有机食品无营养优势

We are back now with this health news story that’s getting a lot of attention tonight. It’s about organic foods. People who buy them and pay more for them do it for a lot of reasons, but mostly because they think they’re healthier. But are they?

Reporter: In supermarkets across the country and at farmers markets from coast to coast, increasingly, Americans are buying organic. In 1997, U.S. sales of organic foods topped off at $3.6 billion. Fast forward to 2010, sales totaled more than $26 billion. The reasons?

Female Consumer: You want to put something on your table that’s healthy. And straight from the farm is the best place to go.

Male Consumer: Whether that’s healthy or not, I don’t know. But it makes…it makes eating more interesting.

More interesting maybe, but a new Stanford University study concludes that organic foods are no more nutritious than their conventional 3)alternatives.

Dr. Crystal Smith-Spangler (Stanford University): We didn’t find strong evidence of higher nutritional content in organic foods. However, we did find differences in the risk of detecting 4)pesticide 5)residues.

According to the report, organic produce is 30% less likely to carry pesticide residues than other fruits and vegetables. And organic chicken and pork are 67% less likely to have 6)bacteria 7)resistant to common 8)antibiotics. Nutritionists say it may take years to link pesticides and antibiotics to long term health problems, but they say these are issues we have to consider today.

While organic farmers and 9)ranchers don’t claim their foods are healthier, more than half of them in a recent poll believe that organic is more nutritious. So your best advice: buy local. The shorter the distance between farm to table, the better it’s gonna be, and the more nutritious.

我们现在回来聊一下健康方面的话题，这是今天晚上许多人关注的焦点，内容是有机食物。人们花大价钱购买有机食品，原因有很多，但最主要的一点是他们认为有机食物更加健康。事实真的如此吗？

记者：在全国各地的超市以及农贸市场，越来越多的美国人购买有机食品。1997年，全美有机食品销售总额为36亿美元。到了2010年，销售总额就已超过260亿美元。其原因是什么呢？

女性消费者：你希望把健康的食品摆上餐桌，而直接从农场来的是最好的。

男性消费者：这些食品是否健康，我不知道。但是，它们让饮食变得更有意思。

也许有机食物是更有意思，但斯坦福大学一份最新的研究表明，有机食品并不比传统食品更有营养。

克里斯特尔·史密斯-斯潘格勒博士（斯坦福大学）：我们找不到有机食品里含更多营养物质的有力证据。然而，我们的确发现，在检测杀虫剂残留物方面，有机食品与传统食品确实不同。

根据这份报告结果，相比其他水果和蔬菜，有机农产品携带杀虫剂残留物的几率要低30%。有机鸡肉和猪肉含有能抵抗普通抗菌素的细菌的可能性相比之下低67%。营养学家称，我们可能还要花好几年的时间才能就杀虫剂和抗生素对人类健康所造成的长期影响作出结论，但这些因素是我们现在不能忽视的。

尽管有机农场主和牧场主并没有声称他们的产品更加健康，但他们当中有超过一半的人在最近的一份调查中表示，他们相信有机食品更加富含营养。因此，给你的最好建议：就近购买。农场到餐桌之间的距离越短，食物就会越好，越有营养。

新闻词汇加油站 关于食物的英文

蔬菜篇

cabbage 卷心菜

cucumber 黄瓜

Chinese kale 芥蓝

pumpkin 南瓜

mustard 芥菜

chayote 佛手瓜

spinach 菠菜

lettuce 生菜

celery 芹菜

egg plant 茄子

radish 白萝卜

carrot 红萝卜

broccoli 西兰花

sponge gourd 丝瓜

bitter gourd 苦瓜

leek 韭葱

谷物篇

grain 谷物

rice 米

brown rice 糙米

wheat 麦

malt 麦芽

corn 玉米

barley 大麦

sorghum 高粱

millet 小米

oat 燕麦

buckwheat 荞麦