Definitions
from The Century Dictionary.
- noun Same as
pyrocatechol or *pyrocatechin.
from the GNU version of the Collaborative International Dictionary of English.
- noun any of a group of chemicals having a benzene ring substituted with two hydroxyl groups in ortho position, especially ortho-dihydroxybenzene itself (C6H6O2), also called
pyrocatechol , used in photography and as a reagent.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry The
biologically importantdiphenol ortho-dihydroxy benzene;isomeric withhydroquinone andresorcinol .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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An additional level of confidence is that a component of the reaction mixture, called catechol, actually kills the bacteria a few hours after it is added.
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An additional level of confidence is that a component of the reaction mixture, called catechol, actually kills the bacteria a few hours after it is added.
OpenWetWare - Recent changes [en] Kirill Shkura 2010
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An additional level of confidence is that a component of the reaction mixture, called catechol, actually kills the bacteria a few hours after it is added.
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An additional level of confidence is that a component of the reaction mixture, called catechol, actually kills the bacteria a few hours after it is added.
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Zhang, F, et al. Synthesis and reactivity of the catechol metabolites from the equine estrogen, 8, 9-dehydroestrone.
T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details T.S. Wiley 2010
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In the American and Japanese species they are a mixture of catechol and pyrogallol tannins, while they appear to be pure pyrogallol tannins in the Chinese species.
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Amongst polyhydric alcohols, the behaviour of the methyl ester of catechol, _guaiacol_ was investigated.
Synthetic Tannins Georg Grasser
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The compound, or compounds, known as "caffetannic acid" are probably the source of catechol, as the proteins are of ammonia, amins, and pyrrols.
All About Coffee 1909
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He considers the roasting of coffee as a destructive distillation process, summarizing the results, briefly, as the production of furfuraldehyde from the carbohydrates, acrolein from the fats, catechol and pyrogallol from the tannins, and ammonia, amins, and pyrrols from the proteins.
All About Coffee 1909
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Their study included 2,858 white and black volunteers, aged 70 to 79, whose DNA was analyzed for the Val and Met variants of the catechol-O-methyltransferase (COMT) gene, which affects thinking skills.
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