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研究發現: 食用有機食品並不比普通食品更健康
最近的重要一項研究表明：和普通食品比較，所謂的有機食品並沒有任何附加的營養成分或健康益處。
倫敦衛生和熱帶醫學院的研究人員報道：消費者高價消費有機食品，是因為消費者相信，像有機食品的生產和經銷者宣傳的那樣，食用有機食品有益身體健康。
2007年，全球性的有機食品市場價值估計為480億美元。
但是經過係統的審查，在過去50年中，發表的162篇發表在科學文獻上的論文
，有機食品和普通食品沒有顯著的差別。
研究人員表明： “盡管有機和常規生產的食品存在著少數成分含量差異，但這些差異都沒有任何公共健康的意義和關聯“。
“我們的審查表明，目前沒有證據支持：選擇生產食用有機食品比傳統的基礎食品更有營養。 ”
這項研究由英國政府的食品標準局負責實施進行的，其研究結果，發表在美國臨床營養學雜誌上。
有機食品的銷售已在一些市場上呈下降趨勢，包括英國，因為經濟衰退導致消費者減少購買。
今年4月，土壤協會說，在2008英國銷售的有機產品增長1.7% ，遠低於過去數十年中平均年增長率26%。有機產品的需求在2008年底暴跌。
http://ca.news.yahoo.com/s/reuters/090729/science/science_us_food_organic
Organic food is no healthier, study finds
Wed Jul 29, 12:29 PM
LONDON (Reuters) - Organic food has no nutritional or health benefits over ordinary food, according to a major study published Wednesday.
Researchers from the London School of Hygiene & Tropical Medicine said consumers were paying higher prices for organic food because of its perceived health benefits, creating a global organic market worth an estimated $48 billion in 2007.
A systematic review of 162 scientific papers published in the scientific literature over the last 50 years, however, found there was no significant difference.
A small number of differences in nutrient content were found to exist between organically and conventionally produced foodstuffs, but these are unlikely to be of any public health relevance, said Alan Dangour, one of the report\'s authors.
Our review indicates that there is currently no evidence to support the selection of organically over conventionally produced foods on the basis of nutritional superiority.
The results of research, which was commissioned by the British government\'s Food Standards Agency, were published in the American Journal of Clinical Nutrition.
Sales of organic food have fallen in some markets, including Britain, as recession has led consumers to cut back on purchases.
The Soil Association said in April that growth in sales of organic products in Britain slowed to just 1.7 percent in 2008, well below the average annual growth rate of 26 percent over the last decade, following a plunge in demand at the end of the year.
(Reporting by Ben Hirschler; editing by Simon Jessop)
研究發現: 食用有機食品並不比普通食品更健康
最近的重要一項研究表明：和普通食品比較，所謂的有機食品並沒有任何附加的營養成分或健康益處。
倫敦衛生和熱帶醫學院的研究人員報道：消費者高價消費有機食品，是因為消費者相信，像有機食品的生產和經銷者宣傳的那樣，食用有機食品有益身體健康。
2007年，全球性的有機食品市場價值估計為480億美元。
但是經過係統的審查，在過去50年中，發表的162篇發表在科學文獻上的論文
，有機食品和普通食品沒有顯著的差別。
研究人員表明： “盡管有機和常規生產的食品存在著少數成分含量差異，但這些差異都沒有任何公共健康的意義和關聯“。
“我們的審查表明，目前沒有證據支持：選擇生產食用有機食品比傳統的基礎食品更有營養。 ”
這項研究由英國政府的食品標準局負責實施進行的，其研究結果，發表在美國臨床營養學雜誌上。
有機食品的銷售已在一些市場上呈下降趨勢，包括英國，因為經濟衰退導致消費者減少購買。
今年4月，土壤協會說，在2008英國銷售的有機產品增長1.7% ，遠低於過去數十年中平均年增長率26%。有機產品的需求在2008年底暴跌。
http://ca.news.yahoo.com/s/reuters/090729/science/science_us_food_organic
Organic food is no healthier, study finds
Wed Jul 29, 12:29 PM
LONDON (Reuters) - Organic food has no nutritional or health benefits over ordinary food, according to a major study published Wednesday.
Researchers from the London School of Hygiene & Tropical Medicine said consumers were paying higher prices for organic food because of its perceived health benefits, creating a global organic market worth an estimated $48 billion in 2007.
A systematic review of 162 scientific papers published in the scientific literature over the last 50 years, however, found there was no significant difference.
A small number of differences in nutrient content were found to exist between organically and conventionally produced foodstuffs, but these are unlikely to be of any public health relevance, said Alan Dangour, one of the report\'s authors.
Our review indicates that there is currently no evidence to support the selection of organically over conventionally produced foods on the basis of nutritional superiority.
The results of research, which was commissioned by the British government\'s Food Standards Agency, were published in the American Journal of Clinical Nutrition.
Sales of organic food have fallen in some markets, including Britain, as recession has led consumers to cut back on purchases.
The Soil Association said in April that growth in sales of organic products in Britain slowed to just 1.7 percent in 2008, well below the average annual growth rate of 26 percent over the last decade, following a plunge in demand at the end of the year.
(Reporting by Ben Hirschler; editing by Simon Jessop)
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