坚果类能降低机体炎症反应 - Regular nut consumption linked to less inflammation-华东公共卫生
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坚果类能降低机体炎症反应

Regular nut consumption linked to less inflammation

[日期:2016-08-07] 来源:UPI/华东公共卫生  作者:华东公共卫生 编译 [字体: ]
为了健康

坚果类能降低机体炎症反应

      BOSTON, July 29 (合众国际社 UPI)(摘要)每周吃几份坚果食物来代替肉类食物,可以减低慢性疾病如心脑血管疾病和二型糖尿病的死亡风险。花生和坚果类含有镁、纤维、L-精氨酸,抗氧化剂和不饱和脂肪酸,能预防炎症发生。尽管研究人员注意到这还不是确定的说法。
      研究人员说:研究坚果减少炎症的潜在机制,有助于解释坚果类食物对心脏疾病的益处。研究者分析了5013名参与者的食物频率问卷和血浆生物标志物调查数据(空腹血浆C反应蛋白、白细胞介素6和肿瘤坏死因子受体2的所有炎症的生物标志物)。发现每周吃五份或更多的坚果来取代的红肉、加工过的肉类、鸡蛋,或每周三餐含坚果的谷物类可减低这些炎症标志物。
      这项研究结果发表在美国临床营养学杂志上。

BOSTON, July 29 (UPI) -- Chronic diseases such as cardiovascular disease and type 2 diabetes are made worse by inflammation, but researchers suggest eating nuts at least a few times a week could reduce inflammatory biomarkers.
Eating a few servings of nuts per week, or replacing meats or grains in some meals with nuts, may help lower the risk or effects of diseases because of their effect on inflammation, report researchers at Brigham and Women's Hospital in Boston.
Peanuts and tree nuts contain magnesium, fiber, L-arginine, antioxidants and unsaturated fatty acids that offer protection against inflammation, though researchers note they are unsure which are responsible for the effect.
The Brigham and Women's Hospital researchers have previously linked nut consumption with a decreased risk for chronic disease and death, with a clearer explanation in the new study, they say.
"Much remains unknown about how our diet influences inflammation and, in turn, our risk of disease," Dr. Ying Bao, an epidemiologist at Brigham and Women's, said in a press release. "But our study supports an overall healthful role for nuts in the diet and suggests reducing inflammation as a potential mechanism that may help explain the benefits of nuts on cardiometabolic diseases."
For the study, published in the American Journal of Clinical Nutrition, the researchers analyzed data from food-frequency questionnaires and plasma biomarkers on 5,013 participants in the Nurses Health Study and Health Professionals Follow-up Study.
Based on measures of fasting plasma C-reactive protein, interleukin 6 and tumor necrosis factor receptor 2 -- all biomarkers for inflammation -- researchers found participants who ate five or more servings of nuts per week or substituted red meat, processed meat, eggs or grains with nuts in three meals per week had reduced markers for inflammation than those who didn't.
"Population studies have consistently supported a protective role of nuts against cardiometabolic disorders such as cardiovascular disease and type 2 diabetes, and we know that inflammation is a key process in the development of these diseases," Baosaid. "Our new work suggests that nuts may exert their beneficial effects in part by reducing systemic inflammation."

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