• Laser & Optoelectronics Progress
  • Vol. 59, Issue 17, 1730003 (2022)
Zhiqun Ding1、*, Peihong Cheng1, Hongxia Zhao1, and Shufen Zhang2
Author Affiliations
  • 1School of Electronic and Information Engineering, Ningbo University of Technology, Ningbo 315211, Zhejiang , China
  • 2Ningbo Food Inspection and Testing Research Institute, Ningbo 315048, Zhejiang , China
  • show less
    DOI: 10.3788/LOP202259.1730003 Cite this Article Set citation alerts
    Zhiqun Ding, Peihong Cheng, Hongxia Zhao, Shufen Zhang. Quality Identification of Olive Oil Based on Three-Dimensional Fluorescence Characteristic Peak[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1730003 Copy Citation Text show less
    Schematic diagram of three-dimensional fluorescence spectrum acquisition system
    Fig. 1. Schematic diagram of three-dimensional fluorescence spectrum acquisition system
    Three-dimensional fluorescence spectra of four olive oils. (a) (d) (e) Extra virgin olive oil of brand A, C, and D; (b) refined olive oil of brand A; (c) extra virgin olive oil of brand B
    Fig. 2. Three-dimensional fluorescence spectra of four olive oils. (a) (d) (e) Extra virgin olive oil of brand A, C, and D; (b) refined olive oil of brand A; (c) extra virgin olive oil of brand B
    Quality factors of extra virgin olive oil, refined olive oil, and their adulterated olive oil
    Fig. 3. Quality factors of extra virgin olive oil, refined olive oil, and their adulterated olive oil

    Sample

    number

    Acid value /(mg/g)Peroxide number /[g/(100 g)]Trans fatty acids /[g/(100 g)]Remark
    1#0.500.1900.0360Brand A, extra-virgin olive oil
    2#0.050.0480.0565Brand A, refining olive oil

    3#

    4#

    5#

    6#

    7#

    8#

    9#

    10#

    0.37

    0.39

    0.54

    0.42

    0.34

    0.34

    0.25

    0.21

    0.048

    0.073

    0.110

    0.110

    0.110

    0.100

    0.110

    0.087

    0.1980

    0.0269

    0.0315

    0.0386

    0.0403

    0.0459

    0.0472

    0.0510

    Brand B, extra-virgin olive oil

    Brand C, extra-virgin olive oil

    Brand D, extra-virgin olive oil

    Brand A, EVOO (90%)+ FV (10%)

    Brand A, EVOO (80%) + FV (20%)

    Brand A, EVOO (70%) + FV (30%)

    Brand A, EVOO (60%) + FV (40%)

    Brand A, EVOO (50%) + FV (50%)

    Table 1. Traditional detection index of olive oil samples
    Sample numberIntegrate value of fluorescence characteristic peak 1Integrate value of fluorescence characteristic peak 2Integrate value of fluorescence characteristic peak 3
    Start 400 nm

    End

    450 nm

    Start

    500 nm

    End

    520 nm

    Start

    679 nm

    End

    681 nm

    1#9417637354222782217
    2#3220272214221086607566
    3#245551460431268254
    4#275715933826912747
    5#26040867078815021425
    6#14317536255621882128
    7#24125041758820501984
    8#46746857069724332443
    9#80568970679817881709
    10#88875172679216631586
    Table 2. Three-dimensional fluorescence characteristic peaks of olive oil samples

    Sample

    number

    NRemark
    1#3.80Brand A, extra-virgin olive oil
    2#0.13Brand A, refining olive oil

    6#

    7#

    8#

    9#

    10#

    3.49

    2.69

    2.14

    1.56

    1.02

    Brand A, EVOO (90%) + FV (10%)

    Brand A, EVOO (80%) + FV (20%)

    Brand A, EVOO (70%) + FV (30%)

    Brand A, EVOO (60%) + FV (40%)

    Brand A, EVOO (50%) + FV (50%)

    Table 3. Quality factors N of olive oil samples
    Zhiqun Ding, Peihong Cheng, Hongxia Zhao, Shufen Zhang. Quality Identification of Olive Oil Based on Three-Dimensional Fluorescence Characteristic Peak[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1730003
    Download Citation