推荐回答(4个)
很遗憾,骨头汤里的钙质,甚至还不如自来水。
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咱们有句老话叫“以形补形”。肾不好就该吃猪腰子,视力不好吃鱼眼睛明目,如果不幸骨折了,那当然是喝骨头汤来补钙,帮助骨头愈合了。错错错!事实上,用骨头汤来补钙,这是彻彻底底的大错误!骨头汤不仅不能让你补钙,反而会让你摄入大量的脂肪!
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对于一个正常成年人来说,每天需要摄入的钙质大约是800毫克,对于11-14岁的青少年,以及50岁以上的中老年人来说,这个数字还要再增加一些。那么,骨头汤含有多少钙质呢?北京协和医院营养科主任医师曾做过实验,结论是:每100ml骨头汤,含有的钙质大约是1.9mg。然而,每100ml的自来水中,就含有2.0mg的钙质!而每100ml牛奶里,就有104mg的钙质!也就是说,骨头汤的补钙效果,仅为牛奶的1/50,甚至连自来水都不如!
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这个事实,是不是让你惊掉了下巴呢?如果想要依靠骨头汤来满足每天的钙质摄入,那么每天起码要喝300碗以上的骨头汤,才能达成!有人可能会说,在炖骨头汤的时候,往里面加点醋,就能让钙质的含量增加。事实上,这个结论倒是没错。实验发现,在熬骨头汤的时候加点醋,的确能让钙质的析出略微增加,但这个数值非常小。而糟糕的是,醋在增加钙质析出的同时,也会增加骨头里有害物质的析出,反而让骨头汤更不健康。
说到这里,你是不是很好奇:看起来纯白浓厚的骨头汤,里面居然只有这么少的钙质?那骨头汤里有什么营养呢?其实,那牛奶般浓醇的骨头汤,里面充斥着大量的脂!肪!正是这些脂肪微粒均匀分布在汤里,才能让它呈现出诱人的色泽,并且喝起来口感鲜香醇厚。既然骨头汤无法补钙,那么我们应该通过哪些食物,来起到补充钙质的效果呢?首当其冲的就是牛奶。牛奶基本上是最佳的天然补钙食物,它不仅含有丰富钙质,还含有大量的磷、铁、锌、铜等其他矿物质元素,对健康非常有益。对于一般成年人来说,每天的日常饮食,加上250-500毫升的牛奶摄入,基本就能满足一天所需的钙质了。
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此外,豆腐也是一种比较好的补钙食物。豆腐种类很多,最适合补钙的就是北豆腐,也就是卤水豆腐,每100g北豆腐中,含有138mg的钙质。不过需要注意的是,豆制品虽然能补钙,但豆浆的补钙效果就不怎么样了,同等种类的豆浆,钙含量还不到牛奶的十分之一。
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最后再说一下蔬菜。在蔬菜中,菠菜、韭菜、油麦菜、西兰花等深绿色蔬菜,它们的钙质含量都是比较可观的。这些深绿色蔬菜中,佼佼者可能是荠菜,荠菜的钙含量甚至是牛奶的3倍!不过它的钙质吸收率比较低,补钙效果仍然比不上牛奶。但综合来看,深绿色蔬菜仍然算得上是天然食物中的补钙小能手了。
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综上所述,咱们从食物里摄取钙质的途径还是非常广泛的,每天喝1-2杯牛奶,吃点深绿色蔬菜和豆制品,基本就能正常满足一天所需的钙质了。而骨头汤嘛,就过过嘴瘾,品尝它浓醇鲜美的口感吧,指望骨头汤来补钙是完全不切实际的!最后要提醒大家一下,骨头汤虽然好喝,但其脂肪含量很高,为了健康,建议不要经常喝它噢!
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注意先把骨头焯水。把骨头焯水后洗干净再倒入锅中,放与玉米一起熬即可。
熬骨头汤的时候应该选择新鲜的骨头,在汤里面加入一些辅助材料,提高营养价值,比如说枸杞,香菇,木耳,还要注意火候,不要时间过长。
我们一定要确保骨头是新鲜的,然后我们把骨头清洗干净放在一边,再准备一些枸杞、人参之类的补血补气的食材,起锅烧油,把配料放入锅中翻炒,加入山上清水,再把骨头也放进去再加入枸杞人参之类的食材放入适当的调味品,出锅以后就可以享受这道美食了,非常的有营养。
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