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Liver     321


                 A. Blood ethanol level
                                    Vol.%                      Blood alcohol level
                                                                 [‰]
                                                  Whiskey
                    Cognac
                                     40                        1,0
                                                  Corn liquor       Maximum after 60 – 90 min
                                                                                      Constant decline
                                     30           Cherry brandy                       ca. 0.015 % · h -1


                                                               0,5
                                                                         Rapid increase
                   Advocaat          20                                  due to easy
                                                                         resorption
                   Red wine
                                     10
                 White wine                       Strong beer
                                                               0,0
                                                  Beer                  1      2     3     4     5     6 [h]
                     Water                                           Vodka (55 Vol.%)  0.75 g EtOH · kg -1

                 B. Ethanol metabolism
                                                          Accumulates

                             N   A                N   A           N    A               N   A

                    H  H    H                               H    O                             H    O
                H   C  C  O              1              H   C  C               2            H   C  C
                    H  H                                    H    H                             H    O
                    Ethanol                               Ethanal                              Acetate
                                                                         A
                                                                             PP P
                              O 2                 2 H O
                                                    2
                                                                        S
                                       ‚MEOS‘                               A
                                     [Cyt P-450]                                                  3
                                                                         A
                                                                             P
                             N   A                N   A                  P P
                                  P                    P                                      H  O

                  1  Alcohol dehydrogenase 1.1.1.1   [Zn 2    ]     Fatty acid             H  C  C   S   A
                                                                    and                       H
                  2  Aldehyde dehydrogenase 1.2.1.3                 cholesterol  Tricarboxylic
                                                                    biosynthesis  acid cycle  Acetyl CoA
                  3   Acetate-CoA ligase 6.2.1.1

                 C. Liver damage due to alcohol








                                    > 50–60 g EtOH                      > 160 g EtOH
                                          daily                             daily
                        Healthy                             Fatty                            Cirrhotic
                          liver                             liver                              liver






                                       Abstinence                                               Death




           Koolman, Color Atlas of Biochemistry, 2nd edition © 2005 Thieme
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