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Class of chemical compounds
Polyphenols (/ˌpɒliˈfiːnoʊl, -nɒl/) are a large family of naturally occurring phenols. They are abundant in plants and structurally diverse. Polyphenols
Polyphenol
Enzyme involved in fruit browning
Polyphenol oxidase (PPO; also polyphenol oxidase i, chloroplastic), an enzyme involved in fruit browning, is a tetramer that contains four atoms of copper
Polyphenol_oxidase
Unoxidized tea
green tea desired. As a result of these methods, maximum amounts of polyphenols and volatile organic compounds are retained, affecting aroma and taste
Green_tea
Chemical compounds in which hydroxyl group is attached directly to an aromatic ring
phenol, C 6H 5OH. Phenolic compounds are classified as simple phenols or polyphenols based on the number of phenol units in the molecule. Phenols are both
Phenols
Wine chemistry
Phenolic compounds—natural phenol and polyphenols—occur naturally in wine. These include a large group of several hundred chemical compounds that affect
Phenolic_content_in_wine
Catechin (polyphenol) in tea
and is a type of catechin. EGCG—the most abundant catechin in tea—is a polyphenol under basic research for its potential to affect human health and disease
Epigallocatechin_gallate
Natural plant compounds
phenols and polyphenols, natural plant compounds which are found in tea. These chemical compounds affect the flavor and mouthfeel of tea. Polyphenols in tea
Phenolic_content_in_tea
Solution used for the colorimetric determination of phenolic compounds
human health, referring to an absence of physiological evidence for polyphenols having antioxidant properties in vivo. Consequently, the ORAC method
Folin–Ciocalteu_reagent
Chemical process
and value of such foods. Generally, it is a chemical reaction involving polyphenol oxidase (PPO), catechol oxidase, and other enzymes that create melanins
Food_browning
Chemical compound that tends to shrink or constrict body tissues
lets the fruit mature by deterring eating. Tannins, being a kind of polyphenol, bind salivary proteins and make them precipitate and aggregate, producing
Astringent
Class of plant and fungus secondary metabolites
bioflavonoid have also been more loosely used to describe non-ketone polyhydroxy polyphenol compounds, which are more specifically termed flavanoids. In the 1930s
Flavonoid
Chemical compound
Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains; capers, red
Quercetin
Solid remains of fruit after pressing
fodder, as fertilizer, or for the extraction of bioactive compounds like polyphenols. The English word pomace derives from Medieval Latin pomaceum ("cider")
Pomace
Genus of plants (chokeberries)
pigmentation that arises from dense contents of polyphenols, especially anthocyanins. Total polyphenol content is 1752 mg per 100 g dry weight, anthocyanin
Aronia
Chemical compound
Verbascoside is a polyphenol glycoside in which the phenylpropanoid caffeic acid and the phenylethanoid hydroxytyrosol form an ester and an ether bond
Verbascoside
cryptoxanthin. Most food compounds listed as antioxidants – such as polyphenols common in colorful, edible plants – have antioxidant activity only in
List_of_antioxidants_in_food
Emblicanins are a type of polyphenol found in Indian gooseberry (Emblica officinalis). Ghosal, S.; Tripathi, V. K.; Chauhan, S. (2010). "ChemInform Abstract:
Emblicanin
Leaves of the olive tree
powder form of olive leaf extract. Olive leaves have rich content of polyphenols, which impart a sour taste. Olive leaves are dusty green on top and silvery-white
Olive_leaf
Main polyphenol in grapefruit
Naringenin is a flavanone from the flavonoid group of polyphenols. It is commonly found in citrus fruits, especially as the predominant flavonone in grapefruit
Naringenin
Chemical compound
Neochlorogenic acid is a natural polyphenol found in some dried fruits and other plant sources, such as peaches. It is an isomer of chlorogenic acid; both
Neochlorogenic_acid
forms of stilbenoids. Some molecules are large enough to be considered polyphenols and constitute a class of tannins. Ampelopsin A Epsilon-viniferin Pallidol
Oligostilbenoid
World's oldest surviving wine (1st century CE)
Frontera and fino from Condado de Huelva and Montilla-Moriles. Analysis of polyphenols in the wine identified quercetin, 4-hydroxybenzoic acid, apigenin, vanillin
Carmona_wine_urn
Polyphenol with a stilbene skeleton
4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol or polyphenol and a phytoalexin produced by several plants in response to injury or
Resveratrol
Natural phenol antioxidant
Ellagic acid is a polyphenol found in numerous fruits and vegetables. It is the dilactone of hexahydroxydiphenic acid. The name comes from the French term
Ellagic_acid
Topics referred to by the same term
carbolic acid, the simplest of the phenols Naturally occurring phenols Polyphenol All pages with titles beginning with Phenolic Phenolic content in wine
Phenolic
Edible fruit
