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    • 1. 发明授权
    • Device and method for measuring the water activity of foods
    • 食品水分活度测定装置及方法
    • US08632732B2
    • 2014-01-21
    • US12919481
    • 2008-02-28
    • Dimas Jimenez MendozaRamón Arana Errasqui
    • Dimas Jimenez MendozaRamón Arana Errasqui
    • G01N21/75G01N33/02
    • G01N33/02
    • Example embodiments relate a device for measuring the water activity of foods and method for obtaining a water activity measurement. The device includes a container housing the food sample, a disc of permeable material to support a reactive substance which in turn is used to record the water activity level of the food sample (23) being studied. The substance is positioned in the center of the disc. A threaded cover is disposed at a free end of the container. When insulation is provided between the interior and exterior of the container, any water contained in the food sample evaporates and as it passes through the disc. As the water comes into contact with the reactive substance, a color scale records the water activity of the study sample.
    • 示例性实施例涉及用于测量食物的水分活动的装置和用于获得水分活度测量的方法。 该装置包括容纳食物样品的容器,可渗透材料盘,以支撑反应性物质,其又用于记录正在研究的食物样品(23)的水分活度水平。 该物质位于盘的中心。 螺纹盖设置在容器的自由端。 当在容器的内部和外部之间提供绝缘时,包含在食物样品中的任何水蒸发并且当其通过盘时。 当水与反应物质接触时,色标记录了研究样品的水分活度。
    • 4. 发明申请
    • DEVICE AND METHOD FOR MEASURING THE WATER ACTIVITY OF FOODS
    • 用于测量食物水分活性的装置和方法
    • US20100330679A1
    • 2010-12-30
    • US12919481
    • 2008-02-28
    • Dimas Jimenez MendozaRamón Arana Errasqui
    • Dimas Jimenez MendozaRamón Arana Errasqui
    • G01N21/75G01N33/02
    • G01N33/02
    • Example embodiments relate a device for measuring the water activity of foods and method for obtaining a water activity measurement. The device includes a container housing the food sample, a disc of permeable material to support a reactive substance which in turn is used to record the water activity level of the food sample (23) being studied. The substance is positioned in the center of the disc. A threaded cover is disposed at a free end of the container. When insulation is provided between the interior and exterior of the container, any water contained in the food sample evaporates and as it passes through the disc. As the water comes into contact with the reactive substance, a color scale records the water activity of the study sample.
    • 示例性实施例涉及用于测量食物的水分活动的装置和用于获得水分活度测量的方法。 该装置包括容纳食物样品的容器,可渗透材料盘,以支撑反应性物质,其又用于记录正在研究的食物样品(23)的水分活度水平。 该物质位于盘的中心。 螺纹盖设置在容器的自由端。 当在容器的内部和外部之间提供绝缘时,包含在食物样品中的任何水蒸发并且当其通过盘时。 当水与反应物质接触时,色标记录了研究样品的水分活度。