TY - JOUR
T1 - Rapid and quantitative detection of trace Sudan black B in dyed black rice by surface-enhanced Raman spectroscopy (SERS)
AU - Zhao, Yubin
AU - Yamaguchi, Yoshinori
AU - Liu, Chenchen
AU - Li, Mingda
AU - Dou, Xiaoming
N1 - Funding Information:
This research was supported by the Grand-in-Aid for Scientific Research (A15H038270 (Y.Y)), the National Natural Science Foundation of China (No. 21804042), and the Research Start-up Fund Project of East China University of Science and Technology (No. YK0142119).
Funding Information:
This research was supported by the Grand-in-Aid for Scientific Research ( A15H038270 (Y.Y)), the National Natural Science Foundation of China (No. 21804042 ), and the Research Start-up Fund Project of East China University of Science and Technology (No. YK0142119 ).
Publisher Copyright:
© 2019 Elsevier B.V.
PY - 2019/6/5
Y1 - 2019/6/5
N2 - The use of Sudan black B as coloring agent in foods is forbidden for its toxicology effect on human organs. This work proposes an efficient and sensitive method for food security inspection targeting Sudan black B. Surface-enhanced Raman spectroscopy (SERS) is applied to the analysis of trace Sudan black B. It could be detected at concentrations as low as 0.05 mg/L in standard solutions and 0.1 mg/kg in black rice extracts with the SERS method for measurement. The linear relationship between the intensity and concentration could be used for the quantitative detection of Sudan black B. The relation between dyeing time of black rice stained by Sudan black B solution and SERS intensity was studied which indirectly showed the effectiveness of the extraction method we designed. The results of the quantitative analysis reveal the practicability of using this method to detect Sudan black B in black rice. As a rapid and sensitive detection method, SERS can be extended to detect other food products and has a great application prospect in food safety inspection.
AB - The use of Sudan black B as coloring agent in foods is forbidden for its toxicology effect on human organs. This work proposes an efficient and sensitive method for food security inspection targeting Sudan black B. Surface-enhanced Raman spectroscopy (SERS) is applied to the analysis of trace Sudan black B. It could be detected at concentrations as low as 0.05 mg/L in standard solutions and 0.1 mg/kg in black rice extracts with the SERS method for measurement. The linear relationship between the intensity and concentration could be used for the quantitative detection of Sudan black B. The relation between dyeing time of black rice stained by Sudan black B solution and SERS intensity was studied which indirectly showed the effectiveness of the extraction method we designed. The results of the quantitative analysis reveal the practicability of using this method to detect Sudan black B in black rice. As a rapid and sensitive detection method, SERS can be extended to detect other food products and has a great application prospect in food safety inspection.
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U2 - 10.1016/j.saa.2019.03.030
DO - 10.1016/j.saa.2019.03.030
M3 - Article
C2 - 30901705
AN - SCOPUS:85063058824
VL - 216
SP - 202
EP - 206
JO - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
JF - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
SN - 1386-1425
ER -
