Determination of Ca addition to the wheat flour by using laser-induced breakdown spectroscopy (LIBS)

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Date

2016

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Springer

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Department of Electrical & Electronics Engineering
Department of Electrical and Electronics Engineering (EE) offers solid graduate education and research program. Our Department is known for its student-centered and practice-oriented education. We are devoted to provide an exceptional educational experience to our students and prepare them for the highest personal and professional accomplishments. The advanced teaching and research laboratories are designed to educate the future workforce and meet the challenges of current technologies. The faculty's research activities are high voltage, electrical machinery, power systems, signal and image processing and photonics. Our students have exciting opportunities to participate in our department's research projects as well as in various activities sponsored by TUBİTAK, and other professional societies. European Remote Radio Laboratory project, which provides internet-access to our laboratories, has been accomplished under the leadership of our department with contributions from several European institutions.

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Abstract

The aim of the study was to determine Ca addition to the flour by using laser-induced breakdown spectroscopy (LIBS) as a quick and simple multi-elemental spectroscopy method. Different amounts of CaCO3-added wheat flour were analyzed using LIBS to determine Ca content and Ca/K ratio, which is used for discrimination of natural and Ca-added flour. LIBS spectra were quantitatively evaluated with partial least square (PLS) method as a multivariate data analysis method to eliminate the matrix effect. Ca and Ca/K calibration graphs of PLS method showed good linearity with coefficient of determinations (R (2)) 0.999. Limit of detection values for Ca and Ca/K analysis were calculated as 25.9 ppm and 0.013, respectively. Furthermore, the results were found to be consistent with the data obtained from atomic absorption spectroscopy method as a reference method for flour samples.

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Berberoglu, Halil/0000-0002-2435-3631; Koksel, Hamit/0000-0003-4150-2413; Boyaci, Ismail/0000-0003-1333-060X; SEZER, Banu/0000-0002-0743-3453

Keywords

Laser-induced breakdown spectroscopy, LIBS, Dietary fiber, Ash analysis, Wheat flour, Ca salt

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Citation

25

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Q2

Scopus Q

Q2

Source

Volume

242

Issue

10

Start Page

1685

End Page

1692

URI

https://doi.org/10.1007/s00217-016-2668-2
 https://hdl.handle.net/20.500.14411/628

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