In ZhaZhi edible oils in high heat, after a long time, will in a series of chemical change, appear viscosity heighten, iodine price drop, acid value increased, refractive index change, protein change the phenomenon such as sex, and produce all sorts of odour, nutritional value changes and Fried is the most common chemical change have hydrolysis and condensation, hot polymerization, such as thermal decomposition reaction. Shijiazhuang good days Fried the production of Fried machine factory can alleviate these chemical changes to the cooking oil use cycle longer.
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