孕妇营养菜谱搭配八种忌讳

孕妇营养菜谱搭配八种忌讳 2008-06-26 15:04:37  字体:【大 中 小】  来源:齐鲁网   我很喜欢这篇文章！收藏到网摘: HYPERLINK "javascript:u=location.href;t=document.title;c%20=%20%22%22%20+%20(window.getSelection%20?%20window.getSelection()%20:%20document.getSelection%20?%20document.getSelection()%20:%20document.selection.createRange().text);var%20url=%22http://cang.baidu.com/do/add?it=%22+encodeURIComponent(t)+%22&iu=%22+encodeURIComponent(u)+%22&dc=%22+encodeURIComponent(c)+%22&fr=ien" \l "nw=1%22;window.open(url,%22_blank%22,%22scrollbars=no,width=600,height=450,left=75,top=20,status=no,resizable=yes%22); void 0" \o "Baidu搜藏" HYPERLINK "javascript:window.open('http://shuqian.qq.com/post?title='+encodeURIComponent(document.title)+'&uri='+encodeURIComponent(document.location.href)+'&jumpback=2&noui=1','favit','width=960,height=600,left=50,toolbar=no,menubar=no,location=no,scrollbars=yes,status=yes,resizable=yes');void(0)" \o "QQ书签" HYPERLINK 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HYPERLINK "javascript:d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(blog=window.open('http://www.bolaa.com/CommendBlog/SmallLogin.aspx?title='+escape(d.title)+'&newspath='+escape(d.location.href)+'&subtitle='+escape(t),'bolaa','width=400px,height=400px'));blog.focus();" \o "博拉网" HYPERLINK "javascript:d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(keyit=window.open('http://www.cn3.cn/user/addurl.asp?t='+escape(d.title)+'&u='+escape(d.location.href)+'&c='+escape(t),'keyit','scrollbars=no,width=490,height=450,left=120,top=50,status=no,resizable=yes'));keyit.focus();" \o "天下图摘"   　　鸡蛋与豆浆降低蛋白质吸收 　　生豆浆中含有胰蛋白酶抑制物，它能抑制人体蛋白酶的活性，影响蛋白质在人体内的消化和吸收，鸡蛋的蛋清里含有黏性蛋白，可以同豆浆中的胰蛋白酶结合，使蛋白质的分解受到阻碍，从而降低人体对蛋白质的吸收率。 　　牛奶与巧克力易发生腹泻 　　牛奶含丰富的蛋白质和钙，巧克力则含草酸，若二者混在一起吃，牛奶中的钙会与巧克力中的草酸结合成一种不溶于水的草酸钙，食用后不但不吸收，还会发生腹泻、头发干枯等症状，影响生长发育。 　　水果与海鲜不容易消化 　　吃海鲜的同时，若再吃葡萄、山楂、石榴、柿子等水果，就会出现呕吐、腹胀、腹痛、腹泻等。 　　火腿与乳酸饮料容易致癌 　　常常吃三明治搭配优酪乳当早餐的人要小心，三明治中的火腿、培根等和乳酸饮料(含有机酸)一起食用，容易致癌。为了保存香肠、火腿、培根、腊肉等加工肉制品，食品制造商会添加硝酸盐来防止食物腐败及肉毒杆菌生长。当硝酸盐碰上有机酸(乳酸、柠檬酸、酒石酸、苹果酸等)时，会转变为一种致癌物质──亚硝胺。曹大夫建议，不要常常食用这类加工肉品，当然更要避免和酸硷质低的食物一起吃，以免增加致癌风险。 　　土豆不宜烧牛肉 　　马铃薯烧牛肉，由于这两种食物消化时所需胃酸浓度不同，会延长食物在胃中的滞留时间，而拉长胃肠消化吸收的时间，造成胃肠的不适。 　　海鲜与啤酒易诱发痛风 　　海鲜是一种含有嘌呤和苷酸两种成分的食物，而啤酒中则富含分解这两种成分的重要催化剂――维生素B1。 　　如果吃海鲜时饮啤酒，会促使有害物质在体内的结合，增加人体血液中的尿酸含量，从而形成难排的尿路结石。曹大夫说如果自身代谢有问题，吃海鲜的时候喝啤酒容易导致血尿酸水平急剧升高，诱发痛风，以致出现痛风性肾病、痛风性关节炎等。 　　菠菜与豆腐易患结石症 　　豆腐里含有氯化镁、硫酸钙这两种物质，而菠菜中则含有草酸，两种食物遇到一起可生成草酸镁和草酸钙。这两种白色的沉淀物不能被人体吸收，不仅影响人体吸收钙质，而且还容易患结石症。医生建议，如果两者能分开吃，营养吸收会比较好。 　　萝卜与橘子易诱发甲状腺肿大 　　萝卜会产生一种抗甲状腺的物质硫氰酸，如果同时食用大量的橘子、苹果、葡萄等水果，水果中的类黄酮物质在肠道经细菌分解后就会转化为抑制甲状腺作用的硫氰酸，进而诱发甲状腺肿大。