60秒科学:有机食品好处多

In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports

通过对用有机方式培育的草莓和用传统方式培育的草莓进行并行试验，发现有机草莓含有更多的维他命C，而且有机培育方式的土壤也拥有更高的生物活性。

Some consumers buy organically grown foods because they believe the products are healthier, tastier and better for the environment. But is this assessment¹ true?

To find out, a group of U.S.-based scientists looked at strawberries. For the study, the researchers analyzed² 13 plots of organic strawberries and conventional strawberries grown side by side. They found that the organic strawberries contained 10 percent more Vitamin C and antioxidants than their conventional counterparts. The organic strawberries were smaller on average than conventional berries, but each piece of organic fruit actually contained more dry matter—the meat, if you will, of the berry. The organic berries also had a longer shelf-life.

And finally, a soil analysis showed that the organic plots contained more microorganisms than conventional acreage. So, the study adds some scientific evidence to the belief that organic berries are healthier, tastier and more environmentally sound. The findings are published in the journal Public Library of Science ONE.

Researchers believe that combining organic methods with some conventional agricultural practices will provide the produce of the future
 

1 assessment   

n.评价；评估；对财产的估价，被估定的金额

参考例句：

• This is a very perceptive assessment of the situation.这是一个对该情况的极富洞察力的评价。
• What is your assessment of the situation?你对时局的看法如何？

2 analyzed   

v.分析( analyze的过去式和过去分词 )；分解；解释；对…进行心理分析

参考例句：

• The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。 来自《简明英汉词典》
• The young man did not analyze the process of his captivation and enrapturement, for love to him was a mystery and could not be analyzed. 这年轻人没有分析自己蛊惑著迷的过程，因为对他来说，爱是个不可分析的迷。 来自《简明英汉词典》