“方便食品”是在七十年代初期问世的,当时仅限于食品的某一种原料的加工品,如把马铃薯加工为油煎脆片的“方便马铃薯”.现在的方便食品已发展到各种主食和副食,汤料和饮料等快速食品、配制食品,为婴幼儿设计的代乳品、断奶食品,为特殊工种设计的保健食品,作为糖尿病、冒溃疡、高血脂病人专用的治疗食品等等.它们有的是成品,有的是半成品;有的是供短期保存的袋装食品,有的是可供长期保藏的罐头食品.方便食品在加工、保存、运输、销售和食用等过程中具有省事、省时等优点,它是发达国家农业、工业、科技和国防现代化的产物.据说 “Convenience foods” were processed in the early 1970s when they were limited to one of a kind of raw materials for foods, such as the “convenience potato” for potato processing into fried crisps. Nowadays, instant foods have been developed into various kinds Staple food and non-staple food, fast food such as soups and drinks, formulated food, milk substitute designed for babies and infants, weaned food, health food designed for special types of work, as therapeutic food for diabetes, ulcer and hyperlipidemia patients. Some are finished products, some are semi-finished products, some are short-term preservation of sacked foods, some are long-term preservation of canned foods, and convenience foods have the advantages of being easy and time-saving in processing, storing, transporting, selling, The products of the modernization of agriculture, industry, science and technology and national defense in developed countries are said to be