apple sun scalding. Apple skins and seeds contain polyphenols. These are oxidised by the enzyme polyphenol oxidase, which causes browning in sliced or bruised
Apple
Liquid fat made from olives
to oxygen. Some measures to preserve polyphenol content reduce yield. In use, prolonged storage reduces polyphenol concentration; storage in a dark glass
Olive_oil
Species of flowering plant in the rose family
H-6 are also present. Genotype of cloudberry variants may also affect polyphenol composition, particularly for ellagitannins, sanguiin H-6, anthocyanins
Rubus_chamaemorus
Drug interactions with grapefruit juice
presence of the interacting polyphenol compounds Test a fruit genetically for the genes needed to make the interacting polyphenol compounds The first approach
Grapefruit–drug_interactions
Species of plant
triterpenoids such as ursolic acid and oleanic acid, as well as various polyphenols including the flavonoids apigenin and quercetin. Although some of these
Mitragyna_speciosa
Category of polyphenol compound
extracts are sold as dietary supplements labeled as tea catechins or tea polyphenols. Green tea extracts typically have higher levels of catechins, while
Flavan-3-ol
Organosulfur compound
and/or "garlic body odor" is attributed to its presence. Consumption of polyphenol-containing foods has been shown to suppress the release of allyl methyl
Allyl_methyl_sulfide
Diverse class of hydrolyzable tannins, a type of polyphenol
ellagitannins are a diverse class of hydrolyzable tannins, a type of polyphenol formed primarily from the oxidative linkage of galloyl groups in 1,2,3
Ellagitannin
Hypothetical type of antioxidant
A polyphenol antioxidant is a hypothesized type of antioxidant studied in vitro. Numbering over 4,000 distinct chemical structures mostly from plants,
Antioxidant effect of polyphenols and natural phenols
Antioxidant_effect_of_polyphenols_and_natural_phenols
Herbal tea
(brain-derived neurotrophic factor) in healthy subjects, likely due to its high polyphenol content, though this was a small study involving 25 subjects and the authors
Coffee_cherry_tea
Group of polyphenols in plant matter
The lignans are a large group of low molecular weight polyphenols found in plants, particularly seeds, whole grains, and vegetables. The name derives
Lignan
Class of polyphenols found in many plants
Proanthocyanidins are a class of polyphenols found in many plants, such as cranberry, blueberry, and grape seeds. Chemically, they are oligomeric flavonoids
Proanthocyanidin
Species of tree
slightly alcoholic overripe breadfruit as social bonding. The fruit contain polyphenols. Treculia africana is a species of tree known in English as African breadfruit
Treculia_africana
Tropical fruit
contains lycopene (table). Guava leaves contain both carotenoids and polyphenols, such as (+)-gallocatechin and leucocyanidin. As some of these phytochemicals
Guava
Study of phytochemicals, which are chemicals derived from plants
heart failure. Polyphenols of several classes are widespread in plants, including anthocyanins, phytoestrogens, and tannins. Polyphenols are secondary
Phytochemistry
Plants used to treat medical conditions
diverse, with most in four biochemical classes: alkaloids, glycosides, polyphenols, and terpenes. Few of these are scientifically confirmed as medicines
Medicinal_plants
Fruit used for making apple cider
taken of apple varieties towards use in cider classification include pH, polyphenol composition, yeast assimilable nitrogen (YAN), and soluble solid concentration
Cider_apple
Species of flowering plant in the gooseberry family
hand or by machine. The raw fruit is particularly rich in vitamin C and polyphenols. Blackcurrants can be eaten raw but are usually cooked in various dishes
Blackcurrant
Chemical compound
It can also be prepared by laboratory synthesis. Chemically, it is a polyphenol and a benzoquinone. Atromentin has been found in cultures of Clitocybe
Atromentin
Plant secondary metabolite
providing antioxidant roles in plants. It belongs to the subgroup of polyphenols called flavonoids. The name of the catechin chemical family derives from
Catechin
Natural phenols and polyphenols are a class of natural aromatic organic compounds with molecular formulas in which one or more hydroxy groups are attached
List of natural phenols and polyphenols molecular formulas
List_of_natural_phenols_and_polyphenols_molecular_formulas
Enzyme
form the melanin that grants damaged fruits their dark brown coloration. Polyphenol oxidases are a family of di-copper metalloenzymes that include tyrosinase
Catechol_oxidase
Chemical compound found in a variety of plants
Rosmarinic acid, named after rosemary (Salvia rosmarinus Spenn.), is a polyphenol constituent of many culinary herbs, including rosemary (Salvia rosmarinus
Rosmarinic_acid
Chemical compound
Tannic acid is a specific form of tannin, a type of polyphenol. Its weak acidity (pKa around 6) is due to the numerous phenol groups in the structure.
