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Products: Apricots
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Effect of SO2 on sugars, indicators of maillard reaction and browning in dried apricots during storage.
Authors: Hamzaoğlu, F., Türkyılmaz, M., & Özkan, M.
- Journals: J Sci Food Agric
- Pages:
- Year: 2018
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BACKGROUND: The effect of sulfur dioxide (SO2) concentration was determined on sugars and indicators in the Maillard reaction (MR), and on browning, in sulfured, dried apricots (SDAs) during storage at 4, 20 and 30 °C for 379 days. RESULTS: As SO2 concentration increased, the content of reducing sugars involved in the MR also increased. The preventive effect of SO2 on the MR could not result from the binding of SO2 to reducing sugars. Before storage, furosine was detected in the non-SDAs but 5-hydroxymethylfurfural (HMF) was not detected. Even the lowest SO2 concentration (451 mg kg-1 ) was sufficient to prevent the formation of furosine and HMF during drying of apricots. CONCLUSION: Formation of furosine and HMF in all samples during storage at 20 and 30 °C for 379 days indicated that SO2 could not prevent the first and intermediate stages of MR in SDAs during storage. Thus, the main prevention effect of SO2 on browning in SDAs occurred during drying, not storage.