Rapid and sensitive determination of benzo[a]pyrene in black ginseng using fluorescence detector and high performance liquid chromatography-tandem mass spectrometry

Hyun-jeong Cho; Hye-jin Kim; Byeong-cheol Son; Dong-keun Jo; Byung-lim Cho

doi:10.1117/12.2022473

29 May 2013 Rapid and sensitive determination of benzo[a]pyrene in black ginseng using fluorescence detector and high performance liquid chromatography-tandem mass spectrometry

Hyun-jeong Cho, Hye-jin Kim, Byeong-cheol Son, Dong-keun Jo, Byung-lim Cho

Author Affiliations +

Proceedings Volume 8721, Sensing for Agriculture and Food Quality and Safety V; 87210W (2013) https://doi.org/10.1117/12.2022473
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

Black ginseng is produced by steaming a ginseng root followed by drying repeatedly 9 times during the process and it is changed to be black color, so it is known that a black ginseng has more contents of saponins than red ginseng. However a fake black ginseng which is produced to be black color at high temperature in a short period of time generate carcinogenic benzo[a]pyrene(BaP) through the process. In this year, maximum residue level(MRL) for BaP was established to 2 ug/kg in black ginseng and more sensitive method was developed to quantitatively analyze the BaP by high performance liquid chromatography (HPLC) coupling with florescence detector and tandem mass spectrometry (atmospheric pressure chemical ionization-MS/MS). Chromatographic separation was performed on a Supelcosil™ LC-PAH column (3 μm, 3 mm x 50 mm). Mobile phase A was water and mobile phase B was acetonitrile. BaP was exactly separated from other 15 polycyclic aromatic hydrocarbons (PAHs) which have been selected as priority pollutants by the US Environmental Protection Agency (EPA). Linearity of detection was in the range of 0.2~20 μg/kg and limit of detection (LOD) for BaP was lower than 0.1 μg/kg, limit of quantification (LOQ) was 0.2 μg/kg. The recovery of Bap was 92.54%±6.3% in black ginseng.

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Hyun-jeong Cho, Hye-jin Kim, Byeong-cheol Son, Dong-keun Jo, and Byung-lim Cho "Rapid and sensitive determination of benzo[a]pyrene in black ginseng using fluorescence detector and high performance liquid chromatography-tandem mass spectrometry", Proc. SPIE 8721, Sensing for Agriculture and Food Quality and Safety V, 87210W (29 May 2013); https://doi.org/10.1117/12.2022473

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KEYWORDS

Calibration

Sensors

Luminescence

Mass spectrometry

Liquids

Chemical analysis

Sensor performance

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