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水果热吃有营养吗?专家告诉你!

科普中国-科学原理一点通 2017-12-28

  近日,一则名为“水果热着吃也有营养”的帖子在微博、微信朋友圈中流传开来,帖子中介绍了寒冬季节水果热着吃的不同方式,包括煲汤、微波炉里烤,甚至油煎,引起网友的讨论。到底什么水果适合热着吃?热着吃有什么方式?营养会不会流失?

  武警广东省总队医院营养科主任曾晶介绍,并不是所有人在吃水果的时候都必须热着吃,脾胃较弱、体质偏寒怕冷的人以及老年人,比较适合在冬天把水果热一热再吃,如果体质属于偏热,就不需要把水果热着吃。

  曾晶解释,水果含有碳水化合物、果胶、维生素等营养素,大部分维生素对热不稳定,像猕猴桃、石榴等,在加热的过程中维生素C会被破坏,所以一般不建议水果加热后吃。

  冬天温度低,怕水果凉的人可以把水果加温后进食。例如放在温水里暖一下,或者放微波炉里稍微转一转,炖雪梨、炖橙、烤香蕉、水果茶、菠萝入菜等只是增加水果的食用方法或增加食物的风味,并不推荐作为日常食用方式,油煎方式更应该少用。

  曾晶建议,水果最好是原汁、原味、原个吃,这样可以让水果的营养价值得到最大程度的体现,水果加热吃,要因人而异,不可盲目,要根据自己的肠胃功能和吸收能力而定,每天健康成人吃水果保持在200克到350克就能满足膳食要求。

  适合加热吃的水果

  

  ●梨

  雪梨可以滋阴润肺,养胃生津、祛痰止咳,对咽喉有较好的养护作用;而且雪梨中含有较多糖类物质和多种维生素,容易被人体吸收。

  ●山楂

  山楂性味酸、甘、微温,有开胃消食、化滞消积、活血化淤的功效,制作时将鲜山楂洗净后,去籽、切片,盛入杯中,加入茶叶一起冲泡,制成山楂茶。常饮山楂茶,有明显的降低胆固醇、降血压、利尿、镇静等功效。另外,还可消积食、清淤血、止腹泻、解毒化痰。

  ●橘子

  色、香、味兼优的橘子有促进人体新陈代谢的作用,如果用新鲜干净的橘皮与白糖一同冲开水喝,有理气消胀、生津润喉、清热止咳的作用。

  ●菠萝

  用菠萝和鸡肉、牛肉一起做菜,可以增加食欲,使鸡肉、牛肉的口感更好。菠萝可以预防脂肪沉积。菠萝中还含有菠萝蛋白酶能帮助止咳。

  ●苹果

  中医认为,苹果性味甘、酸、凉,入脾、胃、肺经,有生津润肺,除烦解暑,开胃醒酒,除湿止泻之功,苹果含有丰富的维生素、大量的纤维素,尤其是纤维素能够促进胃肠道的蠕动,吸附水分,从而使大便软化,促使大便排出,苹果中的纤维,对儿童的生长发育有益。

责任编辑:科普云

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