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附录A The Cold Chain and its Logistics Authors: Dr. Jean-Paul Rodriguez and Dr. Theo Notteboom 1. Overview While Globalization has made the relative distance between regions of the world much smaller， the physical separation of these same regions is still a very important reality。 The greater the physical separation， the more likely freight can be damaged in one of the complex transport operations involved. Some goods can be damaged by shocks while others can be damaged by undue temperature variations。 For a range of goods labeled as perishables， particularly food， their quality degrades with time since they maintain chemical reactions which rate can be mostly mitigated with lower temperatures。 It takes time and coordination to efficiently move a shipment and every delay can have negative consequences， notably if this cargo is perishable. To ensure that cargo does not become damaged or compromised throughout this process, businesses in the pharmaceutical， medical and food industries are increasingly relying on the cold chain technology。 The cold chain refers to the transportation of temperature sensitive products along a supply chain through thermal and refrigerated packaging methods and the logistical planning to protect the integrity of these shipments。 Specialization has led many companies to not only rely on major shipping service providers such as the United Parcel Service (UPS） and FEDEX， but also more focused industry specialists that have developed a niche logistical expertise around the shipping of temperature sensitive products。 The potential to understand local rules， customs and environmental conditions as well as an estimation of the length and time of a distribution route make them an important factor in global trade。 As a result， the logistics industry is experiencing a growing level of specialization and segmentation of cold chain shipping in several potential niche markets within global commodity chains。 Whole new segments of the distribution industry have been very active in taking advantage of the dual development of the spatial extension of supply chains supported by globalization and the significant variety of goods in circulation。 From an economic development perspective， the cold chain enables many developing countries to take part in the global perishable products market。 From a geographical perspective, the cold chain has the following impacts: • Global。 Specialization of agricultural functions permitting the transport of temperature sensitive food products to distant markets. Enables the distribution of vaccines and other pharmaceutical or biological products。 • Regional. Can support the specialization of functions and economies of scale， such as specialized laboratories. • Local. Timely distribution to the final consumer， namely grocery stores and restaurants. 2. Emergence of Cold Chain Logistics While global commodity chains are fairly modern expansions in the transportation industry, the refrigerated movement of temperature sensitive goods is a practice that dates back to 1797 when British fishermen used natural ice to preserve their fish stock piles. This process was also seen in the late 1800s for the movement of food from rural areas to urban consumption markets， namely dairy products。 Cold storage was also a key component of food trade between colonial powers and their colonies。 For example, in the late 1870s and early 1880s， France was starting to receive large shipments of frozen meat and mutton carcasses from South America, while Great Britain imported frozen beef from Australia and pork and other meat from New Zealand. By 1910, 600,000 tons of frozen meat was being brought into Great Britain alone. The first reefer ship for the banana trade was introduced in 1903 by the United Food Company. This enabled the banana to move from an exotic fruit that had a small market because it arrived in markets too ripe， to one of the world's most consumed fruit. The temperature controlled movement of pharmaceuticals and medical supplies is a much more modern transit option than the shipping of refrigerated or frozen food。 Since the 1950s, logistical third party companies began to emerge and institute new methods for successfully transporting these global commodities. Before their emergence， cold chain processes were mostly managed in house by the manufacturer。 In the United States, Food and Drug Administration restrictions and accountability measures over the stability of the cold chain incited many of these companies to rely on specialty couriers rather than completely overhauling their supply chain facilities。 A specialized industry was thus born。 The value of the cold chain in the preservation of expensive vaccines and medical supplies was only beginning to be recognized when these logistical providers started to appear。 As awareness began to grow， so did the need for efficient management of the cold chain. The reliance on the cold chain continues to gain importance. Within the pharmaceutical industry for instance， the testing， production and movement of drugs relies heavily on controlled and uncompromised transfer of shipments。 A large portion of the pharmaceutical products that move along the cold chain are in the experiment or developmental phase。 Clinical research and trials is a major part of the industry that costs millions of dollars, but one that also experiences a failure rate of around 80%。 According to the Healthcare Distribution Management Association， of the close to 200 billion dollars in pharmaceutical distribution， about 10% are drugs that are temperature sensitive。 This makes the cold chain responsible for transporting a near 20 billion dollar investment。 If these shipments should experience any unanticipated exposure to variant temperature levels， they run the risk of becoming ineffective or even harmful to patients。 Temperature control in the shipment of foodstuffs is a component of the industry that has continued to rise in necessity with international trade。 As a growing number of countries focus their export economy around food and produce production， the need to keep these products fresh for extended periods of time has gained in importance. Increasing income levels create a change in diet with amongst others a growing appetite for fresh fruit and higher value foodstuffs such as meat and fish. Persons with higher socioeconomic status and with more economic means are more likely to consume vegetables and fruit， particularly fresh， not only in higher quantities but also in greater variety。 Consumers with increasing purchase power have become preoccupied with healthy eating， therefore producers and retailers have responded with an array of exotic fresh fruits originating from around the world。 Any major grocery store around the world is likely to carry tangerines from South Africa， apples from New Zealand, bananas from Costa Rica and asparagus from Mexico。 Thus, a cold chain industry has emerged to service these commodity chains。 In 2002, an estimated 1200 billion dollars' worth of food was transported by a fleet of 400,000 refrigerated 本文来源：https://www.dywdw.cn/a94106ec730abb68a98271fe910ef12d2af9a905.html
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2022-07-07
