important vegetable for the luxury market where low energy intake where low energy foods are desired. Lettuce has a high water content and is devoid of any real calorific value. However, many varieties of lettuce do have … Continue reading →

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Rutin for Anxiety

Posted on February 7, 2021 by Robert Barrington

Flavonoids have been shown to have anti-anxiety and antidepressant effects in humans and animals. Rutin is a glycoside of the flavonoid quercetin (quercetin-3-O-rutinoside). This means that it is a quercetin molecule bound to a sugar molecule. Rutin is found in … Continue reading →

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Quercetin as a Mood Elevating Therapy

Posted on January 2, 2021 by Robert Barrington
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Quercetin-3-O-Rutinoside

Posted on March 15, 2020 by Robert Barrington
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