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              Reading Materials Vinegar
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                      Vinegar,the aqueous solution of acetic acid,is produced in fermentation by oxidation of a dilute ethanol solution. The metabolic process involves conversion by alcohol dehydrogenase of ethanol to acetaldehyde and conversion by acetaldehyde dehydrogenase o......（本文共 6160 字）      [閱讀本文] >> 
               
			  
				 
              
				 
				
				
              
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