Spectrophotometric determination of polyphenols in green teas with 18-molybdodiphosphate

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dc.citation.epage142
dc.citation.issue2
dc.citation.journalTitleChemistry & Chemical Technology
dc.citation.spage135
dc.citation.volume12
dc.contributor.affiliationAl-Balqa Applied University
dc.contributor.affiliationOles Honchar Dnipro National University
dc.contributor.authorAl-Shwaiyat, Mohammed
dc.contributor.authorDenisenko, Tatyana
dc.contributor.authorMiekh, Yuliia
dc.contributor.authorVishnikin, Andriy
dc.coverage.placenameLviv
dc.date.accessioned2019-06-18T13:20:37Z
dc.date.available2019-06-18T13:20:37Z
dc.date.created2018-01-20
dc.date.issued2018-01-20
dc.description.abstractОцінено реакційну здатність 18-молібдоди- фосфатного гетерополікомплексу (18-МФК) щодо поліфеноль- них сполук, які містяться в зелених чаях. В таких реакціях в залежності від співвідношення відновника до 18-MФК спів- існують одно- та двоелектронні гетерополісині. Результати визначення загального вмісту поліфенолів у зелених чаях різних марок, отриманих з 18-МФК та реагентом Фоліна-Чокальтеу, близькі один до одного. Показані недоліки існуючих методів.
dc.description.abstractThe reactivity of 18-molybdodiphosphate heteropoly complex (18-MPC) with respect to the polyphenolic compounds contained in green teas was estimated. The one- and two-electron heteropoly blues coexist depending on the ratio of reducing agent to 18-MPC in such reactions. The results for the determination of total content of polyphenols in green teas of different brands obtained with 18-MPC and Folin- Ciocalteu reagent are close to each other. The disadvantages of the existing methods are shown.
dc.format.extent135-142
dc.format.pages8
dc.identifier.citationSpectrophotometric determination of polyphenols in green teas with 18-molybdodiphosphate / Mohammed Al-Shwaiyat, Tatyana Denisenko, Yuliia Miekh, Andriy Vishnikin // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 2. — P. 135–142.
dc.identifier.citationenSpectrophotometric determination of polyphenols in green teas with 18-molybdodiphosphate / Mohammed Al-Shwaiyat, Tatyana Denisenko, Yuliia Miekh, Andriy Vishnikin // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 2. — P. 135–142.
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/45140
dc.language.isoen
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofChemistry & Chemical Technology, 2 (12), 2018
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dc.relation.referencesen[3] Singleton V., Orthofer R., Lamuela-Raventos R.:Meth. Enzymol., 1999, 299, 152.https://doi.org/10.1016/S0076-6879(99)99017-1
dc.relation.referencesen[4] Denisenko T., Tsiganok L., Vishnikin A., Analitika i Kontrol,2015, 19, 373. https://doi.org/10.15826/analitika.2015.19.4.012
dc.relation.referencesen[5] Zaveri N., Life Sci., 2006, 78, 2073.https://doi.org/10.1016/j.lfs.2005.12.006
dc.relation.referencesen[6] Price K., RhodesM., Barnes K., J. Agric. Food Chem., 1998, 46,4898. https://doi.org/10.1021/jf980687v
dc.relation.referencesen[7] HertogM., Hollman P., Putte B., J. Agric. Food Chem., 1993,41, 1242. https://doi.org/10.1021/jf00032a015
dc.relation.referencesen[8] Balentine D., Wiseman S., Bouwens L., Crit. Rev. Food Sci. Nutr., 1997, 37, 693. https://doi.org/10.1080/10408399709527797
dc.relation.referencesen[9] HarbowyM., Balentine D., Crit. Rev. Plant Sci., 1997, 16, 415.https://doi.org/10.1080/07352689709701956
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dc.relation.referencesen[28]Mariya J., Vijayan D., Raj Kumar R. et al., Asian J. Plant Sci.,2006, 5, 123. https://doi.org/10.3923/ajps.2006.123.126
dc.relation.referencesen[29] Timbola A., de Souza C., Giacomelli C. et al., J. Braz. Chem. Soc., 2006, 17, 139. https://doi.org/10.1590/S0103-50532006000100020
dc.relation.urihttps://doi.org/10.1016/S0039-9140(99)00222-2
dc.relation.urihttps://doi.org/10.1016/S0076-6879(99)99017-1
dc.relation.urihttps://doi.org/10.15826/analitika.2015.19.4.012
dc.relation.urihttps://doi.org/10.1016/j.lfs.2005.12.006
dc.relation.urihttps://doi.org/10.1021/jf980687v
dc.relation.urihttps://doi.org/10.1021/jf00032a015
dc.relation.urihttps://doi.org/10.1080/10408399709527797
dc.relation.urihttps://doi.org/10.1080/07352689709701956
dc.relation.urihttps://doi.org/10.1080/10408690390826464
dc.relation.urihttp://www.gosthelp.ru/gost/gost16980.html
dc.relation.urihttp://www.internet-law.ru/gosts/gost/62348/
dc.relation.urihttps://doi.org/10.1016/S0039-9140(02)00030-9
dc.relation.urihttps://doi.org/10.1016/j.jchromb.2013.11.007
dc.relation.urihttps://doi.org/10.1006/abio.2000.4487
dc.relation.urihttps://doi.org/10.3390/12071496
dc.relation.urihttps://doi.org/10.1016/S0021-9673(98)00737-7
dc.relation.urihttps://doi.org/10.15826/analitika.2015.19.3.001
dc.relation.urihttps://doi.org/10.1080/10408398609527441
dc.relation.urihttps://doi.org/10.1016/j.microc.2013.04.020
dc.relation.urihttps://doi.org/10.2116/analsci.31.529
dc.relation.urihttps://doi.org/10.1016/j.talanta.2012.02.049
dc.relation.urihttps://doi.org/10.1016/j.talanta.2012.03.059
dc.relation.urihttps://doi.org/10.1080/00032719.2010.500789
dc.relation.urihttps://doi.org/10.3923/ajps.2006.123.126
dc.relation.urihttps://doi.org/10.1590/S0103-50532006000100020
dc.rights.holder© Національний університет „Львівська політехніка“, 2018
dc.rights.holder© Al-Shwaiyat M., Denisenko T., Miekh Yu., Vishnikin A., 2018
dc.subjectспектрофотометрія
dc.subjectгетеропо- лікомплекси структури Доусона
dc.subjectреактив Фоліна-Чокальтеу
dc.subject18-молібдодифосфат
dc.subjectкатехіни
dc.subjectspectrophotometry
dc.subjectDawson heteropoly complexes
dc.subjectFolin-Chiocalteu reagent
dc.subject18-molybdodiphosphate
dc.subjectcatechins
dc.subjecttea analysis
dc.titleSpectrophotometric determination of polyphenols in green teas with 18-molybdodiphosphate
dc.title.alternativeСпектрофотометричне визначення поліфенолів в зелених чаях з 18-молібдодифосфатом
dc.typeArticle

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Chemistry & Chemical Technology. – 2018. – Vol. 12, No. 2