Please use this identifier to cite or link to this item: http://hdl.handle.net/10603/222778
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dc.date.accessioned2018-12-06T12:19:20Z-
dc.date.available2018-12-06T12:19:20Z-
dc.identifier.urihttp://hdl.handle.net/10603/222778-
dc.description.abstractMulti-electrode Impedance technique is proposed for discrimination of Indian black tea.Impedance response of platinum, gold, silver, glassy carbon, polyaniline and polypyrrole working electrodes in tea infusions for a sinusoidal excitation in the frequency range of 1Hz to 100kHz has been measured.Also,the percentage of major chemical constituents responsible for the tea quality has been determined by HPLC and UV vis spectrophotometer.Frequency specific impedance response of these working electrodes along with the determined chemical concentrations was subjected to Principal Component Analysis to confirm the discriminability of the proposed impedance technique.The correlations between the frequency specific impedance response of working electrodes and the chemical concentrations which depend on sample variability,such as harvest interval,manufacturing process and brand type have been established.
dc.format.extentxxvii, 271p.
dc.languageEnglish
dc.relation
dc.rightsuniversity
dc.titleInvestigations on sensorial properties of indian black teas using impedance based techniques
dc.title.alternative
dc.creator.researcherDhiman, Mopsy
dc.subject.keywordEngineering and Technology
dc.subject.keywordMulti-electrode impedance technique
dc.subject.keywordPCA
dc.description.note
dc.contributor.guideSingla, Madan Lal and Ganguli, Abhijit and Kapur, Pawan
dc.publisher.placePatiala
dc.publisher.universityThapar Institute of Engineering and Technology
dc.publisher.institutionDepartment of Biotechnology
dc.date.registered
dc.date.completed2013
dc.date.awarded
dc.format.dimensions
dc.format.accompanyingmaterialNone
dc.source.universityUniversity
dc.type.degreePh.D.
Appears in Departments:Department of Biotechnology

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file1(title).pdf166.08 kBAdobe PDFView/Open
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file3(preliminary pages).pdf481.42 kBAdobe PDFView/Open
file4(chapter 1).pdf835.44 kBAdobe PDFView/Open
file5(chapter 2).pdf280.08 kBAdobe PDFView/Open
file6(chapter 3).pdf1.08 MBAdobe PDFView/Open
file7(chapter 4).pdf1.67 MBAdobe PDFView/Open
file8(chapter 5).pdf233.11 kBAdobe PDFView/Open
file9(references).pdf347.91 kBAdobe PDFView/Open


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