食品分析方法（Food analysis methods）.docVIP

食品分析方法（Food analysis methods） Food inspection and analysis of the content is very rich, but also a wide range in various foods have many components are the same, some components are not the same. Especially different foods have different characteristics. Here we talk about food analysis A food analysis in the range of Analgtical range. 1. of the food and nutrition component analysis (general component analysis) Nutrients including: 1 the water activity water water water and ash ash the moderate fat fat the acidity acidity, carbohydrate, Protein, protein, carbohydrate, amino acid Amino chloride chloride that vitamin Vitamin, trace elements trace element According to the analysis above, we know that these nutrients, from water to water test activity, from protein to Amino acids test and multi vitamin test are illustrated by analysis of food inspection object material, from the macro micro direction gradually. Test of trace elements, including essential elements and elements of the inspection of human body harmful to human body test. Analysis of 2. pollutants in food According to the nature of food contaminants can be divided into two categories The biological pollution (referring to microbial growth and reproduction to produce toxins affect health) Such as: Aspergillus, in peanut rot produced; corn, milk and dairy products and meat products produced dichlorvos. The chemical pollution A (organic chlorine pesticide, organic phosphorus) B heavy metal poisoning (Hg, Pb, As, Cd) C packaging materials (polycyclic compounds) In the process of producing D. Like smoked food may produce carcinogenic benzopyrene 3-4 According to the source of metal can be divided into: (1) the natural environment, water and air. (2) production and processing, machinery, ordinary container (3) agricultural processing waste pollution Chemical pollution is metal pesticide. Generally for the earth to bring fruits and vegetables and spraying of organochlorine pesticides are divided into two categorie