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    Method of Extracting Residual Pesticides and Extraction Kit
    5.
    发明申请
    Method of Extracting Residual Pesticides and Extraction Kit 审中-公开
    提取残留农药和提取试剂盒的方法

    公开(公告)号：US20090214734A1

    公开(公告)日：2009-08-27

    申请号：US11885515

    申请日：2006-03-03

    申请人： Masahiko Kitayama ,  Masaki Kozono ,  Takashi Ohmori

    发明人： Masahiko Kitayama ,  Masaki Kozono ,  Takashi Ohmori

    IPC分类号： A23L1/015

    CPC分类号： A23L5/273 ,  A23L5/23

    摘要： A method of extracting residual pesticides in an agricultural product and a kit to be used therein. Namely, a method of extracting residual pesticides which comprises: (1) a step of processing an agricultural product into a form allowing the extraction of the residual pesticides; (2) a step of treating the thus processed agricultural product with a dehydrating agent; and (3) a step of extracting the residual pesticides from the thus dehydrated agricultural product by using a hydrophobic solvent, which has an octanol/water partition coefficient (logPow) of from 0 to 4, or a mixed solvent of hydrophobic solvent and hydrophobic solvent. A kit to be used in the method as described above. By using the above method and kit, the procedure can be simplified and an effect of reducing the amount of extracted contaminants such as pigments can be established.

    摘要翻译： 一种在农产品中提取残留农药的方法和用于其中的试剂盒。 即，提取残留农药的方法，其特征在于，包括：（1）将农产品加工成允许残留农药提取的形式的步骤; （2）用脱水剂处理这样加工的农产品的步骤; （3）通过使用辛醇/水分配系数（logPow）为0〜4的疏水性溶剂或疏水性溶剂与疏水性溶剂的混合溶剂，从这样脱水的农产品中提取残留农药的工序 。 用于上述方法的试剂盒。 通过使用上述方法和试剂盒，可以简化该方法，并且可以建立减少提取的污染物如颜料的量的效果。

    Extracting method of residual pesticides and extraction kit
    6.
    发明申请
    Extracting method of residual pesticides and extraction kit 审中-公开
    残留农药和提取试剂盒的提取方法

    公开(公告)号：US20090081344A1

    公开(公告)日：2009-03-26

    申请号：US11919134

    申请日：2006-04-24

    申请人： Masahiko Kitayama ,  Masaki Kozono ,  Takashi Ohmori

    发明人： Masahiko Kitayama ,  Masaki Kozono ,  Takashi Ohmori

    IPC分类号： A23L1/015 ,  B01J20/10 ,  B01J20/26 ,  B01J20/04

    CPC分类号： G01N33/03 ,  G01N1/286

    摘要： A method of extracting residual pesticides from livestock meat fat and a kit to be used therefor. Namely, a method of extracting residual pesticides comprising; (1) a step of homogenizing livestock meat fat, which is a solidified state, in the presence of water and then separating the fat, (2) a step of treating the thus treated fat with a dehydrating agent, and (3) a step of dissolving the dehydrated fat in a solvent in which fat is soluble, re-dissolving the pesticides in a hydrophilic solvent and then concentrating the solution of the hydrophilic solvent to give a liquid sample for measuring the residual pesticides. A kit to be used in the above-described method. Use of the above method and kit makes it possible to simplify the procedure while achieving an effect of reducing the amount of impurities (an organic acid, etc) extracted.

    摘要翻译： 从牲畜肉脂中提取残留农药的方法和用于其的试剂盒。 即，提取残留农药的方法，其特征在于， （1）在水存在下使作为固化状态的家畜肉脂肪均匀化的步骤，然后分离脂肪，（2）用脱水剂处理如此处理的脂肪的步骤，和（3）步骤 将脱水脂肪溶解在可溶于脂肪的溶剂中，将农药重新溶解在亲水性溶剂中，然后浓缩亲水性溶剂的溶液，得到用于测量残留农药的液体样品。 用于上述方法的试剂盒。 使用上述方法和试剂盒可以简化程序，同时达到减少提取的杂质（有机酸等）的量的效果。

    Extractant Solution for Residual Veterinary Agent in Livestock Product or Seafood
    7.
    发明申请
    Extractant Solution for Residual Veterinary Agent in Livestock Product or Seafood 审中-公开
    家畜产品或海产品中残留兽药的提取液

    公开(公告)号：US20080138907A1

    公开(公告)日：2008-06-12

    申请号：US11793135

    申请日：2005-12-16

    申请人： Masahiko Kitayama ,  Masaki Kosono ,  Takashi Omori ,  Fumiki Morimatsu ,  Ryoji Yamada

    发明人： Masahiko Kitayama ,  Masaki Kosono ,  Takashi Omori ,  Fumiki Morimatsu ,  Ryoji Yamada

    IPC分类号： G01N33/12

    CPC分类号： G01N33/94 ,  G01N1/4044 ,  G01N1/4055 ,  Y10T436/107497

    摘要： Disclosed is an extracting solution for use in the extraction of a residual veterinary drug in livestock product or seafood. The extracting solution contains 0.05 to 1% of metaphosphoric acid and comprises a buffer solution of pH 5.5 to 7.5. The extracting solution can extract plural veterinary drugs at the same time, and can be used preferably used for the extraction when the residual veterinary drug is an antibacterial substance. By using the extracting solution, it becomes possible to extract plural veterinary drugs efficiently at the same time without impairment of stability because of its neutral pH range. Hence, the extracting solution enables to determine a residual veterinary drug in livestock product or seafood rapidly in a simple manner.

    摘要翻译： 公开了一种用于在牲畜产品或海鲜中提取残留兽药的提取溶液。 提取溶液含有0.05〜1％的偏磷酸，并含有pH 5.5〜7.5的缓冲溶液。 提取液可以同时提取多种兽药，当残留的兽药为抗菌物质时，优选用于提取。 通过使用提取溶液，由于其中性pH范围，可以同时有效地提取多种兽药而不损害稳定性。 因此，提取液能够以简单的方式快速地确定畜禽产品或海产品中残留的兽药。