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Research on the Standard Equation of Quick Measurement of Milk Protein with the Method of Laser

Author: TanChangLong
Tutor: YuZhu
School: Harbin University of Science and Technology
Course: Materials Physics and Chemistry
Keywords: Milk protein Light scattering Multiple linear regression
CLC: TS252
Type: Master's thesis
Year: 2004
Downloads: 113
Quote: 2
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Abstract


The papers from the theoretical and experimental study in detail the standard equation rapid measurement of milk protein content measurement techniques using laser scattering principle . Milk fat and protein containing two scattering macromolecules , but not with a dissolving liquid fat quickly dissolve away and leaving the protein, and therefore only the direct measurement of the protein in the milk the composite body . Using a monochromatic light directly measure the protein in milk complex in the international community is still blank. Departure from Beer's law , the transmitted light intensity and the scattering intensity ratio to characterize the optical parameters of the test , milk fat, protein associated scattering model . Multiple linear regression analysis of the model , the standard equation of the of measuring milk protein concentration . Of different dilution magnification of the milk protein concentration measurement , to determine the best milk dilution magnification range . Analysis required to determine a standard equation given number of standard milk samples which factors provide the theoretical and technical guidance for the actual measurement quickly and accurately establish the standard equation . Application of the above methods , without the protein isolated from milk , can be measured directly on the protein in milk complex , fully realized quickly and accurately milk protein test , this is a very interesting theory and technological breakthroughs , simultaneous measurement of milk multi-component research areas for the use of the principle of light scattering has opened up a bright , bright future . Also simultaneous measurement of the theory in the field of research laid the foundation of a multi-component substances . Will be a huge contribution to the dairy industry in China and the developed countries , the gap is still very obvious , and milk quality testing is one of the weakest link , milk protein rapid determination of the successful development of the instrument , to promote the development of China 's dairy industry , improve the quality of dairy products , it has broad market prospects and great social , economic efficiency , and to enhance the international competitiveness of China 's dairy industry has great practical significance .

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