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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
3,4,5-Trihydroxybenzoic acid
gallic acid are termed "gallates". Its name is derived from oak galls, which were historically used to prepare tannic acid. Despite the name, gallic acid does
Gallic_acid
Ink made from iron salts and tannic acids from vegetable sources
nut ink) is a purple-black or brown-black ink made from iron salts and tannic acids from vegetable sources. It was the standard ink formulation used in Europe
Iron_gall_ink
Technique used to enhance visual contrast of specimens observed under a microscope
with acidic dyes e.g. alum, ferrous sulfate, cetylpyridinium chloride etc. b) Acidic mordant : React with basic dyes e.g. picric acid, tannic acid etc
Staining
Class of astringent, bitter plant polyphenolic chemical compounds
of ellagic acid from gallic acid]. Zeitschrift für Chemie. 4: 603. Drabble, E.; Nierenstein, M. (1907). "On the Rôle of Phenols, Tannic Acids, and Oxybenzoic
Tannin
Type of useful chemical solution
water-based and contain two primary active ingredients: tannic acid and an organic polymer. Tannic acid chemically converts the reddish iron oxides into bluish-black
Rust_converter
Chemical compound
Quercitannic acid is one of the two forms of tannic acid found in oak bark and leaves. The other form is called gallotannic acid and is found in oak galls
Quercitannic_acid
Class of chemical compounds
plants and structurally diverse. Polyphenols include phenolic acids, flavonoids, tannic acid, and ellagitannin, some of which have been used historically
Polyphenol
Chemical compound
Digallic acid is a polyphenolic compound found in Pistacia lentiscus. Digallic acid is also present in the molecule of tannic acid. Digalloyl esters involve
Digallic_acid
English photographer and inventor
distinction between tannic acid and gallic acid, referring to either "tincture, infusion of, or a decoction of galls" and gallic acid as though all were
Thomas Wedgwood (photographer)
Thomas_Wedgwood_(photographer)
Species of tree
diameter, brown with a whitish basal scar. The inedible seeds contain tannic acid and are poisonous to cattle and humans. The young foliage, shoots, and
Aesculus_glabra
Skin inflammation caused by sweat
subtypes have been elucidated, each of which require distinct treatment. Tannic acid has been found to suppress the allergic response, along with showering
Sweat_allergy
Black substance
colouring substance manufactured by a reaction of an iron salt with tannic acid (the tannic acid for this purpose is often extracted from oak bark). It is a historically
Atramentum
Lake in New Jersey, United States
area are brownish due to large deposits of bog iron and the presence of tannic acid. The Blue Hole is circular and about 70 feet (21 m) across. In the 1930s
Blue_Hole_(New_Jersey)
Species of flowering plant
terchebin, luteolin, and tannic acid. Chebulic acid is a phenolic acid compound isolated from the ripe fruits. Luteic acid can be isolated from the bark
Terminalia_chebula
Antiseptic ointment
insect bites. Its active ingredients are camphor (3%), phenol (2.5%), tannic acid (2.2%) and zinc oxide (6.6%). Unguent Ladstatter, Alex (March 15, 2022)
Unguentine
1942 nightclub fire in Boston, Massachusetts, US
so-called "tanning process" involving the application of a solution of tannic acid, which created a leathery scab over the wound that protected against
Cocoanut_Grove_fire
Medical intervention
Polyacrylonitrile in cylinder form. aluminum potassium sulfate and tannic acid (ALTA). This was the original material used as a bulking agent, first
Perianal injectable bulking agent
Perianal_injectable_bulking_agent
Species of fish
belly. Eels from clear water are often lighter than those from dark, tannic acid streams. The eel lives in fresh water and estuaries and only leaves these
American_eel
Type of iron oxide
Rust may be treated with rust converters - mixtures based on tannic acid or phosphoric acid which can combine with surface rust to create a protective layer
Rust
