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Rapid detection system and detection method for lactogenesis mixing

A detection system and detection method technology, which is applied in the field of raw milk adulteration detection system, can solve the problems of complexity and large sensor structure, and achieve the effects of easy operation, low equipment price and low detection cost

Inactive Publication Date: 2015-04-15
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Raw milk is a complex metastable emulsion mixing system with diverse and complex chemical components. If selectivity is overemphasized, then there must be as many sensors as there are ingredients in raw milk, and the result will lead to sensor failure. Large and complex structure

Method used

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  • Rapid detection system and detection method for lactogenesis mixing
  • Rapid detection system and detection method for lactogenesis mixing
  • Rapid detection system and detection method for lactogenesis mixing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1. Detection Systems.

[0037] The system described in this embodiment includes: a computer 1-1, an electrochemical workstation 1-2, a temperature control system 1-3, a detachable sensor array combination 1-4, a liftable fixed rod 1-5, and a fixed knob 1 -6, detection pool 1-7. The detachable sensor array combination 1-4 is connected to the computer 1-1 through the electrochemical workstation 1-2, the detachable sensor array combination 1-4 is fixed on the liftable fixed rod 1-5 through the fixing knob 1-6, The temperature control system 1-3 is placed directly under the detachable sensor array combination 1-4, and the detection pool 1-7 is placed in the temperature control system 1-3.

[0038] The detachable sensor array combination 1-4 described in this embodiment consists of three selective sensor groups of pH meter, sodium meter and conductivity sensor; six non-selective sensor arrays of platinum, gold, palladium, rhodium, tungsten and titanium ; Reference...

Embodiment 2

[0042] Example 2. Detection method.

[0043] Fresh raw milk, milk with melamine added, milk with urea added, soured milk, milk with added sodium bicarbonate solution to adjust acidity, aged milk, and pasteurized milk were tested separately.

[0044] Take 50 mL of each of the following samples: fresh raw milk, milk with melamine added, milk with urea added, sourdough milk, milk with sodium bicarbonate solution to adjust acidity, aged milk, pasteurized milk, and perform electrochemical doping recognition with the device of the present invention detection.

[0045] The treatment of the sample in this example is as follows: adding 0.10g / 50mL of melamine (the concentration of the additive is 0.2%), adding 0.50g / 50mL of urea (the concentration of the additive is 1.0%), adding sourdough (pH4.8), adding saturated carbonic acid Sourdough milk with acidity adjusted by sodium hydrogen solution to pH 6.5, aged milk aged at 4°C for one week, pasteurized milk at 75°C for 30 minutes, and f...

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Abstract

The invention relates to a rapid detection system for lactogenesis mixing and a detection method for lactogenesis mixing. The system comprises a computer, an electrochemical working station, a temperature control system and an assembled and unassembled sensor array combination and the like, wherein the assembled and unassembled sensor array combination is connected with the computer through the electrochemical working station and is fixed on a lifting type fixing rod through a fixed knob; the temperature control system is placed just below the assembled and unassembled sensor array combination, and a detection tank is placed into the temperature control system; the detection method comprises the steps of building a lactogenesis standard data base, detecting either a mahalanobis distance or an Euclidean distance between a lactogenesis sample to be detected and a sensor group corresponding to the standard lactogenesi in the lactogenesis mixing detection, processing data, and intuitively representing a man-machine interaction interface. The rapid detection system provided by the invention has the characteristics of being rapid in site detection, cheap in device price and liable to operate; simultaneously, the rapid detection system also has a good detection limit, so that the mixing indexes need to be detected one by one; and the mixing judgment can be conducted for the quality of the raw material lactogenesis so as to play a role in early warning and forecasting.

Description

technical field [0001] The invention relates to the technical field of food, in particular to a raw milk adulteration detection system and detection method. technical background [0002] The quality and safety of dairy products has always been the focus of attention of the whole society. The key to ensuring the safety of dairy products lies in the quality of raw materials of dairy products. [0003] At present, raw milk adulterants mainly include dextrin, starch, sugar, fat powder, whey powder, ammonium salt electrolyte, etc., which are characterized by a relatively large amount of doping; in addition, in order to reduce the microbial level and increase the price of raw milk Add preservatives; if the raw milk has deteriorated, it will be muddied by adding other substances to stabilize the properties of milk; there are also non-milk substances such as vegetable oil, vegetable protein, animal protein, lactose, and minerals blended to make it close to milk fake milk for profit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/416
Inventor 黄赣辉石磊邓丹雯曾祥盛
Owner NANCHANG UNIV