Page 95 - Statistics presented by Dr. Sara Ismail Aborass
P. 95

9/8/2023

                          Milk Analysis (Chemical tests)

          Total solid                                                  Chloride content       Titrable acidity                         Formaldehyde as
     Nutritional Quality                                             (adulteration of salt)  bacterial growth
                                      Nutritional Quality

                    Richmond formula  Gerber method  Werner Schimdt                                                                    Hehner’s test

                                                                     AgNO3 and Pot.                             Resorcinol + fructose

     solid residue                                                                                                                     HCHO+Fecl3 purple

                    Imp: in Gerber method: the fat will be released in the amyl alcohol layer in
                    the upper part of the tube because amyl alcohol is lighter than water

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