2、Introduction(4) Historically,objectives of food technologies have been 自古以来，食品加工技术的目的在于： ·preservation of food 食品获得良好的保藏性 rendering food more palatable and digestible 食品更如美味可口和容易消化吸收 3 窗 3 Historically, objectives of food technologies have been : 自古以来，食品加工技术的目的在于：  preservation of food 食品获得良好的保藏性  rendering food more palatable and digestible 食品更加美味可口和容易消化吸收 2、Introduction (4)