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雷达卡
英文文献：Constructing Nutrition Information Trend Indicators from the Media and Scientific Journals for Demand Analysis-从媒体和科学期刊构建营养信息趋势指标，进行需求分析
英文文献作者：Shiratori, Sakiko
英文文献摘要：
U.S. Consumers have become increasingly concerned with health problems. Nutrition is one of the factors which directly affects health, thus credible nutritional information has become more valuable to individuals. Understanding the impact of nutritional information on consumers’ food choices will contribute to the development and implementation of effective communication strategies related to diet and health. This will not only help policy makers design regulatory and legal polices that promote health, but will also help the food industry to develop products that better match consumers’ interests. The purpose of this study is to present the number of articles or transcripts in the media, which will be used to produce information trend indicators, and to suggest the distributed time lags among the information sources. Since consumers’ knowledge is not observable, one of the ways to measure the impact of information on food demand is to develop some indicators of consumers’ exposure to the information. In this study, the articles or transcripts in the media and scientific journals about omega-3 fatty acids are investigated. Omega-3 fatty acids have received growing attention due to their several health benefits such that they help to reduce the risk of cardiovascular disease. The use of omega-3 heart claims on food labeling was approved by the FDA in 2004.
美国消费者越来越关注健康问题。营养是直接影响健康的因素之一，因此可靠的营养信息对个体来说越来越有价值。了解营养信息对消费者食品选择的影响，将有助于制定和实施与饮食和健康有关的有效宣传战略。这不仅有助于政策制定者设计促进健康的监管和法律政策，而且还将有助于食品工业开发更符合消费者利益的产品。本研究的目的是呈现媒体上的文章或文字记录的数量，用于生成信息趋势指标，并暗示信息来源之间的分布时间滞后。由于消费者的知识是无法观察到的，衡量信息对粮食需求的影响的方法之一是制定一些消费者接触信息的指标。在这项研究中，对媒体和科学期刊上关于-3脂肪酸的文章或抄本进行了调查。欧米伽-3脂肪酸由于其对健康的几个好处而受到越来越多的关注，比如它们有助于降低患心血管疾病的风险。2004年，FDA批准在食品标签上使用omega-3心脏成分。
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