Application in Identification of Adulterated Sesame Oil for Three-Dimensional Fluorescence Spectroscopy Combined with Wavelet Compression and APTLD

Deming Kong; Yumeng Li; Yaoyao Cui; Chunxiang Zhang; Shutao Wang; Xijun Wu

doi:10.3788/AOS201939.0330004

Acta Optica Sinica, Volume. 39, Issue 3, 0330004(2019)

Application in Identification of Adulterated Sesame Oil for Three-Dimensional Fluorescence Spectroscopy Combined with Wavelet Compression and APTLD

Deming Kong¹, Yumeng Li¹, Yaoyao Cui^2、*, Chunxiang Zhang¹, Shutao Wang¹, and Xijun Wu¹

Author Affiliations

¹ School of Electrical Engineering, Yanshan University, Qinhuangdao, Hebei 0 66004, China

² School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei 0 66004, China

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Figures & Tables(13)

Fig. 1. Fluorescence spectra of original and corrected Z7 samples. (a) Original three-dimensional spectral map; (b) corrected three-dimensional spectral map; (c) original contour map; (d) corrected contour map

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Fig. 2. Trilinear model

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Fig. 3. Fluorescence spectral data of Z7 before and after compression. (a) Before compression; (b) after compression

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Fig. 4. Partial emission spectra of Z7 before and after compression. (a1)-(a4) Before compression; (b1)-(b4) after compression

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Fig. 5. Analytical results of Z7 and Z9 with APTLD algorithm. (a) Emission spectra; (b) excitation spectra

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Fig. 6. Analytical results of Z7 and F6 with APTLD algorithm. (a) Emission spectra; (b) excitation spectra

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Fig. 7. Analytical results of Z7 and F12 with APTLD algorithm. (a) Emission spectra; (b) excitation spectra

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Fig. 8. Fitting curves between fluorescence intensity of each component obtained by APTLD algorithm and proportion of each component. (a) Sesame essence in F1-F7 and L1-L4 samples; (b) corn oil in F1-F7 and L1-L4 samples; (c) sesame essence in F8-F13 and L5-L8 samples; (d) rapeseed oil in F8-F13 and L5-L8 samples

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Table 1. Brand of vegetable oil samples

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Table 1. Brand of vegetable oil samples

Sample	Brand
Z1Z2Z3Z4Z5Z6Z7Z8Z9Z10Z11Z12Z13Z14Y1Y2Y3Y4Y5CJ	DamingyongzhenFulinmenHuaruiLihongMingxuanFulaiweiJinlongyuDamingyongzhenFulaiweiFulinmenJinlongyuLuhuaMingxuanDamingyongzhenWannianJinlongyuLuhuaFulinmenXiwangJindingShangwei

Table 2. Proportion of each component in adulterated oil samples

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Table 2. Proportion of each component in adulterated oil samples

Sample	Proportion
F1F2F3F4F5F6F7L1L2L3L4F8F9F10F11F12F13L5L6L7L8	J_X…Y=0…9J_X…Y=0.5…5J_X…Y=3…3J_X…Y=4…2J_X…Y=5…0.5J_X…Y=6…0.5J_X…Y=8…0J_X…Y=4.2…7.5J_X…Y=4.8…5.2J_X…Y=5.2…4.2J_X…Y=6.6…3.6J_X…C=0.5:9J_X…C=2…7J_X…C=3…4J_X…C=4…2J_X…C=5…1J_X…C=9…0.5J_X…C=3.7…5.5J_X…C=4.5…3.4J_X…C=5.5…2.0J_X…C=6.5…1.5

Table 3. Compression results of several analytical samples
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Table 3. Compression results of several analytical samples
Sample L_CS /% L_RS /%
Z7F6F13 96.5696.9594.68 99.9698.9999.91

Table 4. Predicted proportion and recovery rate of each component in adulterated sesame oil samples L1-L4

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Table 4. Predicted proportion and recovery rate of each component in adulterated sesame oil samples L1-L4

Sample	Recovery ratio /%[predicted proportion]
	APTLD		SWATLD		PARAFAC
	Sesame essence	Corn oil	Sesame essence	Corn oil	Sesame essence	Corn oil
L1L2L3L4	97.9[4.11]98.1[4.71]99.8[5.19]99.5[6.57]	97.5[7.31]99.8[5.19]97.9[4.11]99.2[3.57]	97.3[4.09]97.5[4.68]98.3[5.11]98.5[6.50]	96.4[7.23]97.3[5.06]96.0[4.03]97.5[3.51]	93.1[3.91]95.0[4.56]93.7[4.87]94.5[6.24]	94.0[7.05]95.6[4.97]94.3[3.96]90.8[3.27]
(r_a±r_e) /%RMSEP	98.8±1.50.066	98.6±3.30.106	97.9±2.80.105	96.8±5.20.149	94.1±8.10.308	93.7±11.40.325

Table 5. Predicted proportion and recovery rate of each component in adulterated sesame oil samples L5-L8

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Table 5. Predicted proportion and recovery rate of each component in adulterated sesame oil samples L5-L8

Sample	Recovery /%[predicted proportion]
	APTLD		SWATLD		PARAFAC
	Sesame essence	Rapeseed oil	Sesame essence	Rapeseed oil	Sesame essence	Rapeseed oil
L5L6L7L8	97.8[3.62]96.4[4.34]99.1[5.45]98.0[6.37]	96.7[5.32]95.9[3.26]96.5[1.93]98.0[1.47]	97.0[3.59]95.1[4.28]98.3[5.41]96.8[6.29]	95.8[5.27]93.8[3.19]93.5[1.87]95.3[1.43]	86.8[3.21]89.1[4.01]90.4[4.97]90.8[5.90]	89.1[4.90]92.6[3.15]89.0[1.78]87.3[1.31]
(r_a±r_e) /%RMSEP	97.8±2.90.113	96.8±3.10.120	96.8±4.30.168	94.6±4.40.172	89.3±13.50.530	89.5±9.10.356

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Deming Kong, Yumeng Li, Yaoyao Cui, Chunxiang Zhang, Shutao Wang, Xijun Wu. Application in Identification of Adulterated Sesame Oil for Three-Dimensional Fluorescence Spectroscopy Combined with Wavelet Compression and APTLD[J]. Acta Optica Sinica, 2019, 39(3): 0330004

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