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Device and method for pre-determination of fat-soluble vitamin samples in infant milk powder

A fat-soluble vitamin, infant technology, which is applied to the field of pre-processing devices for the determination of fat-soluble vitamins in infant milk powder, can solve the problems of lack of light-proof protection, unknown introduction, simple device, etc. Scope of application, effect of simple structure

Inactive Publication Date: 2017-06-16
ANIMAL & PLANT & FOOD INSPECTION CENT OF TIANJIN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the common pretreatment for the determination of fat-soluble vitamins in milk powder samples, there is often a lack of protection from light, N 2 Protection and other steps; or although there is such a step, the device is simple and the introduction is unknown

Method used

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  • Device and method for pre-determination of fat-soluble vitamin samples in infant milk powder

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Embodiment Construction

[0027] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0028] See figure 1 , a pretreatment device for the determination of fat-soluble vitamin samples in infant milk powder, comprising a sealed box 1, a light-proof sleeve 2 connected to the bottom plate of the sealed box 1, and the material of the light-proof sleeve 2 is polystyrene Fluorine vinyl material, opaque, good light-proof effect, high temperature resistance, chemical corrosion resistance. The light-proof sleeve 2 is provided with a plugged centrifuge tube 5 with a built-in sample. The opening end of the plugged centrifuge tube 5 is provided with a ground plug. After 2, it can effectively protect against light and prevent fat-soluble vitamins from decomposing when exposed to light. The bottom plate of the box 1 of the light-proof slee...

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Abstract

The invention provides a determination pre-treatment device and method for a fat-soluble vitamin sample in infant milk powder. The device comprises a sealed box body, wherein a bottom plate of the sealed box body is connected with a light shielding sleeve; the light shielding sleeve is internally provided with a centrifugal pipe with a plug; the centrifugal pipe with the plug is provided with an internally-arranged sample; an opening ground plug is arranged at the opening end of the centrifugal pipe with the plug; the light shielding sleeve is in sealed connection with the bottom plate of the box body; the bottom plate of the box body, at the lower part of the light shielding sleeve, is provided with a water inlet hole for communicating an inner cavity of the light shielding sleeve and the outer part of the sealed box body; an N2 inlet is formed in one end of the sealed box body. The treatment method finished by the device comprises the step of forming the N2 inlet in the sealed box body so that the requirements of light shielding and oxygen-free environments can be met; the content and quality of vitamins in the infant formula milk powder are guaranteed; the treatment method can be used for the pre-treatment of the fat-soluble vitamins in the infant milk powder, and oxygen-free environment reaction or the pre-treatment method can be suitable for the device; and the application range is enlarged, a plurality of samples can be treated at the same time and the pre-treatment speed is increased.

Description

technical field [0001] The invention belongs to the technical field of dairy product detection, and in particular relates to a pre-processing device and method for the determination of fat-soluble vitamin samples in infant milk powder. Background technique [0002] Vitamins are low-molecular organic compounds that are indispensable for maintaining normal substance metabolism and certain special physiological functions of the human body. They are mainly involved in the composition of various enzymes. Because of their different structures and physical and chemical properties, they have special physiological functions. There are many kinds of vitamins, which have no commonality in chemical structure. According to their physical properties, they can be divided into two categories, namely fat-soluble vitamins and water-soluble vitamins. Fat-soluble vitamins include vitamin A, vitamin D, vitamin E, and vitamin K. They only contain three elements: carbon, hydrogen and oxygen, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
Inventor 陈其勇王飞娄婷婷赵孔祥何佳
Owner ANIMAL & PLANT & FOOD INSPECTION CENT OF TIANJIN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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