Antioxidative properties of a chitosan-glucose Maillard reaction product and its effect on pork qualities during refrigerated storage

作者：Chang H L; Chen Y C; Tan F J^*

来源：Food Chemistry, 2011, 124(2): 589-595.

DOI：10.1016/j.foodchem.2010.06.080

• Antioxidative
• Chitosan
• Glucose
• Maillard reaction
• Pork

The objective of this study was to evaluate the antioxidative properties of a chitosan-glucose Maillard reaction product (CG-MRP), and its effect on pork qualities during refrigerated storage. Chitosan (1%), which was dissolved in acetic acid (1%) with 1.0%, 1.5%, or 2.0% glucose, pH adjusted to 6.0, autoclaved (121 degrees C, 15 min) and cooled, was prepared. The results showed that the 2,2-dipheny1-1-picrylhydrazy1 (DPPH) radical scavenging activities, ferrous ion chelating abilities, and reducing powers of various CG-MRP solutions were not significantly different. Pork loins soaked in the CG-MRP solutions or deionized water for 10 min and without dipping were stored at 4 degrees C for 7 days. Little influence was observed on the L*, a*, and b* colour values of the samples. Dipping in CG-MRP tended to retard the increases in volatile basic nitrogen (VBN) and thiobarbituric acid-reactive substances (TBARS) values, and resulted in lower microbial counts during storage. No detrimental influence on the sensory characteristics was found.

• 出版日期2011-1-15