Category Archives: Polyphenols

A High Polyphenol Diet and Mood

Posted on October 27, 2021 by Robert Barrington

Polyphenols are a group of phytonutrients characterised by their phenol ring structure. This structure makes them chemically useful antioxidants as the hydroxyl groups are able to donate electrons, becoming oxidised in the process, but the unpaired electronic structure does not … Continue reading →

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Phenolic Compounds Modulate Brain Function

Posted on October 26, 2021 by Robert Barrington

Phenolic compounds are abundant in plants as they are used by the plants as secondary metabolites. When humans and animals eat the plants they can absorb the phenolic compounds or their metabolites following bacterial alteration, and this may provide significant … 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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Antimicrobial Effects of Plant Phenols

Posted on August 18, 2021 by Robert Barrington

One group of phytochemicals in plants, the polyphenols, have been shown to benefit health in a number of ways. The antimicrobial effects of polyphenols are widely reported and many polyphenols in plants are able to inhibit the growth of a … Continue reading →

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Green Tea: Protective Effects Against Stress

Posted on July 7, 2021 by Robert Barrington

Green tea is a rich source of polyphenolic phytochemicals. In particular it contains high amounts of the catechin variety of flavonoids. Evidence suggests that these catechins may have health benefits in humans and animals. One protective effect of green tea … Continue reading →

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The Vitamin C and Polyphenol Content of Peaches

Posted on May 7, 2021 by Robert Barrington

Fruit is an excellent source of nutrients, particularly antioxidants. Peaches contain high amounts of vitamin C and polyphenols, both of which have been shown to have antioxidant effects in humans and animals. Studies have investigated the vitamin C and polyphenol … Continue reading →

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Polyphenols Protect from Neuroinflammation

Posted on May 5, 2021 by Robert Barrington

Polyphenols are a large group of phytochemicals that may have biological effects in animals and plants. One group of polyphenols, the flavonoids, have been extensively investigated for their mood elevating effects. There are substantial structural differences between the various polyphenol … Continue reading →

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The PPA Axis and Neuroinflammation: Polyphenols

Posted on May 3, 2021 by Robert Barrington

Peroxisome proliferator-activated receptor (PPAR) is a ligand activated transcription factor present in brain (and other) tissue. The PPAR can modulate neuroinflammation by regulation of the steroid hormone allopregnanolone, which can have a subsequent and significant anti-inflammatory effect. The anti-inflammatory effects … Continue reading →

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Polyphenols as Mood Enhancers

Posted on February 4, 2021 by Robert Barrington

Polyphenols are a large group of phytochemicals that are found in all plants. Edible plants contain polyphenols and evidence suggests that they are absorbed and metabolised in humans and animals. Polyphenols have a number of health effects, and in particular … Continue reading →

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Polyphenols: Antimicrobials

Posted on September 19, 2020 by Robert Barrington
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