Chilled foods are foods which are cooled to a temperature above their freezing point and which need to be maintained at that temperature to preserve quality Generally such foods will lose value if frozen, and in many cases freezing will destroy them. From the refrigeration viewpoint, the range of foods regarded as chilled is very wide. In this chapter they are taken to include fresh fruits and vegetables, both temperate and tropical in origin, the whole range of meat, fish

As the first food of infant mammals, milk provides an important source of fat, protein, carbohydrate, vitamins and minerals, essential to the development of tissue and bone, and the growth of young. Milk is also a substance used beneficially by humans of all ages, both as a food in its own right and as a material for the production of milk products and milk-based food ingredients

Much poultry and red meat is sold in a chilled unprocessed state. However, an ncreasing proportion is used as a basic raw material for chilled meat products and ready meals. A growing trend is the development of added-value convenience meals, especially ethnic products, many of which are pre-or part-cooked and necessitate chilled storage. Many of these products contain meat as a key ingredient. This meat for further processing can be supplie

Preface During the last 40 years, consumer choice has been trans velopment in the production, distribution and retailing of food improvements in the design and equipment of the domestic kitchen have facilitated a major change in our lifestyle. Perhaps the most striking development is the marketing of a wide and

Chilled food technology has had a very significant impact on the types of food eaten by consumers during the 1980s and 1990s. This method of food preservation has satisfied the desires of people for safe, reliable, fresh products providing convenience despite the limited shelf-life. This introduction reviews the definition, range and market size of chilled food and indicates trends for the L1 Definition Foods distributed under refrigeration and sold from refrigerator cabinets have been available for many years. Although there were many new chilled product

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Raw material selection- fruits and Ⅴ egetables L. Bedford, Campden and Chorleywood Food Research Association 1.1 Introduction Fresh fruits and vegetables are utilised in a wide range of chilled products. They may be sold whole, or peeled (for example peeled potatoes and onions)or further prepared(e.g. carrot batons). After washing or further preparation they form ingredients for mixes such as mixed fruit or salad packs or for further

食品低温保藏的基本原理 ——低温保藏原理以及不同低温条件下影响食品贮藏的主要因素 食品的冷藏 ——不同食品原料在冷藏过程中的控制方法和特点，冷藏对食品品质的影响 食品的冻藏 ——冻结过程及其规律、冻结速度和解冻速度对冻藏食品品质的影响，冰结晶与食品品质的关系，冻结和冻藏所引起的食品品质的变化

Whilst a number of characteristics affect the overall quality and acceptability of both fresh and frozen meats, tenderness is the major characteristic of eating quality because it determines the ease with which meat can be chewed and swallowed. The tenderness of meat is affected by both chilling/freezing and storage. Under the proper conditions, tenderness is well maintained throughout the chilled/frozen storage life, but improper chilling/freezing can produce severe toughening and meat of poor eating quality

The appearance of meat at its point of sale is the most important quality attribute governing its purchase. The ratio of fat to lean and the amount of marbled fat are important appearance factors and another is the colour of the meat. The changes in colour of the muscle and blood pigments (myoglobin and haemoglobin, respectively) determine the attractiveness