Tannic_acid
Plant chemical
(7,3′,4′-flavon-3-ol) is a plant flavonol from the flavonoid group of polyphenols. It occurs in many plants where it serves as a yellow pigment. It is
Fisetin
Chemical compound
Benzenediols Benzenetriols Apiole Carnosol Carvacrol Dillapiole Polyphenols v t e Types of polyphenols Flavonoids (C6-C3-C6) Flavonolignans Silymarin Lignans ((C6-C3)2)
1,4-Naphthoquinone
Apple cultivar
European Union under EU N°: 16749. This variety of apple is naturally low in polyphenol oxidase and is often sold pre-sliced. "www.opal-apple.com". Retrieved
Opal_(apple)
Chemical compound
Rottlerin (mallotoxin) is a polyphenol natural product isolated from the Asian tree Mallotus philippensis. Rottlerin displays a complex spectrum of pharmacology
Rottlerin
Brewed beverage made from tea leaves
the presence of polyphenols. These are the most abundant compounds in tea leaves, making up 30–40% of their composition. Polyphenols in tea include flavonoids
Tea
Species of fruit tree
moderate amounts of polyphenols, including flavan-3-ol monomers and dimers as major compounds representing about 87% of total polyphenols, which declines
Lychee
Enzyme for controlling the production of melanin
copper oxidase. Tyrosinases and catechol oxidases are collectively termed polyphenol oxidases. Tyrosinases have been isolated and studied from a wide variety
Tyrosinase
Chemical compounds produced by plants
research may be classified into major categories, such as carotenoids and polyphenols, which include phenolic acids, flavonoids, stilbenes, or lignans. Flavonoids
Phytochemical
Genus of flowering plants
low in calories. It contains the prebiotic fiber inulin. It contains a polyphenol oxidase, which causes its darkened surface and muddy harshness by forming
Arctium
Bulbous vegetable
Onion varieties vary widely in phytochemical content, particularly for polyphenols, with shallots having the highest level, six times the amount found in
Onion
Chemical compound
subclass flavanonols in the flavonoids, which in turn is a class of polyphenols. It is extracted from plants such as Siberian larch and milk thistle
Taxifolin
Class of astringent, bitter plant polyphenolic chemical compounds
hydroxylated and polymerized in order to give the high molecular weight polyphenol motif that characterizes tannins. Typically, tannin molecules require
Tannin
Species of edible kelp
Benzenediols Benzenetriols Apiole Carnosol Carvacrol Dillapiole Polyphenols v t e Types of polyphenols Flavonoids (C6-C3-C6) Flavonolignans Silymarin Lignans ((C6-C3)2)
Arame
Flowering plant species in the carrot family
1-octen-3-ol (mushroom). Other phytochemicals found in fennel fruits include polyphenols, such as rosmarinic acid and luteolin, among others in minor content
Fennel
Variety of orange with dark red flesh
dark flesh color is due to the presence of anthocyanins, a family of polyphenol pigments common to many flowers and fruit, but uncommon in citrus fruits
Blood_orange
Culinary herb
056. Feng, Jing; Zhang, Yangyang (2023). "The potential benefits of polyphenols for corneal diseases". Biomedicine & Pharmacotherapy. 169 115862. doi:10
Thyme
Chemical compound
((HO)2C6H3)2CH)2. It can be classified as a stilbenoid, a phenol, and a polyphenol. It is a white solid, although samples often are yellow owing to impurities
Piceatannol
Natural bark extract used in food and medicine
vaccines. Other compounds in the crude extract include tannins and other polyphenols, and calcium oxalate. Quillaia is used in the manufacture of food additives
Quillaia
Variety of grape
