Protocatechuic acid (PCA, 3,4-dihydroxybenzoic acid) is a phenolic compound found in many food plants such as Olea europaea (olives), Hibiscus sabdariffa (roselle), Eucommia ulmoides (du-zhong), Citrus microcarpa Bunge (calamondin), and Vitis vinifera (white wine grapes). PCA content varies ...
Tannins are naturally occurring chemical compounds, known as polyphenols, found in many plants. In grapes, these compounds are found in the skin, seeds, and stems, and act as a defense mechanism against animals and insects. When it comes to aging wines, tannins can be imparted by wood barre...
Secondary metabolites which are phenolic in chemical character, belong to the most widespread constituents of higher plants and their presence is believed to be largely responsible for beneficial influence on human health of various vegetal foods, herbs and spices. Modern pharmacognosy, backed up by ...
Polyphenols are divided into four primary groups: phenolic acids, lignans, stilbenes, and flavonoids.[2] Plants with polyphenol activity have played a major role in traditional Chinese and Ayurvedic medicine for centuries. With an anti-inflammatory action, support for the liver, and promoting normal...
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Propolis is a natural bee product collected by bees from plants’ leaves, stems, and buds. This is a term that was used in ancient Greece, where “pro” means “before” or “entrance,” and “polis” means “city.” Bees collect resinous substances and mix them with their saliva and ...
Urban soil communities are a unique com- bination of both native species that survive or thrive in the urban landscape and species that have been introduced from other regions or continents. Management practices also contribute to the uniqueness of urban soil communi- ties. For instance, ...
Polyphenols are a category of chemicals that naturally occur in plants. There are more than 500 unique polyphenols. These compounds give a plant its color and can help to protect it from various dangers. When you eat plants with polyphenols, you reap the health benefits of them as well. ...
Plants rich in luteolin have been used in Chinese traditional medicine for treating various diseases such as hypertension, inflammatory disorders, and cancer. What are the benefits of quercetin supplements? Possible health benefits of quercetin include: Fighting free radicals. Quercetin has antioxidant ...
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