tannic acid


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Related to tannic acid: tannin

tannic acid

 [tan´ik]
a substance obtained from nutgalls, oak bark, and other plant parts, formerly used in medicine as an astringent. It is no longer used alone because it can be absorbed through mucous membranes or damaged skin in amounts sufficient to produce hepatic necrosis, although it is still used as a component of dermatological preparations.

tan·nic ac·id

(tan'ik as'id),
A tannin that occurs in many plants, particularly in the bark of oaks and other members of the Fagaceae; used as a styptic and astringent, and in the treatment of diarrhea; available also as tannic acid glycerite. Sometimes used synonymously with tannin.

tannic acid

/tan·nic ac·id/ (-ik) a substance obtained from nutgalls, used as an ingredient of dermatologic preparations and formerly used as an astringent.

tannic acid

[tan′ik]
Etymology: Celt, tann, oak; L, acidus, sour
a substance obtained from the bark and fruit of various trees and shrubs, particularly the nutgalls of oak trees. The acid is used as an astringent and protein precipitant. Also called tannin.

tan·nic ac·id

(tan'ik as'id)
A tannin that occurs in many plants; used as a styptic and astringent and to treat diarrhea.

tannic acid

An antifungal drug, used externally to treat fungus infections of the skin. A brand name of a preparation containing tannic acid and other drugs is Phytex.

tannic acid

astringent agent in dusting powders and lotions; used to treat tinea pedis Table 1
Table 1: Treatment of fungal infections of skin and nails
Infection siteAgent
Antimycotic agent (for the treatment of dermatophytosis)
SkinTopical allylamine (e.g. 1% terbinafine cream for 7 days)
Topical imidazoles (e.g. 2% miconazole or 1% clotrimazole for 28 days)
Topical 0.25% amorolfine
Topical 1% econazole
Topical griseofulvin spray (400 μg puff daily for 14 days)
Topical 1% sulconazole
Topical tea tree (manuka) oil
Topical undecenoate (20% zinc undecenoate + 5% undecenoic acid)
Topical Whitfield's ointment (6% benzoic acid + 3% salicylic acid)
Other topicals include: weak iodine solution 2.5%; potassium permanganate paint 1%; salicylate acid cream or alcoholic solution 3-5%; benzoic acid (Whitfield's) ointment; sodium polymetaphosphate dusting powder
Systemic terbinafine (250 mg daily for 2 weeks)
Systemic itraconazole (100 mg daily for 15 days)
Systemic griseofulvin (500 mg daily )
NailTopical amorolfine 0.25% lacquer as an adjunct to systemic treatment
Topical borotannic acid complex acid; Phytex paint (1.46% salicylic acid + 4.89% tannic acid + 3.12% boric acid)
Topical 28% tioconazole lacquer
Topical undecenoate lacquer; Monphytol paint (5% methyl undecenoate + 0.7% propyl undecenoate + 3% salicylic acid + 25% methyl salicylate + 5% propyl salicylate + 3% chlorambucil)
Other topicals: strong iodine 10% solution
Systemic terbinafine (250 mg daily for 12-16 weeks)
Systemic itraconazole (400 mg for 1 week in a month, repeated overall 3 or 4 times)
Anticandidal agent (for the treatment of candidiasis)
SkinTopical antimycotic creams (1% clotrimazole; 1% econazole; 2% miconazole)
Topical nystatin (100 000 units ± 1% tolnaftate)
Antipityriasis versicolor agent (for the treatment of pityriasis versicolor)
SkinTopical 2% ketoconazole
Topical 2.5% selenium sulphide
Topical antimycotic agents (1% clotrimazole; 1% econazole; 2% miconazole; 1% sulconazole; 1% terbinafine)
Systemic fluconazole/itraconazole/ketoconazole/miconazole/voriconazole

tannic acid,

a vegetable tanning agent that attaches itself to collagen by hydrogen bonds. Tannic acid is used in dentistry as a cavity conditioner before placing a restoration.

tannic acid

a substance obtained from bark and fruit of many plants, used as an astringent.
References in periodicals archive ?
To learn more about harvesting acorns, removing the tannic acid and using acorns as a sustainable food source, read "Acorn Nuts: The Grain That Grows on Trees" at http://goo.
Key Words: Tannic Acid growth inhibition Candida albicans acid production and inhibition.
USDA-ARS scientists wanted to see whether mixing tannic acid with major peanut allergen proteins, namely Ara h 1 and Ara h 2, would form stable complexes that could prevent the release of the peanut allergens in the human stomach and gut.
Tannic acid, or tannin, is a phenolic antioxidant commonly found in legumes, coffee, tea, and certain tree barks.
Data of this study demonstrated that antioxidants such as thymoquinone, epigallocatechin-3-gallate, and tannic acid may yield promising effects for targeting prostate cancer treatment.
Chemicals such as tannic acid, gallic acid, Oxidized and reduced glutathione, hydrogen peroxide ([H.
When the researchers add tannic acid to water, it tends to congregate around surfaces, whether pieces of polystyrene or E.
Mystic processes it naturally and makes sure that the constituents in the form of Phytic acid, Tannic acid and Enzyme Inhibitors are well retained in low content.
Mystic processes it naturally ensuring low content of Phytic Acid, Tannic Acid and Enzyme Inhibitors which gets absorbed much faster thus giving the desired benefits of almond to the body and skin.
A mixture of an aromatic aldehyde (1 mmol), benzil/benzoin (1mmol), ammonium acetate (2 mmol) and tannic acid (7.