Chemical compound
wood containing tannic acid. After being sealed inside a container with the wood, fumes from the ammonia solution react with the tannic acid and iron salts
Ammonia_solution
Chemical compound
either from reactions with gallic acid and 1-propanol, or by enzyme catalysis of tannic acid. Syntheses with gallic acid have been the most prominent methods
Propyl_gallate
Species of insect
due to the fungus Phoma gallorum. The galls contain large amounts of tannic acid, which was used for making iron gall ink and for dyeing cloth. According
Andricus_kollari
Tree or shrub in the genus Quercus
Each acorn usually contains one seed. The acorns and leaves contain tannic acid, which helps to guard against fungi and insects. There are some 500 extant
Oak
Lakes in Clermont, Florida, United States
River. The lakes are notable for their red to tea-colored water from tannic acid. The three largest lakes, Louisa, Minnehaha, and Minneola constitute
Clermont_chain_of_lakes
Substance used for binding dyes to fabrics
dye and ion is colloidal and can be either acidic or alkaline. Mordants include tannic acid, oxalic acid, alum, chrome alum, sodium chloride, and certain
Mordant
Abnormal growths especially on plants induced by parasitic insects and other organisms
by the cynipid wasp Belonocnema treatae. Galls are rich in resins and tannic acid and have been used widely in the manufacturing of permanent inks (such
Gall
Nut of the oak tree
contain fewer tannins. When the tannins are metabolized in cattle, the tannic acid produced can cause ulceration and kidney failure. Animals that cache
Acorn
Waterfall in Venezuela
river has a tinged of burgundy-colored product of an organic compound, tannic acid derived from the roots of the trees surrounding the creek along its path
Cascada_del_Vino
Species of tree
in cotton – do I use urea or soda ash?". www.pburch.net. "Dyeing with Tannic Acid and Iron: Walnut Husks (2005)" (PDF). Madame Elizabeth de Nevell. "Making
Juglans_nigra
Common name for several plant species
The plant contains diverse phytochemicals, including ursolic acid, tannic acid, gallic acid, some essential oils and resin, hydroquinones (mainly arbutin
Bearberry
Genus of plants
settles in as a result. It was named after the ink-black colour of the tannic acid becoming (oxidized) after seeping out, but that symptom is not a characteristic
Chestnut
Fillers for cosmetic skin smoothing
Agnieszka; Kaczmarek-Szczepańska, Beata (January 2024). "Hyaluronic acid/tannic acid films for wound healing application". International Journal of Biological
Injectable_filler
Dead particulate organic material
colored dissolved organic matter such as tannin, a specific form of tannic acid. In saltwater bodies, organic material breaks down and forms a marine
Detritus
Fluid secreted from sudoriferous glands
an allergy-producing protein secreted by bacteria found on the skin. Tannic-acid has been found to suppress the allergic response along with showering
Perspiration
Chemical compound (CH2)3(CHO)2
agent to treat palmar and plantar hyperhidrosis as an alternative to tannic acid and formaldehyde. Glutaraldehyde diluted with water is often marketed
Glutaraldehyde
Urinary antiseptic drug
PMID 26051066. Topical treatments include boric acid, topical anticholinergics, 2% to 5% tannic acid solutions, resorcinol, potassium permanganate, formaldehyde
Methenamine
Class of chemical compounds
phenolic acids. Examples of gallotannins are the gallic acid esters of glucose in tannic acid (C76H52O46), found in the leaves and bark of many plant
Hydrolysable_tannin
Histological staining method
"Traditional staining for routine diagnostic pathology including the role of tannic acid. 1. Value and limitations of the hematoxylin-eosin stain". Biotech Histochem
H&E_stain
Species of plant
that becchete is extracted with Amazonian River water that is high in tannic acid, which on its own would sting and burn the eyes. In the Amazonian Ethnobotanical
Tabernaemontana_undulata
Large section of the Titanic's hull
