Knowledge Tree
polyphenols
Also known as: polyphenol
Facts (31)
Sources
Ethnobotanical and Food Composition Monographs of Selected ... ouci.dntb.gov.ua 7 facts
measurementThe seeds of Ziziphus lotus contain significantly higher levels of protein (8.37 to 27.75%), lipid (35.39 to 48.01%), potassium (125.874 to 325.408 mg. 100−1 g), polyphenol (439.465 to 1349.46 mg.GAE.100 g−1), flavonoid (83.908 to 98.259 mg.QE.100 g−1), tannins (55.268 to 277.94 mg.GAE.100 g−1), and chlorophyll b (11.2 to 30.4 μg g−1) compared to the fruit pulp.
referenceBarboni et al. (2010) characterized the volatiles and polyphenols of alcoholic beverages prepared from Corsican Myrtus communis berries to assess their quality.
referenceAndarwulan et al. (2012) analyzed the content of polyphenols, carotenoids, and ascorbic acid in underutilized medicinal vegetables, published in the Journal of Functional Foods.
referenceMales, Zuntar, Nigovic, Plazibat, and Vundac (2003) performed a quantitative analysis of the polyphenols found in the aerial parts of rock samphire (Crithmum maritimum L.).
referenceF. Conforti et al. published a study in 2011 in Food Chemistry on the bioactive phytonutrients (omega fatty acids, tocopherols, polyphenols) of non-cultivated Mediterranean vegetables, including their in vitro inhibition of nitric oxide production and free radical scavenging activity.
referenceF. Conforti et al. published a study in 2009 in Food Chemistry regarding the protective ability of Mediterranean dietary plants against oxidative damage, specifically examining the role of radical oxygen species in inflammation and the content of polyphenols, flavonoids, and sterols.
procedureTotal antioxidants in the studied edible plant species were measured using 2.2-diphenyl-1-picrylhydrzyl hydrate (DPPH), and total polyphenols content was measured via the Folin-Ciocalteu procedure.
Investigation of nutritional and phytochemical properties of wild ... nature.com Dec 9, 2025 5 facts
claimThe quantitative analysis of Achyranthes aspera L. leaves, Berberis lycium Royle roots, and Vitex negundo L. leaves was performed using UPLC-PDA, which confirmed the presence of polyphenols and flavonoids in their methanolic extracts.
procedureThe analysis of polyphenols in medicinal plant samples is conducted using the UPLC-PDA method employing a sonication procedure, with presence confirmed by contrasting UV spectra of standards with the retention duration of the samples.
referenceUltra Performance Liquid Chromatography–Photodiode Array (UPLC-PDA) is an analytical technique used to identify and quantify phytochemicals in plant materials by detecting bioactive compounds like polyphenols, flavonoids, and alkaloids based on their UV absorbance and retention time.
claimThe study of the nutraceutical value of medicinal plants aims to confirm traditional uses, understand nutritional and medicinal benefits, encourage use as natural health supplements, support conservation, and examine the presence of polyphenols and flavonoids in methanolic extract using 270 nm wavelength.
claimResearchers analyzed the medicinal plants Achyranthes aspera L., Berberis lycium Royle, and Vitex negundo L. gathered from the Renukaji Wildlife Sanctuary in Sirmaur for polyphenols and flavonoids using the UPLC-PDA method (Waters Acquity UPLC H-class).
Medicinal plants: bioactive compounds, biological activities ... frontiersin.org 4 facts
claimPlant-derived chemicals, including quinones and polyphenols, produce reactive oxygen species in microbial cells, which surpass antioxidant defenses and induce oxidative damage.
claimPolyphenols are categorized into four distinct groups: phenolic acids, flavonoids, tannins, and stilbenes.
claimPolyphenols and tannins disrupt quorum sensing, which is a critical communication mechanism for biofilm development.
referenceSaad AM, Mohamed AS, El-Saadony MT, Sitohy MZ. authored 'Palatable functional cucumber juices supplemented with polyphenols-rich herbal extracts' published in LWT in 2021.
Pharmacological Uses of New Bioactive Compounds from Medicinal ... academia.edu 2 facts
Pharmacological Uses of New Bioactive Compounds from Medicinal ... ouci.dntb.gov.ua 2 facts
Ethnobotanical study of wild edible plants in the mountainous ... link.springer.com Oct 4, 2024 2 facts
claimCapparis spinosa and Ferula species have high nutritional value, containing beneficial components such as polyphenols and minerals, and are widely used in native culture for making pickles.
claimCrataegus species are abundant in amino acids, minerals, vitamins, and bioactive components such as polyphenols, flavonoids, and triterpenoids.
Medicinal plants and human health: a comprehensive review of ... link.springer.com Nov 5, 2025 1 fact
claimPolyphenols from green tea and proanthocyanidins from grape seeds exhibit T-cell modulatory effects in models of autoimmune diseases by regulating transcription factors such as T-bet, GATA-3, and Foxp3.
Wild edible plants for food security, dietary diversity, and nutraceuticals frontiersin.org Nov 27, 2025 1 fact
claimBioactive compounds in wild edible plants include short peptides, polyphenols, phytosterols, carotenoids, vitamins, short-chain fatty acids, terpenoids, and polysaccharides, which vary in structural groups, functions, distribution, and bioavailability, according to Galanakis (2017).
Vernonia amygdalina: a comprehensive review of the ... frontiersin.org 1 fact
referenceNowak et al. (2022) conducted a phytochemical analysis of polyphenols in leaf extract from the Vernonia amygdalina Delile plant growing in Uganda.
Phytochemical and Pharmacological Studies of Traditionally Used ... heraldopenaccess.us 1 fact
claimPolyphenol-rich extract of Murraya koenigii exhibits hepatoprotective potential in an in vivo study.
Phytobioactive compounds as therapeutic agents for human ... onlinelibrary.wiley.com Apr 17, 2023 1 fact
claimPolyphenols, alkaloids, terpenes, and polysaccharides isolated from medicinal plants exhibit antioxidant, anticancer, cytotoxic, and anti-inflammatory biological activities.
Dietary Guidelines and Quality - Principles of Nutritional Assessment nutritionalassessment.org 1 fact
procedureThe development of diet quality indices requires researchers to make several methodological decisions, including selecting component parts (foods, food groups, nutrients, or substances like fiber or polyphenols), determining classification rules (e.g., whether potatoes count as vegetables or juice counts as fruit), and deciding whether to measure intake in absolute terms (grams) or relative terms (grams per 1000kcals).
Ethnobotanical study of food plants used in traditional medicine in ... link.springer.com Nov 26, 2025 1 fact
claimLeaves are rich sources of secondary metabolites, including polyphenols, alkaloids, carotenoids, and vitamins, which provide antimicrobial, antioxidant, and anti-inflammatory properties, as demonstrated by studies [48, 49].
Nanomaterials in the future biotextile industry: A new cosmovision to ... frontiersin.org Dec 1, 2022 1 fact
claimPlants facilitate the bio-reduction, stabilization, and protection of nanoparticles through secondary metabolites, including polyphenols, terpenoids, proteins, and sugars.
Medicinal plants meet modern biodiversity science - OUCI ouci.dntb.gov.ua 1 fact
claimPhytochemical analysis of Dichrostachys cinerea confirms the presence of biologically active compounds including flavonoids, polyphenols, alkaloids, saponins, terpenoids, and tannins.