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Monitoring the benzene contents in soft drinks using headspace gas chromatography-mass spectrometry: A survey of the situation on the Belgian market

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Abstract
Whenever benzoic acid is combined with ascorbic acid in acidic beverages such as soft drinks, benzene can be formed. To determine the current situation on the Belgian market, a headspace gas chromatographic mass spectrometric method was developed, which needs little to no sample preparation. This method was then used to analyze 134 soft drinks sampled on the Belgian market by the Federal Agency for the Safety of the Food Chain. Thirty-three percent of the samples contained no detectable benzene, whereas the majority of the samples (47%) contained trace amounts below the limit of quantification of the method (0.3 mu g L-1). Ten samples were above the European limit for benzene in drinking water of 1 mu g L-1, and one sample had a concentration of 10.98 mu g L-1, thereby exceeding the action limit for benzene in soft drinks of 10 mu g L-1 discussed at the Standing Committee on the Food Chain and Animal Health of the European Commission. Statistical analyses revealed that besides benzoic acid, ascorbic acid, and acidity regulators, the packing may also play an important role in benzene formation.
Keywords
GC-MS, headspace, benzene, soft drink

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Chicago
Van Poucke, Christof, Christel Detavernier, Jan Van Bocxlaer, Rudi Vermeylen, and Carlos Van Peteghem. 2008. “Monitoring the Benzene Contents in Soft Drinks Using Headspace Gas Chromatography-mass Spectrometry: A Survey of the Situation on the Belgian Market.” Journal of Agricultural and Food Chemistry 56 (12): 4504–4510.
APA
Van Poucke, C., Detavernier, C., Van Bocxlaer, J., Vermeylen, R., & Van Peteghem, C. (2008). Monitoring the benzene contents in soft drinks using headspace gas chromatography-mass spectrometry: A survey of the situation on the Belgian market. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 56(12), 4504–4510.
Vancouver
1.
Van Poucke C, Detavernier C, Van Bocxlaer J, Vermeylen R, Van Peteghem C. Monitoring the benzene contents in soft drinks using headspace gas chromatography-mass spectrometry: A survey of the situation on the Belgian market. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. 2008;56(12):4504–10.
MLA
Van Poucke, Christof, Christel Detavernier, Jan Van Bocxlaer, et al. “Monitoring the Benzene Contents in Soft Drinks Using Headspace Gas Chromatography-mass Spectrometry: A Survey of the Situation on the Belgian Market.” JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 56.12 (2008): 4504–4510. Print.
@article{533681,
  abstract     = {Whenever benzoic acid is combined with ascorbic acid in acidic beverages such as soft drinks, benzene can be formed. To determine the current situation on the Belgian market, a headspace gas chromatographic mass spectrometric method was developed, which needs little to no sample preparation. This method was then used to analyze 134 soft drinks sampled on the Belgian market by the Federal Agency for the Safety of the Food Chain. Thirty-three percent of the samples contained no detectable benzene, whereas the majority of the samples (47\%) contained trace amounts below the limit of quantification of the method (0.3 mu g L-1). Ten samples were above the European limit for benzene in drinking water of 1 mu g L-1, and one sample had a concentration of 10.98 mu g L-1, thereby exceeding the action limit for benzene in soft drinks of 10 mu g L-1 discussed at the Standing Committee on the Food Chain and Animal Health of the European Commission. Statistical analyses revealed that besides benzoic acid, ascorbic acid, and acidity regulators, the packing may also play an important role in benzene formation.},
  author       = {Van Poucke, Christof and Detavernier, Christel and Van Bocxlaer, Jan and Vermeylen, Rudi and Van Peteghem, Carlos},
  issn         = {0021-8561},
  journal      = {JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY},
  keyword      = {GC-MS,headspace,benzene,soft drink},
  language     = {eng},
  number       = {12},
  pages        = {4504--4510},
  title        = {Monitoring the benzene contents in soft drinks using headspace gas chromatography-mass spectrometry: A survey of the situation on the Belgian market},
  url          = {http://dx.doi.org/10.1021/jf072580q},
  volume       = {56},
  year         = {2008},
}

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