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of pyrogallol (the classical peroxidase substrate) to purpurogallin by very ... used and purpurogallin formed as measured calorimetrically. It is seen ...

http://www.jbc.org/content/205/1/395.full.pdf

determined with a modification of the purpurogallin test? of Sumner and ... limits, the purpurogallin formed was proportional to the enzyme concentra- ...

http://www.jbc.org/cgi/reprint/201/1/475.pdf

It was also found that the metabolism of pyrogallol to purpurogallin occurred quickly in human erythrocytes, ie., when pyrogallol was added to human ...

http://www.journal.med.tohoku.ac.jp/2034/TJ2034_10.pdf

Purpurogallin (PPG) is a phenolic compound extracted from nutgalls formed on oak trees. It has been used as an additive to edible or nonedible oils or fats, ...

http://www.springerlink.com/index/UX807L07K1174735.pdf

Purpurogallin (PPG) has been used as an additive to edible and non-edible oils or fats to retard ... Purpurogallin has been reported to protect ventricular ...

http://www.springerlink.com/index/X17664U6V7M2314R.pdf

centrations of purpurogallin, Trolox, or ascorbate (P < 0.01). Conclusion. ..... and Wu, T. W. (1994) Purpurogallin as a cytoprotector of ...

http://www.informaworld.com/index/LDKKMMX1BLFCTY4Y.pdf

acid and catechol; purpurogallin which contains both an a-ketohydroxy .... except in the case of EDTA and purpurogallin where activation occurred (Table 1, ...

http://www.informaworld.com/index/787180816.pdf

based on the oxidation pyrogallic acid into purpurogallin. The ... further five minutes, extract the purpurogallin produced with 20 cc. ...

http://jb.oxfordjournals.org/cgi/reprint/14/3/475.pdf

the purpurogallin number, which is represented by Willstiitter and Pollinger (1923) by mg of purpurogallin produced by 1 rag. ...

http://jb.oxfordjournals.org/cgi/reprint/23/1/125.pdf

for purpurogallin than theoretically required (Nierenstein, .... diglucosides of purpurogallin. In thecase of one of them (eriophyesin) it is shown that the ...

http://www.biochemj.org/bj/038/0373/0380373.pdf

by D KEILIN - Cited by 389

http://www.biochemj.org/bj/049/0088/0490088.pdf

The method is based on the catalytic effect of copper(II) on the oxidation of purpurogallin with hydrogen peroxide to produce light emission. ...

http://wwwsoc.nii.ac.jp/jsac/analsci/ICAS2001/pdfs/1300/1391_p3056t.pdf

12 = Extinction coefficient3 of 1 mg/ml of Purpurogallin at 420 nm ... One unit will form 1.0 milligram of purpurogallin from ...

https://www.sigmaaldrich.com/img/assets/18160/Peroxidase.pdf

The reduction oí the enol methyl ether (XXII) (purpurogallin tetramethyl ether) furnishes, upon hydrolysis with water, the ether- ...

http://tera-3.ul.cs.cmu.edu/NASD/4dcb85c3-9fee-4c83-9e6d-fe6ce5522b59/China/disk4/75/75-3/31006725/PDF/00000095.pdf

by D Keilin - 1951 - Cited by 389

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1197462/pdf/biochemj00917-0101.pdf

by M Nierenstein - 1945 - Cited by 4

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1258270/pdf/biochemj00960-0110.pdf

tion and found that it contained 360 purpurogallin U/ mg. According to the Sigma Chemical Company, ... that its potency was 320 purpurogallin U/rag. Because ...

http://jcb.rupress.org/cgi/reprint/66/3/531.pdf

purpurogallin, formed by the reaction of peroxidase with pyrogallol, is extracted with ether and ... gallin number" (defined as milligrams of purpurogallin ...

http://jcb.rupress.org/cgi/reprint/4/5/541.pdf

purpurogallin from pyrogallol in 20 seconds at 20°C and pH 6.0. ... 1.0 Purpurogallin unit at 20°C. 1.0 Guaiacol unit at 25°C. 13.0 IUB units at 25°C ...

http://www.scrippslabs.com/graphics/pdfs/HRP.pdf

by D Gamenara - 2001 - Cited by 5

http://jbcs.sbq.org.br/jbcs/2001/vol12_n4/489-00.pdf

PURIFICATION OF INDOLEACETIC ACID OXIDASE AND PURPUROGALLIN PEROXIDASE FROM LUPINUS ALBUS L. .... by dissolving purpurogallin in acetone and reading ...

http://www.plantphysiol.org/cgi/reprint/32/1/31.pdf

The formation of purpurogallin was followed in the colorimeter with readings at 20, ... pressed as micromoles of purpurogallin formed per ...

http://www.plantphysiol.org/cgi/reprint/34/4/416.pdf

by DPE Solution - Related articles

http://www.safcglobal.com/etc/medialib/docs/Sigma/Enzyme_Assay/p8250enz.pdf

by ST VI-A - Related articles

http://www.safcglobal.com/etc/medialib/docs/Sigma/Datasheet/5/p6782dat.pdf

DYEING PROPERTIES OF PURPUROGALLIN. 合成繊細こ於て窒素をP・1yamidの形で分子内に .... 以上の慕よりpurpurogallinによりビ＝urンは，酷酸人絹より染色され難い。 ...

https://soar-ir.shinshu-u.ac.jp/dspace/bitstream/10091/5633/1/Textile_Report2-19.pdf

100-150 purpurogallin units / mg solid; one unit represents the ... 291 purpurogallin units/mg protein; one unit will form 1.0 mg ...

