糖姜片的无硫护色及加工工艺研究

    Ginger candy processing technology and antibrowning without sulphite

    • 摘要: 为寻找能替代存在食品安全问题的亚硫酸盐的护色剂,研究了糖姜片无硫护色生产工艺,达到了更高的食品安全的要求。以柠檬酸、植酸、EDTA二钠、氯化钙对姜片进行独立和复合护色处理,并对相关工艺进行研究。结果表明:三种试剂复合的效果优于单独或两种复合处理。同时姜片的厚度、护色工艺、烘干条件影响着护色效果。经0.02%EDTA二钠+0.10%柠檬酸+0.05%~0.15%的氯化钙护色处理的糖姜片感官质量最好,产品可以保持原有生姜的亮黄色;护色及加工工艺关键是将姜片切成1~2 mm厚的薄片,先用0.02%EDTA二钠+

       

      Abstract: In the hope of finding a good method and some chemical reagents instead of sulphite which causes the problem of food safety for antibrowning, the ginger candy processing technology was studied, in order to meet the higher requirement of the safety of food processing and consuming. The ginger candy was treated with phytic acid, disodium EDTA, citris acid and CaCl2 and its processing technology was studied. The results showed that the effect of compounds with three reagents was the best. The compounds with two reagents had better effect than that with only one reagent. And the thickness of ginger slice, the processing of treatment and the condition of drying greatly affected the antibrowning effect. The optimum proccessing conditions for obtaining the best effect of antibrowning treatment are that the ginger slice with 1~2 mm in thickness is blanched for ten minutes in the solution of 0.1% citris acid and 0.02% disodium EDTA, then soaked in the 0.1% CaCl2 solution for two hours, and washed off the antibrowning solution, alternatively heated and soaked in the sugar solution, finally dried at 40℃. Using this method can make the ginger candy keep its original color rather than browning.

       

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