美拉德反应
化学
食品科学
木糖
防腐剂
壳聚糖
抗氧化剂
DPPH
保质期
抗菌剂
褐变
有机化学
发酵
作者
Ke‐Xue Zhu,Jie Li,Man Li,Xiao‐Na Guo,Wei Peng,Hui‐Ming Zhou
标识
DOI:10.1016/j.carbpol.2012.11.078
摘要
The objective of this research was to evaluate the antimicrobial, antioxidant and darkening inhibitory activities of Maillard reaction products (MRPs) prepared from chitosan and xylose, and their effects on the preservation and quality of semi-dried noodles. The development of brown color and UV absorbance changes indicated the proceeding of Maillard reaction. The antimicrobial activity, reducing power, DPPH radical scavenging activity, copper-chelating activity and PPO inhibitory effects of chitosan-xylose conjugates increased with the reaction. Addition of MRPs could improve the textural and cooking quality of semi-dried noodles. Incorporation of 0.35% MRPs (6 h) into semi-dried noodle resulted in an extension of shelf life for more than 7 days than the control noodles (at room temperature). The discoloration caused by the addition of MRPs was limited, and MRPs could inhibit darkening of the noodle effectively. Results suggested that the MRPs could be used as a novel promising preservative for semi-dried noodles.
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