General Science

  • noun the action of cells destroying themselves with their own enzymes


  • The process by which cells are broken down by their own enzymes or acid products when dead. In the early stages cell contents are released adding to flavour but later the material becomes putrid. The process occurs when meat is hung or when fish goes bad.


  • noun a situation in which cells destroy themselves with their own enzymes


  • decomposition of dead yeast cells after fermentation. If wine is left with its lees, this process can add complex and subtle flavours to a wine. It can last from months to several years, according to the winemaker.