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The influence of applewood polyphenols on the oxidative stability of mayonnaise
Hannes Withouck1, Axel Paelinck2, Lore Gheysen3
1Biochemical Innovation Team Odisee (BIT-O), Department Chemistry, Odisee University College, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium; Meat Technology & Science of Protein-rich Foods (MTSP), Department M2S, Leuven Food Science and Nutrition Research Centre (LFoRCe), KU Leuven - Ghent, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium.
Abstract:
Lipid oxidation is a primary cause of quality deterioration in mayonnaise. The aim of the present study was to determine the effect of polyphenols extracted from applewood in inhibiting lipid autoxidation in mayonnaise during 12 weeks of storage at 37 °C, compared to a mayonnaise with the synthetic antioxidant (EDTA) and a control mayonnaise. The oxidative stability was studied by measuring hydroperoxides (FOX), volatile organic compounds (HS-SPME GC-MS) and the evolution of the predominant polyphenol present in applewood extract (UHPLC-DAD) during storage. Crude extract from applewood was obtained using ultrasonic assisted extraction. Mayonnaises stabilized with EDTA and polyphenols exhibited a delayed increase in the formation of hydroperoxides compared to the control mayonnaise. In the secondary oxidation stage, polyphenols extracted from applewood were more efficient than EDTA. The findings of this study suggest that applewood extract exhibits promising potential as a natural antioxidant for use in commercial mayonnaises.
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