making artisan wines, juice, hull pie and jelly. They are rich sources of polyphenols. In a natural setting, muscadine provides wildlife habitat as shelter
Vitis_rotundifolia
Scale for measuring spiciness of peppers
Nagy, Z.; Daood, H.; Ambrózy, Z.; et al. (2015). "Determination of Polyphenols, Capsaicinoids, and Vitamin C in New Hybrids of Chili Peppers". Journal
Scoville_scale
Edible fruit
dimeric ellagitannin agrimoniin, which is an isomer of sanguiin H-6. Other polyphenols present include flavonoids, such as anthocyanins, flavanols, flavonols
Strawberry
Liquid consisting mainly of acetic acid and water
Vinegar (from Old French vyn egre 'sour wine') is an odorous aqueous solution of diluted acetic acid and trace compounds that may include flavorings or
Vinegar
Chemical compound
reaction of fruits like bananas where it is mediated by the tyrosinase type polyphenol oxidase from tyrosine and catecholamines leading to the formation of catechol
Indole-5,6-quinone
Chemical compound
also be used to prepare polyacetoxystyrene, which can transformed in polyphenols by UV irradiation. ATRP can also be used for the preparation of defined
Poly(4-vinylphenol)
Chemical compound
Theasinensin D is polyphenol flavonoid found in oolong tea. It's an atropisomer of theasinensin A. Yannai, Shmuel (2012). Dictionary of Food Compounds
Theasinensin_D
Fine powder green tea
reduces the accumulation of catechins in leaves. Matcha tea contains polyphenols, including high amounts of chlorogenic acid. Like all tea, matcha naturally
Matcha
Species of flowering plant
calorie. It contains polyphenols that causes darkened surface and muddy harshness by formation of tannin-iron complexes. Those polyphenols are caffeoylquinic
Arctium_lappa
Mexican avocado-based dish
call for sour cream, tomatoes, basil, or peas. Due to the presence of polyphenol oxidase in the cells of avocado, exposure to oxygen in the air causes
Guacamole
Index of chemical compounds with the same name
are organic compounds with the formula C6H3(OH)3. Also classified as polyphenols, they feature three hydroxyl groups substituted onto a benzene ring.
Trihydroxybenzenes
Species of fungus
fungus in the family Psathyrellaceae. This species was isolated from a polyphenol-polluted site near an olive processing plant in Greece. Shown to have
Coprinellus_xanthothrix
Chemical compound
ε-Viniferin is a naturally occurring polyphenol, belonging to the stilbenoids family. It is a resveratrol dimer. It is found in Vitis vinifera grapevines
Ε-Viniferin
Chemical compound
Punigluconin is an ellagitannin, a polyphenol compound. It is found in the bark of Punica granatum (pomegranate) and in Emblica officinalis. It is a molecule
Punigluconin
Species of moth
defoliator of deciduous trees. Their larvae exhibit intraspecific variation to polyphenol metabolism depending on their host plant, allowing them to be polyphagous
Lymantria_mathura
Chemical compound
It's name derives from catechu. It is a major metabolite of antioxidant polyphenols found in green tea. It has mixed effects on normal and cancer cells in
Protocatechuic_acid
Principal curcuminoid of turmeric
ingredient, food flavoring, and food coloring. Chemically, curcumin is a polyphenol, more particularly a diarylheptanoid, belonging to the group of curcuminoids
Curcumin
Any organic aromatic compound with a structure based on a phenylpropane skeleton
Benzenediols Benzenetriols Apiole Carnosol Carvacrol Dillapiole Polyphenols v t e Types of polyphenols Flavonoids (C6-C3-C6) Flavonolignans Silymarin Lignans ((C6-C3)2)
Phenylpropanoid
Index of chemical compounds with the same molecular formula
