Category Archives: Flavonoids

Kaempferol: Central Nervous System Activity

Posted on October 11, 2022 by Robert Barrington

Kaempferol is a flavonoid belonging to the flavonol subgroup. Kaempferol has been researched for its beneficial effects on health. Kaempferol is not as commonly consumed as other dietary flavonoids as its content in food is limited, but broccoli, endive and … 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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Icariin: Safety and Pharmacokinetics

Posted on August 31, 2022 by Robert Barrington

Icariin is a flavonoid derived from the plant Epimedium (horny goat weed). Evidence suggests that icariin is a phosphodiesterase type-5 inhibitor, as is sildenafil, the active ingredient in viagra. This may explain its beneficial effects of reproductive function. In addition, … Continue reading →

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Anthocyanins and the Gut Microbiome

Posted on August 24, 2022 by Robert Barrington

Anthocyanins are a group of flavonoids that are synthesised in plants and responsible for many of the red, blue and purples colours of fruits, particularly berries. Anthocyanins have important health effects in humans. Evidence suggests that certain anthocyanins are bioavailable … Continue reading →

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Antioxidants in Himalayan Plants

Posted on August 8, 2022 by Robert Barrington

Flavonoids and phenolic acids are polyphenols produced in plants as secondary metabolites. Within plant tissue they have important functions and help to protect the plants from environmental damage and pathogens. Consuming diets high in flavonoids and phenolic acid containing plants … Continue reading →

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Rhizoma Drynariae as a Treatment for Osteoporosis

Posted on August 4, 2022 by Robert Barrington

Rhizoma drynariae is the dry root tuber of the perennial fern Drynaria fortunei. Rhizoma drynariae is found in the Guangdong, Guangxi and Sichuan provinces in China. Evidence suggests that Rhizoma Drynariae may have significant medical effects, particularly on account of … Continue reading →

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Flavonoids for Inflammation

Posted on August 3, 2022 by Robert Barrington

Flavonoids are a group of secondary metabolites synthesised by all plants. They accumulate in plant tissues and when the plants are consumed by animals and humans, the flavonoids enter the gut. Here they are metabolised extensively and there is good … Continue reading →

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Flavonoids in Sunflowers

Posted on August 2, 2022 by Robert Barrington

Flavonoids are a subgroup of the polyphenols synthesised in plants as secondary metabolites. The main function of flavonoids in plants is to protect the tissues of the plants from environmental damage as well as tissue injury from predators. There are … Continue reading →

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Mint species (Lamiaceae) as a Source of Flavonoids

Posted on August 1, 2022 by Robert Barrington

Mint plants (Lamiaceae) are perhaps best known for their characteristic essential oil. This oil has a very distinct minty aroma on account of the volatile oils that it contains. Many of the health effects of the mint family of plants … Continue reading →

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