hand-picked off. To neutralize the rust, conservationists applied a 5% tannic acid solution and hot waxed it. After traveling for a while, being exhibited
The_Big_Piece
Island and administrative region of France
as long as two weeks. Corsica's main exports are granite and marble, tannic acid, cork, cheese, wine, citrus fruit, olive oil and cigarettes. Corsica
Corsica
Test procedure to determine mechanical properties of a specimen
September 2022). "Bioactive Edible Sodium Alginate Films Incorporated with Tannic Acid as Antimicrobial and Antioxidative Food Packaging". Foods. 11 (19): 3044
Tensile_testing
Species of shrub
and the bark were traditionally used in leather tanning and contain tannic acid. Dyes of various colours, red, yellow, black, and brown, can be made
Rhus_coriaria
Species of oak tree
the older editions in particular, and are specifically referred to as tannic acid. These were recommended for treatment of inflammation and ulceration
Quercus_infectoria
Artistic technique
acrylic adhesives, ammonium ether of potato starch, heat transfer oil, tannic acid, and zeolite. Finishing (textiles) Surface finishing "So Many Likes -
Flocking_(texture)
Poisonous substance used as pesticide
strychnine is removed from the stomach by gastric lavage, along with tannic acid or potassium permanganate solutions to oxidize strychnine. Activated
Strychnine
Largest lake in Japan
sophisticated processing technology had been mastered to remove the harmful tannic acid and make this food safe for consumption. Ishiyama-dera is another such
Lake_Biwa
Substance added to a fluid to decrease its rate of corroding a material
phosphate, which now replaces the similar red lead. Compounds derived from tannic acid or zinc salts of organonitrogens (e.g. Alcophor 827) can be used together
Corrosion_inhibitor
Suspension of gold nanoparticles in a liquid
capping agent has a high affinity for the new nuclei. Citrate ions or tannic acid function both as a reducing agent and a capping agent. Less sodium citrate
Colloidal_gold
Occupation of creating plasterwork
Care should be taken to check the pH value of the wood; oak contains tannic acid which attacks the lime, this can compromise bond strength. Laths must
Plasterer
Beer style produced in the United States and Canada
developed their beers from the American six-row barley which has a higher tannic acid and protein content and greater husk per weight than the two-row barley
American_lager
Genus of plants
when seasoned, makes a good hearth for a bow drill. Because of its high tannic acid content, the bark has been used in Europe for tanning leather. Poplar
Populus
Australian flying ace (1919–1943)
happened. My face and hands had been scrubbed and then sprayed with tannic acid. [...] My arms were propped up in front of me, the fingers extended like
Richard_Hillary
Genus of flowering plants
action of rhatany is caused by the astringent rhataniatannic acid, which is similar to tannic acid. Infusions have been used as a gargle, a lozenge, especially
Krameria
Soluble chemical substance or natural material which can impart color to other materials
chromium, iron, and aluminum salts, mordants based on ammonium vanadate, tannic acid, aluminum oxide, antimony, barium, lead, cobalt, copper, manganese, nickel
Dye
Group of chemical compounds
polymerized, creating a new class of polyphenol. For example, ellagic acid is a dimer of gallic acid and forms the class of ellagitannins, or a catechin and a gallocatechin
Naturally_occurring_phenols
Natural gum obtained from Acacia trees
such as those made with a number-five crayon. Phosphoric, nitric, or tannic acid is added in varying concentrations to the acacia gum to etch the darker
Gum_arabic
River in New York state, United States
The origin of the name is not clear, but it may stem from the natural tannic acid that darkens the water in places. The river flows in a generally northwest
Black_River_(New_York)
Chemical compound
Kinotannic acid is the chief constituent of the kino gum, of which it contains 70 to 80 per cent. Kino also contains kino red, a phlobaphene produced from