may refer to : Gastrodin, a natural polyphenol found in the orchid Gastrodia elata Salicin, a natural polyphenol found in willow This set index page lists
C13H18O7
Chemical compound
Raspberry ellagitannin is an ellagitannin found in raspberries. It is a polyphenol per se, containing 6 ellagic acid-type components and two additional monomeric
Raspberry_ellagitannin
Starchy tuber used as a staple food
amounts of phytochemicals, including carotenoids for gold/yellow or polyphenols for red or blue cultivars. Carotenoid compounds include provitamin A
Potato
Immature soybean pod used as a specialty food
refrigerator. Damaged pods brown more rapidly however, mainly due to the enzyme polyphenol oxidase. If stored fresh, the pods should be kept humid to prevent discoloration
Edamame
above. Nagy Z, Daood H, Ambrózy Z, Helyes L (2015). "Determination of Polyphenols, Capsaicinoids, and Vitamin C in New Hybrids of Chili Peppers". Journal
List_of_capsaicinoids
Genus of plants
are not defined as nutrients and may be antinutrient factors, such as polyphenols, saponins, tannins, and oxalates. These compounds are reduced in content
Amaranth
Species of plants
(including the blue compound chamazulene), acetylene derivatives, and polyphenols, which contribute to the fragrance and may be extracted individually
Chamaemelum_nobile
Index of chemical compounds with the same name
Diphenol may refer to: Benzenediols Bisphenols Dihydroxybiphenyls Various polyphenols (those with 2 phenolic groups) This set index article lists chemical
Diphenol
Index of chemical compounds with the same name
Flavaspidic acid AB is a polyphenol that is a phloroglucinol derivative isolated from the rhizomes of Dryopteris Crassirhizoma and has been shown to exhibit
Flavaspidic_acid
Natural phenols related to chalcone
Benzenediols Benzenetriols Apiole Carnosol Carvacrol Dillapiole Polyphenols v t e Types of polyphenols Flavonoids (C6-C3-C6) Flavonolignans Silymarin Lignans ((C6-C3)2)
Chalconoid
Species of plant
membranifolia and B. muricata. It contains beta-carboline alkaloids and polyphenols. Its legal status varies by country; it is largely unregulated in the
Banisteriopsis_caapi
Nepali chemist
K., Parajuli, N. “In silico study of therapeutic potential of natural polyphenol derivatives targeting pancreatic lipase.” Discover Chemistry, 2, 189 (2025)
Niranjan_Parajuli
Tree or shrub in the genus Quercus
et al. (2019). "Antioxidant properties of coffee substitutes rich in polyphenols and minerals". Food Chemistry. 278 (278): 101–109. doi:10.1016/j.foodchem
Oak
Class of plant-derived organic compounds with soap-like properties
Benzenediols Benzenetriols Apiole Carnosol Carvacrol Dillapiole Polyphenols v t e Types of polyphenols Flavonoids (C6-C3-C6) Flavonolignans Silymarin Lignans ((C6-C3)2)
Saponin
Species of plant (''Capparis spinosa'')
for rennet in manufacturing high-quality cheese. Canned capers contain polyphenols, including the flavonoids quercetin (173 mg per 100 g) and kaempferol
Caper
POLYPHENOL
POLYPHENOL
POLYPHENOL
POLYPHENOL
Boy/Male
Sikh
Heart of Guru
Girl/Female
Arabic
Rainning Clowed
Girl/Female
Australian, Latin
To be Silent; Mute; Silent
Girl/Female
Spanish American Latin
noble.
Male
Polish
Polish form of German Haimirich, HAJNRICH means "home-ruler."
Boy/Male
Indian, Punjabi, Sikh
Light of Truth
Girl/Female
Australian, Biblical, British, Christian, English, French, Greek, Shakespearean
Pure; Brilliant; Shining One
Boy/Male
English
Place Name; Barn for Cows
Female
Chinese
little dawn.
Biblical
speech; prophecy; springing; flowing
POLYPHENOL
POLYPHENOL
POLYPHENOL
POLYPHENOL
POLYPHENOL