Tests carried out recently found that the skin lightening products contained a dangerous banned substance,
hydroquinone.
Testler son zamanlarda cilt aydınlatma ürünleri tehlikeli bir yasaklı madde, hidrokinon içerdiği bulundu yürütülmektedir.
Kaynak: dalstonpeople.co.ukHydroquinone 1,2-dioxygenase (1.13.11.66,
hydroquinone dioxygenase) is an enzyme with system name benzene-1,4-diol:oxygen 1,2-
Kaynak: Hydroquinone 1,2-dioxygenase In enzymology , a
hydroquinone glucosyltransferase (2.4.1.218) is an enzyme that catalyzes the chemical reaction : glucose +
hydroquinone Kaynak: Hydroquinone glucosyltransferaseArbutin is both an ether and a glycoside ; a glycosylated
hydroquinone extracted from bearberry plant in the genus Arctostaphylos.
Kaynak: ArbutinIt is prepared by methylation of para-
hydroquinone. Occurrence: It occurs naturally in willow (Salix ), tea, hycinth, zucchini (Cucurbita
Kaynak: 1,4-DimethoxybenzenePhotographic developer solutions may contain more than one developing agents, such as Metol and
hydroquinone , or Phenidone and
Kaynak: Superadditive developerPillararenes are macrocycles composed of
hydroquinone units (5 to 10) linked in the para position. They are structurally similar to the
Kaynak: Pillararene9,10-Dihydroxyanthracene is the
hydroquinone form of 9,10-anthraquinone (AQ) and is formed when AQ is used as a redox catalyst in
Kaynak: 9,10-Dihydroxyanthracenehemisulfate), phenidone (1-phenyl-3-pyrazolidinone) or dimezone (4,4-dimethyl-1-phenylpyrazolidin-3-one) and
hydroquinone (benzene-1,4-diol).
Kaynak: Photographic developerCYP2E1 is involved at multiple steps: converting benzene to oxepin (benzene oxide), phenol to
hydroquinone , and
hydroquinone to both
Kaynak: Benzenebenzenediol (the meta isomer ) is commonly known as resorcinol , and 1,4-benzenediol (the para isomer ) is commonly known as
hydroquinone .: |
Kaynak: BenzenediolThe spray is produced by a reaction between two chemical compounds,
hydroquinone and hydrogen peroxide , stored in separate reservoirs in
Kaynak: Bombardier beetleDuring melanin synthesis
Hydroquinone :
Hydroquinone. In medical literature,
hydroquinone is considered the primary topical ingredient for
Kaynak: Skin whiteningThis six-membered ring compound is the oxidized derivative of 1,4-
hydroquinone The molecule is multifunctional: it exhibits properties
Kaynak: 1,4-BenzoquinoneA natural example of the oxidation of
hydroquinone to quinone is in the spray of bombardier beetle s;
hydroquinone is reacted with
Kaynak: Quinonecondition is most often associated with alkaptonuria but can occur from exogenous administration of phenol complex es like
hydroquinone .
Kaynak: OchronosisQuinhydrone is slightly soluble in water, dissolving to form a mixture of two substances, quinone and
hydroquinone, with the two
Kaynak: Quinhydrone electrodeHence, this enzyme has one substrate , 2,5-dihydroxybenzoate , and two products ,
hydroquinone and CO sub 2/sub . This enzyme belongs to
Kaynak: Gentisate decarboxylase