Kinotannic_acid
Species of oak tree
both whitetail deer and wild turkey. Blackjacks may, however, cause tannic acid poisoning in cattle. The wood is very dense and produces a hot flame
Quercus_marilandica
Wilderness area in Mississippi, US
the broad valley of Black Creek, stained a deep caramel color by the tannic acid of decaying vegetation. The upland areas protect significant areas of
Black_Creek_Wilderness
Skin product helping to prevent sunburn
by chemist H.A. Milton Blake, in 1932 formulating with the UV filter tannic acid at a concentration of 10%. Its protection was verified by the University
Sunscreen
Type of parchment
which latter is derived from gallnuts, or similar substances having tannic acid. Maimonides required rubbing down the raw hide with flour (presumably
Gevil
Early photographic technique
Common processes involved chemicals such as glycerin, magnesium nitrate, tannic acid and albumen. Others involved more unlikely substances, such as tea, coffee
Collodion_process
Aid for drilling boreholes into the ground
polyelectrolytes (e.g. acrylates, polyphosphates, lignosulfonates (Lig) or tannic acid derivates such as Quebracho) are frequently used. Red mud was the name
Drilling_fluid
Class of chemical compounds
A tannate is the salt or ester of tannic acid. In the context of pharmacology, chemical compounds or substances broadly fitting the definition of "medicine"
Tannate
Species of fruit and plant
The plant contains diverse phytochemicals, including ursolic acid, tannic acid, gallic acid, some essential oils and resin, hydroquinones (mainly arbutin
Arctostaphylos_uva-ursi
Photographic printing process that produces a blue print
used, including various types of tea, coffee, wine, urine, tannic acid, or pyrogallic acid, resulting in tones varying from brown to black. Most toning
Cyanotype
Toxic plant alkaloid
In addition, in emergencies, one can wash the stomach using either tannic acid or powdered charcoal. Heart stimulants such as strong coffee or caffeine
Aconitine
Medical condition
strychnine is removed from the stomach by gastric lavage, along with tannic acid or potassium permanganate solutions to oxidize strychnine. Activated
Strychnine_poisoning
Chemical compound
Cinchotannic acid is a tannin contained in many cinchona barks, which by oxidation rapidly yields a dark-coloured phlobaphene called red cinchonic, cinchono-fulvic
Cinchotannic_acid
Russian scientist
"Traditional staining for routine diagnostic pathology including the role of tannic acid. 1. Value and limitations of the hematoxylin-eosin stain". Biotech Histochem
Nicolaus_Wissozky
Writing material for fountain pens
the 5th century CE. This blue-black ink is made from iron salts and tannic acid from vegetable sources. Prior to the ready availability of manufactured
Fountain_pen_ink
Species of tree native to North America
90 cm (3 ft) thick at the base of the columnar trunk. The sap contains tannic acid, which provides significant protection from fire damage. The leaves are
Sequoiadendron_giganteum
Place in KwaZulu-Natal, South Africa
point where they were trees rather than shrubs. After the discovery of tannic acid for use in the tanning industry, the wattle industry grew. Wattle wood
Camperdown,_South_Africa
Subspecies of tree
fixed oil, wax, albumin, gum, sugar, starch, butyric acid, an aromatic resin, iron-greening tannic acid, and an alkaloid which he designates atherospermine
Atherosperma moschatum subsp. integrifolium
Atherosperma_moschatum_subsp._integrifolium
Chemical compound
moisture from the hide and prevent rotting.[citation needed] Unlike tannic acid, alum doesn't bind to the hide and can be washed out of it.[citation
Potassium_alum
Chemical element with atomic number 19 (K)
commercial products such as inks, dyes, wood stains (by reacting with the tannic acid in wood), explosives, fireworks, fly paper, and safety matches, as well
Potassium
and oil Sucrose octaacetate Sugar alcohols Sugars Tagetes oil Tannic acid Tartaric acid Tea leaf and absolute alpha-Terpineol Terpinolene Terpinyl acetate
