Category Archives: Polyphenols

Polyphenols as Food Preservatives

Polyphenols are phytochemicals synthesised in plant tissues. Polyphenols are useful in the preservation of foods because they have a number of properties that make them reduce spoilage rates. Polyphenols are antibacterial in nature and as such they can reduce the … Continue reading

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Dietary Polyphenols as Anti-Ageing Phytonutrients

Polyphenols are phytochemicals contained within all plant tissue. They are generated by plants as part of the natural metabolic processes in plants. Consuming plants supplies polyphenols to animals and humans, where many of them are bioavailable. Dietas rich in fruits … Continue reading

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Strawberry Polyphenols and Ripening

Strawberries are a rich source of nutrients including carboxylic acids, polyphenols, vitamin C and cinnamates. Anthocyanins are a group of flavonoid polyphenols that are present in strawberries in high concentrations, and are responsible for the red colour of the fruit. … Continue reading

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The Polyphenol Content of Ripening Apples

Apples are a rich source of polyphenols including catchins of the flavonoid group and chlorogenic acid. It is thought that the polyphenols in apples are responsible for some of the health benefits of apples. The browning of apples during the … Continue reading

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The Nutritional Content of Brassica Plants

The brassica family of plants are a nutritionally important group of plants that include kale, Brussel sprouts, watercress, broccoli, cabbage and cauliflower. These plants have been evidence to confer beneficial health effects to humans. The plants contain a range of … Continue reading

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A High Polyphenol Diet and Mood

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

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

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

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

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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