Health Concerns
The freezing process tends to degrade the taste of food and the meals are thus heavily processed with extra salt and fat to compensate. In addition, stabilizing the product for a long period typically means that companies will use partially hydrogenated vegetable oils for some items (typically dessert). Partially hydrogenated vegetable oils are high in trans fats and may adversely affect cardiovascular health. The dinners are almost always significantly less nutritious than fresh food and are formulated to remain edible after long periods of storage, thus often requiring preservatives such as BHT. There is, however, some variability between brands.
In recent years there has been a push by a number of independent manufacturers and retailers to make meals that are low in salt and fat and free of artificial additives. ConAgra Foods' Healthy Choice is one brand that markets to the health-conscious niche. In the UK, most British supermarkets also produce their own "healthy eating" brands. Nearly all chilled or frozen ready meals sold in the UK are now clearly labeled with the salt, sugar and fat content and the recommended daily intake. Concern about obesity and government publicity initiatives such as those by the Food Standards Agency and the National Health Service have encouraged manufacturers to reduce the levels of salt and fat in ready prepared food. Their guidelines state:
A benefit of frozen dinners is that they are usually fully cooked during preparation, and only need to be reheated by the consumer. This eliminates the possibility of undercooking by misjudging microwave powers and cooking times, although packaging warnings often state that the food must be "piping hot" before consumption. More recently, however, frozen dinners have been created that are designed to be used as a steamer, allowing rapid cooking of essentially raw ingredients (typically fish and vegetables) immediately before consumption.
All-natural options for frozen meals are also becoming available.
Read more about this topic: TV Dinner
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