List of additives in cigarettes
List_of_additives_in_cigarettes
Species of oak tree
become reddish brown, finally dark gray or brown. Heavily charged with tannic acid. Wood: Dark brown, sapwood lighter; heavy, hard, strong, tough, close-grained
Quercus_montana
Inflammation of the ear canal
came to be known as, "Tektite Solution", equal parts of 15% tannic acid, 15% acetic acid and 50% isopropyl alcohol or ethanol. During Tektite ethanol
Otitis_externa
Outermost layers of stems and roots of woody plants
The bark of some trees, notably oak (Quercus robur) is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber
Bark_(botany)
Species of tree
These properties are conferred by concentrations of terpenoids and tannic acid in redwood leaves, roots, bark, and wood. Despite these chemical defenses
Sequoia_sempervirens
Species of bird
through water ingestion, with this now understood they are now given tannic acid and iron is avoided in their diet. For this reason, it is a traditional
Resplendent_quetzal
Species of legume
and Characterization by LC-MSn of the Galloylquinic Acids of Green Tea, Tara Tannin, and Tannic Acid. J. Agric. Food Chem., 2007, 55 (8), pp. 2797-2807
Tara_spinosa
Wood-finishing process
content. The effect of fuming can be enhanced in non-tannic woods by applying a coat of tannic acid to the surface before fuming. Fuming was an accidental
Ammonia_fuming
Genus of trees
tabularis contain quercetin and its 3-galactoside, galloyl glucoside, tannic acid and a flavone. The bark contains sitosterol, melianone, scopoletin, 6
Chukrasia
Polysaccharide from crustacean shells
Neoh, K.-G.; Kang, E.-T.; Fu, G.D. Thiol reactive maleimido-containing tannic acid for the bioinspired surface anchoring and post-functionalization of antifouling
Chitosan
Excessive sweating localized to the hands and feet
treatments such as potassium permanganate, tannic acid (2 to 5 percent solutions), resorcinol, boric acid, formaldehyde, methenamine, and glutaraldehyde
Palmoplantar_hyperhidrosis
authorities discovered muriate and morphine crystals in canisters marked "tannic acid". With this evidence, police arrested Yashukichi on 5 November 1923.
Miyagawa_Yashukichi
American chemist, mathematician, and educator
chemistry at Cornell was entitled "The Interaction Between Solutions of Tannic Acid and Hydrous Ferric Oxide." She received a master's degree in physical
Angie_Turner_King
Practice of eating earth or soil-like substrates
surpass or approach pure bentonite in their capacity to bind quinine and tannic acid. In vitro and in vivo tests of these soils and many others from southeastern
Geophagia
Species of flowering plant
magnesium, and calcium (in that order). But high levels of phytic acid and tannic acid can prevent mineral absorption during digestion. List of culinary
Canarium_ovatum
Coastal region of California, United States
Oak from the Little Sur River canyon. Tanbark was used to manufacture tannic acid, necessary to the growing leather tanning industry located in Santa Cruz
Big_Sur
Fungus disease of chestnut trees
ideal for building furniture and caskets. The bark and wood were rich in tannic acid, which provided tannins for use in the tanning of leather. Chestnuts
Chestnut_blight
Native American people of northern California
with a pestle on a hard surface, generally a hollowed-out stone. The tannic acid in the acorns was leached out by spreading the meal smoothly on a bed
Maidu
Strychnine Sucrose (sugar) Sugars (in general) superoxide T2 Toxin Tannic acid Tannin Tartaric acid Taurine Tetrodotoxin Telomerase Thaumatin Topoisomerase Tyrosine
List_of_biomolecules
Species of oak tree
acorns are edible, ideally after leaching. The bitterness of the toxic tannic acid would likely prevent anyone from eating enough to become ill. Native
Quercus_garryana
Biochemical laboratory technique
absolute temperature. Alginate, carboxymethylcellulose, polyacrylic acid, tannic acid and polyphosphates can form extended networks between protein molecules
Protein_precipitation
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