Polycyclic Aromatic Hydrocarbons (PAHs) in Grilled Marshmallows

Area of Science:

• Food Science
• Environmental Health
• Analytical Chemistry

Background:

• Marshmallow consumption is common among children and adolescents.
• Grilling food can generate harmful compounds like polycyclic aromatic hydrocarbons (PAHs).
• Limited data exists on PAH levels in grilled marshmallows and associated health risks.

Purpose of the Study:

• To assess health risks in children and adolescents consuming grilled marshmallows.
• To quantify polycyclic aromatic hydrocarbons (PAHs) in various grilled marshmallow samples.
• To raise awareness about carcinogenic substances in popular food products.

Main Methods:

• Survey of approximately 300 children and adolescents on marshmallow consumption habits.
• Chemical analysis of grilled marshmallows for PAH content.
• Extraction and quantification of PAHs using liquid-liquid extraction, solid-phase extraction (SPE), high-performance thin-layer chromatography, and gas chromatography-tandem mass spectrometry (GC-MS/MS) in selective reaction monitoring (SRM) mode.

Main Results:

• Raw marshmallows contained no detectable PAHs.
• 63.5% of surveyed individuals consumed grilled marshmallows, indicating widespread exposure.
• All grilled marshmallow samples contained carcinogenic benzo(a)pyrene (BaP).
• Multicolored marshmallows exhibited higher PAH concentrations than white sugar varieties.
• PAH profiles were consistent across different grilling methods.

Conclusions:

• Grilling marshmallows leads to the formation of carcinogenic PAHs, posing a health risk to consumers, especially children and adolescents.
• The presence of benzo(a)pyrene (BaP) in all grilled samples is a significant concern.
• There is a critical need for increased public awareness regarding the health implications of consuming grilled marshmallows.