The effects of different inhibitors on fresh-cut yacon were studied. It was optimized comprehensively for a variety of protect color inhibitors through orthogonal experiment and using multi-index experimental design and weighted score. The results showed that the optimum combination treatment was 0.5% citric acid ＋0.5%ascorbic acid ＋0.05%0 sodium pyrosulfite, and the optimum time for the fresh-cut yacon dipping in the solution was 10 min. After the treatment, the value offi was of 97.6414; the PPO activity was of 0.007; BD value was of 3.62; the quality of appearance ...
