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美国利用手机二维码构建食品安全可追溯系统
据美国食品安全新闻网消息，目前美国多家公司利用手机二维码技术，构建食品安全可追溯系统，方便消费者了解产品的生产时间、产地等信息。
消费者利用智能手机扫描产品包装上的二维码，就可医.学.全.在.线www.lindalemus.com获取食品的产地、农场的信息，甚至食品的召回信息。同时商家可以利用二维码追溯系统，可了解消费者对产品的反馈情况，拉近与消费者的距离。
部分原文报道如下：
Imagine that you're in the produce section at the grocery store. You pick up a container of leafy greens with a QR （quick response) code on the label and you pull out your smart phone. The camera on the device instantly reads the code and tells you exactly where and how the greens were grown, when they were harvested, and who owns the farm. Your phone also recommends recipes and gives you the option of automatically adding the other ingredients you need to your digital shopping list.
You decide to buy the greens. You take them home and put them in the fridge. The next day, you get a text message alert: "The product you purchased has been recalled. Throw it away and click here for a full refund." You toss the greens and breathe a sigh of relief.
This is not the future of food traceability, this is what is possible today and what shoppers will increasingly be able to do with any item in the grocery store.
原文链接：<http://www.foodsafetynews.com/2013/05/putting-food-traceability-at-consumers-fingertips/>
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