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  • CHINESEENGLISH
    FD Info.

    青海快三走势图 www.wjpkd.com Sweep the concern Orientland!

    Freeze drying is the process of dehydrating frozen foods under a vacuum so the moisture content changes directly from a solid to a gaseous form without having to undergo the intermediate liquid state through sublimation. In this process, the product maintains its original size and shape with a minimum of cell rupture. Removing moisture prevents a product from deteriorating at room temperature. The process is used for drying and preserving a number of food products, including fruits, vegetables, and instant soup.


    The dried product will be the same size and shape as the original frozen material and will be found to have excellent stability and convenient reconstitution when placed in water. Freeze dried products will maintain nutrients, color, flavor, and texture often indistinguishable from the original product.


    Depending on the product and the packaging environment, freeze dried foods are shelf-stable at room temperature for up to two and a half years or more, if canned, and between 6 months to 3 years if stored in a poly-bag container.


    The main determinant of degradation is the amount and type of fat content and the degree to which oxygen is kept away from the product.


    The Benefits of Freeze-Drying


    ◆ Retains original characteristics of the product, including:

    ? color

    ? form

    ? size

    ? taste

    ? texture

    ? nutrients

    ◆ Reconstitutes to original state when placed in water

    ◆ Shelf stable at room temperature - cold storage not required

    ◆ The weight of the freeze-dried products is reduced by 70 to 90 percent, with no change in volume

    ◆ The product is light weight and easy to handle

    ◆ Shipping costs are reduced because of the light weight and lack of refrigeration

    ◆ Low water activity virtually eliminates microbiological concerns

    ◆ Offers highest quality in a dry product compared to other drying methods

    ◆ Virtually any type of food or ingredient, whether solid or liquid, can be freeze-dried

  • 【理上网来·喜迎十九大】建设世界一流军队的科学指南 2019-10-10
  • 执导《玩具总动员》美国动画大师涉性骚扰将离职 2019-09-27
  • 新一批赴黎维和扫雷官兵全面展开“蓝线”扫雷 2019-09-21
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  • "反恐先锋"武警新疆某特勤中队:维护安全稳定的"压舱石" 2019-09-08
  • 不服来战!武汉除雪“神器”陆续出动 大雪认怂 2019-08-29
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