At present, the products derived from tomatoes is one of the most important foods. Especially the tomato juice product, which is widely consumed. Tana, there is more demand for good quality tomatoes. Therefore, in the development of creative quality, tomatoes. From the need to take into consideration the physical stability of Uncle tomatoes produced because the physical stability is easily noticed attribute. It is also used as a standard in dealing with. So, in this research study on effect of High Pressure Homogenization technology applications (HPH) to enhance physical stability of Uncle tomatoes using a pressure in the Homo g Cote (PH) at 0, 25, 50, 75 and 100 MPa temperature 5° c. Using the example of NH (Non-homogenize) and 0 MPa is an example from an experiment found that there are, for example, the particle size and the HPH turbidity of the Serum decreased when PH increases, according to La level. A complex structure of particles and particle size distributions. (PSD) more frequently when the PH increased, according to La and when storing tomato Uncle at 25° c for a period of 60 days. While, for example, through sedimentation was not found by HPH at PH 75 and 100 MPa are relatively fixed, turbidity, but with more colored tomatoes make a more level by La khla. Therefore, using the appropriate PH to increase physical stability of Uncle tomatoes. PH does not exceed 50 MPa Uncle tomatoes before the physical stability is without unwanted color, occurs, khla.
Key words: Tomato juices, High pressure homogenization, Physical stability
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