트리클로산 C화학적 특성, 용도, 생산
개요
Triclosan is a broad-spectrum antibacterial agent that inhibits bacterial fatty acid synthesis. It is effective against Gram-negative and Gram-positive bacteria, as well as against Mycobacteria. Triclosan is used in a variety of products, including antiseptic soaps, deodorants, and hand washes.
화학적 성질
Solid
용도
triclosan is a preservative considered to have a low sensitizing potential in leave-on preparations.
정의
ChEBI: An aromatic ether that is phenol which is substituted at C-5 by a chloro group and at C-2 by a 2,4-dichlorophenoxy group. It is widely used as a preservative and antimicrobial agent in personal care products such as soaps, skin creams, toothpaste and deodo
ants as well as in household items such as plastic chopping boards, sports equipment and shoes.
Indications
Triclosan is a broad-spectrum antimicrobial compound.
It was originally used in soaps, antiperspirants, and cosmetic
toiletries as a germicide. Today, triclosan is incorporated
into toothpaste because of its wide spectrum of
antimicrobial activities and low toxicity.
일반 설명
Chemical structure: diphenyl ether derivative
Mechanism of action
Triclosan is active against a broad range of oral grampositive
and gram-negative bacteria.The primary target
of its antibacterial activity is the bacterial cell membrane.
High concentrations cause membrane leakage
and ultimately lysis of the bacterial cell. Effects at lower concentration are more subtle. Triclosan has been
shown to bind to cell membrane targets and inhibit enzymes
associated with the phosphotransferase and proton
motive force systems.
Pharmacology
Triclosan is retained in dental plaque for at least 8
hours, which in addition to its broad antibacterial property
could make it suitable for use as an antiplaque
agent in oral care preparations. However, the compound
is rapidly released from oral tissues, resulting in
relatively poor antiplaque properties as assessed in clinical
studies of plaque formation.This observation is further
corroborated by a poor correlation between minimal
inhibitory concentration values generated in vitro
and clinical plaque inhibitory properties of triclosan.
Improvement of substantivity was accomplished by incorporation
of triclosan in a polyvinyl methyl ether
maleic acid copolymer (PVM/MA, Gantrez). With the
combination of PVM/MA copolymer and triclosan, the
substantivity of the triclosan was increased to 12 hours
in the oral cavity.
Clinical Use
Triclosan plus copolymer is available in toothpaste.
Commercially available dentifrice concentrations contain
0.3% triclosan and 2.0% PVM/MA copolymer.
부작용
Triclosan is a preservative used in health care and consumer products, including soaps, deodorants, mouthwashes, toothpastes, cosmetics, and topical medicaments. Ozkaya et al. described a case of suspected immune mediated Cou to triclosan. A 44-year-old female reported experiencing an immediate localized urticarial response after contact with numerous topical products. The use of a toothpaste had also resulted in swelling of her lips, tongue, and breathing difficulties. She also experienced lip swelling after kissing her husband who had used the same product and wheals involving her face after kissing friends on the cheek who had used certain topical products on their faces. The suspected products all contained triclosan 0.2%–0.5%. A severe localized urticarial reaction occurred with open testing to 2% triclosan within 15 minutes. No tests were performed to confirm an immunological mechanism; however, the authors suspected this to be the case because of a positive urticarial response to triclosan within 15 minutes, a history of angioedema to the triclosan-containing toothpaste, and because no immediate reactions were seen in five control subjects who were open tested to 2% triclosan.
Safety Profile
Poison by intravenous andintraperitoneal routes. Moderately toxic by ingestion.Mildly toxic by skin contact. Mutation data reported. Ahuman skin irritant. When heated to decomposition itemits toxic fumes of Clí.
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