老年人的膳食指南 |
| 1.食物要粗細搭配,易於消化 2.積極參加適度體力活動,保持能量平衡 隨著年齡的增長,人體各種器官的生理功能都會有不同程度的減退,尤其是消化和代謝功能,直接影響人體的營養狀況,如牙齒脫落、消化液分泌減少、胃腸道蠕動緩慢,使機體對營養成分吸收利用下降。故老年人必須從膳食中獲得足夠的各種營養素,尤其是微量營養素。 老lao年nian人ren胃wei腸chang功gong能neng減jian退tui,應ying該gai選xuan擇ze易yi消xiao化hua的de食shi物wu,以yi利li於yu吸xi收shou利li用yong。但dan食shi物wu不bu宜yi過guo精jing,應ying強qiang調tiao粗cu細xi搭da配pei。一yi方fang麵mian主zhu食shi中zhong應ying有you粗cu糧liang細xi糧liang搭da配pei,粗cu糧liang如ru燕yan麥mai、玉米所含膳食纖維較大米、小麥為多;另一方麵食物加工不宜過精,穀類加工過精會使大量膳食纖維丟失,並將穀粒胚乳中含有的維生素和礦物質丟失。 膳shan食shi纖xian維wei能neng增zeng加jia腸chang蠕ru動dong,起qi到dao預yu防fang老lao年nian性xing便bian秘mi的de作zuo用yong。膳shan食shi纖xian維wei還hai能neng改gai善shan腸chang道dao菌jun群qun,使shi食shi物wu容rong易yi被bei消xiao化hua吸xi收shou。近jin年nian的de研yan究jiu還hai說shuo明ming膳shan食shi纖xian維wei尤you其qi是shi可ke溶rong性xing纖xian維wei對dui血xue糖tang、血脂代謝都起著改善作用,這些功能對老年人特別有益。隨著年齡的增長,非傳染性慢性病如心腦血管疾病、糖尿病、癌症等發病率明顯增加,膳食纖維還有利於這些疾病的預防。 胚乳中含有的維生素E是抗氧化維生素,zairentikangyanghuagongnengzhongqizhezhongyaodezuoyong。laonianrenkangyanghuanenglixiajiang,shifeichuanranxingmanxingbingdeweixianzengjia,gucongshanshizhongsheruzugouliangkangyanghuayingyangsushifenbiyao。lingwaimouxieweiliangyuansu,ruxin、鉻對維持正常糖代謝有重要作用。 laonianrenjichudaixiexiajiang,conglaonianqianqikaishijiurongyifashengchaozhonghuofeipang。feipangjianghuizengjiafeichuanranxingmanxingbingdeweixian,gulaonianrenyaojijicanjiashiyidetilihuodonghuoyundong,ruzoulu、taijiquandeng,yigaishanqigezhongshengligongneng。danyinlaonianrenxueguandanxingjiandi,xueliuzulizengjia,xinnaoxueguangongnengjiantui,guhuodongbuyiguoliang,fouzechaoguoxinnaoxueguanchengshounengli,fanshigongnengshousun,zengjiagaileijibingdeweixian。yincilaonianrenyingtebiezhongshihelitiaozhengjinshilianghetilihuodongdepinghengguanxi,batizhongweichizaishiyifanweinei。 |