Category Archives: Quercetin

Quercetin in Fruits and Vegetables

Quercetin is an important phytochemical in human nutrition. Quercetin may act as an antioxidant in human tissues and appears to be bioavailable from a wide range of plant foods. Quercetin belongs to a large family of phytochemicals called flavonoids, and … Continue reading

Posted in Broccoli, Brussels Sprouts, Cruciferous Vegetables, Flavonoids, Flavonols, Garlic, Leeks, Onions, Quercetin, Shallots | Comments Off on Quercetin in Fruits and Vegetables

The Anti-inflammatory effects of Onions

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

Posted in Inflammation, Onions, Quercetin | Comments Off on The Anti-inflammatory effects of Onions

Mechanism of Action of Flavonols

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

Posted in Flavonoids, Flavonols, Kaempferol, Quercetin | Comments Off on Mechanism of Action of Flavonols

Quercetin as an Antiviral

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

Posted in Flavonoids, Flavonols, Quercetin | Comments Off on Quercetin as an Antiviral

Quercetin and the Brain

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

Posted in Antioxidant, Brain, Inflammation, Quercetin | Comments Off on Quercetin and the Brain

Quercetin as a Preservative in Fish Oils

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

Posted in Antioxidant, Fish Oils, Quercetin | Comments Off on Quercetin as a Preservative in Fish Oils

Quercetin to Treat Anxiety?

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

Posted in Anxiety, Depression, Mood, Quercetin | Comments Off on Quercetin to Treat Anxiety?

Antioxidants in Lettuce

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

Posted in Antioxidant, Caffeine, Flavonoids, Lettuce, Polyphenols, Quercetin | Comments Off on Antioxidants in Lettuce

Rutin for Anxiety

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

Posted in Anxiety, Depression, Flavonoids, Mood, Quercetin | Comments Off on Rutin for Anxiety

Quercetin as a Mood Elevating Therapy

Posted in Anxiety, Depression, Mood, Quercetin | Comments Off on Quercetin as a Mood Elevating Therapy