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研究:吃堅果不會胖 還降膽固醇

Posted on: May 11, 2010


(法新社)2010年5月11日 星期二 14:05

(法新社華盛頓10日電) 根據今天刊在美國醫學會「內科醫學檔案」(Archives of Internal Medicine)的研究,吃堅果有益健康,因為各式堅果可以降低血液中的膽固醇。

研究報告指出,相較於不吃堅果的對照組,每天平均吃67公克堅果的人總膽固醇濃度降5.1%,俗稱「壞膽固醇」的低密度脂蛋白膽固醇(LDL-C)也少了7.4%。

研究表示,三酸甘油脂過高的民眾,血脂也因堅果降了10.2%。研究人員分析的數據,來自7國25個試驗的583名膽固醇過高或正常、年紀19歲到86歲的男女。

這份由加州羅瑪琳達大學(Loma Linda University)薩貝德(Joan Sabate)博士率領的研究發現,無論是什麼堅果,健康效果是一樣的。

然而,一個人的體重和壞膽固醇的高低,則會影響堅果的效果。

研究發現,開始的壞膽固醇越高,堅果降膽固醇的效果就越好;然而,一個人的體質指數(BMI)越低,也就是不超重、不過胖的人,堅果效果就越好。

堅果的效果也跟一個人的飲食習慣有關。

相較於這些飲食健康、多吃單不飽和橄欖油、魚類新鮮蔬果的人,吃西方飲食、含高飽和脂肪的民眾,從堅果獲得的好處也較為鮮明。

好消息還在後頭。這份研究分析的數據顯示,吃堅果的好處會存在很長一段時間,可減少發展第2型糖尿病    的風險,而且儘管堅果的脂肪含量高,它們不會讓我們變胖。(譯者:中央社蔡佳敏)

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