http://adt.lib.rmit.edu.au/adt/uploads/approved/adt-VIT20070111.123042/public/08Chapter7.pdf

20°C and pH 6.0 to purpurogallin. The orange color of purpurogallin was measured ... Concentration of purpurogallin was calculated from calibration curve of ...

http://katalog.pdii.lipi.go.id/index.php/searchkatalog/downloadDatabyId/7591/7591.pdf

by F Mizutani - 1998 - Cited by 2

http://rms1.agsearch.agropedia.affrc.go.jp/contents/JASI/pdf/society/57-1168.pdf

by P FRESH - Related articles

http://www.sigmaaldrich.com/etc/medialib/docs/Sigma/General_Information/2/peroxidase.Par.0001.File.dat/peroxidase.pdf

by P FRESH - Related articles

http://www.sigmaaldrich.com/etc/medialib/docs/Sigma/General_Information/acyl_coenzyme_a_oxidase.Par.0001.File.dat/acyl_coenzyme_a_oxidase.pdf

this method depends upon the extraction by ether of purpurogallin formed from .... 2 The activity of peroxidase, Purpurogallin Number of P.Z., is expressed ...

http://jds.fass.org/cgi/reprint/39/5/568.pdf

The formation of Purpurogallin is measured spectrophotometrically at 420nm1. 3.0 UNIT DEFINITION. That amount of enzyme which catalyses the production of ...

http://www.bbienzymes.com/userfiles/file/AP132PeroxidasePyrogallolprocedure02.pdf

One unit will form 1.0 milligram of purpurogallin from pyrogallol in 20 ... This purpurogallin (20 seconds) unit is equivalent to approximately 18 ตM units ...

https://www.sigma-aldrich.com/sigma/enzyme assay/p8125enz.pdf

techol, gallic acid, gallic acid methylester, and purpurogallin were obtained from Fluka AG, .... gallic acid methylester, 4-nitrocatechol, purpurogallin, ...

http://jb.asm.org/cgi/reprint/169/8/3696.pdf

bExpressed as micromoles of purpurogallin per milligram of protein per minute. 414. WINDER at Google Indexer on March 7, 2010 jb.asm.org. Downloaded from ...

http://jb.asm.org/cgi/reprint/92/2/413.pdf

File Format: PDF/Adobe Acrobat - Quick View

http://www.toyobo.co.jp/e/seihin/xr/enzyme/pdf_files/217_220PEO_302.pdf

Purpurogallin. Colchicin. Weitere Hydroxyannulenone mit aromatischen Anionen. Dreiecksäure = Deltasäure. Quadratsäure. (pKs1 = 1; pKs1 = 3,5). Croconsäure ...

http://www.uni-mainz.de/FB/Chemie/detert/downloads/oc4ablatt6.pdf

at 20°C. One purpurogallin unit will form 1 mg of purpurogallin from pyrogallol in 20 s at pH 6.0 and. 20°C. Goat anti-mouse IgG HRPO labelled (Sigma, ...

http://www.tyndall.ie/projects/dissarm/Presentations_dissarm/Surface.pdf

purpurogallin units/μL, respectively) in the average level of SoyP analyzed levels of activity. The average SoyP levels were at their highest levels at the ...

http://www.pork.org/PorkScience/Research/Documents/06-115-RICHERT-Purdue-ABS.pdf

(160 Purpurogallin. Units/mg,. RZ 1.6, Sigma Chemical Co.), and 90 mg .... assay (in Purpurogallin. Units) under optimum conditions, per 100 ml of reagent. ...

http://www.clinchem.org/cgi/reprint/19/9/959.pdf

peroxidase) preparation of a purity corresponding to 21 purpurogallin units6 ... whereas the pH optimum as obtained by the purpurogallin method is reported ...

http://actachemscand.dk/pdf/acta_vol_18_p0389-0401.pdf

by KG PAUL - 1954 - Cited by 12

http://actachemscand.dk/pdf/acta_vol_08_p0649-0657.pdf

by S Nagarajan - 2009 - Related articles

http://nsrdec.natick.army.mil/LIBRARY/00-09/R09-12.pdf

nitrosobenzene and tetra-methyl purpurogallin and its retro-Diels-Alder reaction ... An efficient synthesis of a Diels-Alder adduct between purpurogallin ...

http://eprints.kfupm.edu.sa/105827/1/105827_1.pdf

by H Ren - 2003 - Cited by 8

http://individual.utoronto.ca/jm0441/European_Journal_of_Medicinal_Chemistry_2003_38_949-957.pdf

of purpurogallin produced by the enzyme when acting upon pyrogallol ... enzyme, is the amount of purpurogallin in milligrams produced by 1 ...

http://physrev.physiology.org/cgi/reprint/8/2/245.pdf

can be of use only in those cases, such as purpurogallin and s-glucose, where sign relationships ... and Dr C. A. Taylor, who suggested purpurogallin as ...

http://journals.iucr.org/q/issues/1958/01/00/a02161/a02161.pdf

(Dunitz & Robertson, 1947), purpurogallin (Dunitz,. 1952), and triphenylene (Klug, 1950; ... cerning purpurogallin have yet been published, and the ...

http://journals.iucr.org/q/issues/1956/07/00/a01754/a01754.pdf

Horseradish peroxidase (HRP; 300 purpurogallin units/mg protein, ... units/mg protein) and human myeloperoxidase (MPO; 105 purpurogallin units/mg protein, ...

http://dlib.lib.cas.cz/2532/1/20061169.pdf

by AM MOORE - Cited by 29

http://www.aaccnet.org/cerealchemistry/backissues/1990/67_81.pdf