我们都知道梨有降火、清心、润肺、化痰、止咳、退热、解疮毒和酒毒的功效，常食可补充人体的营养。但你知道每天吃一个梨，能让你远离肥胖吗？

　　We’ve long been told that an apple a day keeps the doctor away.

　　我们早就听过“一天一苹果，医生远离我”的说法。

　　But now, researchers have discovered a pear a day keeps the pounds away.

　　但如今研究者发现，一天一个梨，也可以让脂肪远离我们。

　　A new study found that pears are associated with lower body weight.

　　一项最新的研究称，梨与体重减轻有某种相关性。

　　People who consume pears are 35 per cent less likely to be obese, scientists discovered.

　　科学家发现，吃梨的人，其肥胖的概率比不吃的人低35%。

　　The study also found that pear consumption is associated with higher diet quality.

　　该研究还发现，吃梨可以提高膳食质量。

　　Pears are an ‘excellent source’ of fiber, in addition to being a good source of vitamin C.

　　梨除了富含维C，还是非常好的纤维食物。

　　A single medium pear contains nearly 24 per cent the daily fiber recommendations – and is only 100 calories.

　　一个中等大小的梨含有人体每天所需的约24%的纤维，而卡路里含量只有100。

　　The fruit is also free of fat, cholesterol and sodium – and contains 190 mg of potassium.

　　梨不含脂肪、胆固醇和钠——但含有190毫克的钾。

　　Researchers from the Louisiana State University looked at data from 2001 to 2010 for the study.

　　路易斯安那州立大学的研究人员从2001年到2010年一直在对此进行研究。

　　They used a nationally representative sample to analyse the association of fresh pear consumption with nutrient intake, nutrient adequacy, diet quality and cardiovascular risk factors in adults.

　　他们从全国抽取试验样本，分析成年人食用鲜梨与营养摄取量、营养充分性、膳食质量和心血管疾病之间的关系。

　　Dr Carol O’Neil, who led the study, said: ‘The association between pears and lower weight is very exciting.

　　卡罗·奥尼尔博士主持此次研究。她说：“梨与减重之间的关系让人十分兴奋。”

　　‘We believe fiber intake may have driven the lower body weights that were seen in this study.’

　　“通过这次研究，我们相信摄入纤维可以降低体重。”

　　She added: ‘There was no difference in energy intake or level of physical activity found between the fresh pear consumers and non-consumers.’

　　她补充道：“在吃梨与没有吃梨的人之间，没有能量摄入或体力活动的差异。”

　　Eating one medium fresh pear each day has a positive fect on nutrient intake.

　　每天吃一个中等大小的鲜梨对营养吸收非常有益。

　　The fruit has higher percentages of fiber, vitamin C, magnesium, copper and potassium, and leads to higher mean intakes of total sugars.

　　梨这种水果富含纤维素、维生素C、镁、铜和钾，会导致人体总糖的平均摄入量更高。

　　Consumers of fresh pears also have lower intakes of total, monounsaturated fatty acids, saturated fatty acids and added sugars.

　　食用鲜梨也会降低人体对总脂肪酸、单不饱和脂肪酸、饱和脂肪酸和添加糖的吸收量。

　　According to the USDA Guidelines for Americans, people who eat more fruit as part of an overall healthy diet are more likely to reduce their risk of chronic diseases.

　　根据美国农业部(USDA)向美国居民发布的饮食指南，吃更多水果、把水果当作健康饮食一部分的人更不容易得慢性疾病。

　　But, the researchers noted that little has been published on the health outcomes associated with individual fruits – including pears.

　　但研究人员指出，很少有人发表文章关注人类健康与单一某种水果(包括梨)之间的联系。

　　However, the USA Pear Bureau said it is continuing to collaborate with researchers to commission additional studies to show the relationship between pears and positive health outcomes.

　　不过，美国梨业局称，它将继续与科研人员合作，进一步研究梨对人体健康的积极影响。

　　The study was published in Nutrition and Food Science.

　　该研究成果已发表在《营养与食品科学》期刊上。

　　Vocabulary

　　potassium：钾

　　monounsaturated fatty acid：单一不饱和脂肪酸

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