吃柑橘类水果可能可以预防老年痴呆症

日本东北大学的研究人员表示,吃柑橘类水果可能有助于降低与年龄相关的认知障碍和痴呆症的风险。

发表在“营养学杂志”上的这项研究表明,吃橙子,柠檬,葡萄柚和酸橙等老年人可以将患痴呆症的风险降低至少23%。

对13,000名受试者的研究还表明,那些不吃柑橘类水果的人有发生与年龄相关的认知能力下降的风险。

研究人员将柑橘类水果的保护作用归因于一种叫做川陈皮素的黄酮类化合物,这种黄酮类化合物存在于各种柑橘类水果的果皮中。 对动物的研究表明,这种化合物可以减缓甚至逆转年龄相关的认知障碍和记忆丧失的迹象。

除此之外,已发现川陈皮素具有一些益处,包括抗炎,抗癌和降低胆固醇。

Researchers at Tohoku University in Japan suggest that eating nobiletin containing citrus fruits may help reduce risk of age-related cognitive impairment and dementia.

The study published in the Journal of Nutrition shows that older people who eat oranges, lemons, grapefruits, and limes, among others were at least 23% less likely to develop dementia.

The study of 13,000 subjects also shows that those who did not eat citrus fruits were at risk of developing age-related cognitive decline.

The researchers attributed the protective effect of citrus fruits to a flavonoid called nobiletin which is found in the peels of various citrus fruits. Studies of animals suggest that this compound can slow down or even reverse the signs of age-related cognitive impairment and memory loss.

Among other things, nobiletin has been found to have a few benefits including anti-inflammation, anti-cancer and cholesterol reduction.

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