食品科学 ›› 1998, Vol. 19 ›› Issue (6): 25-27.

• 食品科学 • 上一篇    下一篇

浓缩苹果汁生产中的抗坏血酸损失

 毕德成, 张国泉   

  1. 山东轻工业学院; 德州宝原果汁饮品公司
  • 出版日期:1998-06-15 发布日期:2011-12-12

 BI  De-Cheng, ZHANG  Guo-Quan   

  • Online:1998-06-15 Published:2011-12-12

摘要: 浓缩苹果汁时,在果汁酶解澄清操作中,抗坏血酸的损失最大,约为66%;破碎及离心分离、带式压榨、HTST灭菌和真空浓缩工序中其损失分别为2.6%、0.8%、2.8%和8.7%。在空气中暴露的时间越长,抗坏血酸的损失越大。

关键词: 浓缩苹果汁, 抗坏血酸

Abstract: The loss of ascorbic acid in the concentrated apple juice processing were studied. The most loss of ascorbic acid were 66% occurred in the pectin enzymic hydrolysis and juice clear processes. The crush and separating. The pressing. The HTST sterilization and the Vacum-concentrting occurred the losses Of the asscorbic arid were 2. 6%、 0. 8%、 2. 8% and 8. 7%, respechvely.

Key words: Concentrated, juice, Ascorbic, acid