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Old 08-13-2011, 03:35 PM   #1
skyccnicke
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Default 乘坐飞机前的饮食

有些人在乘坐飞机时,往往会出现头晕、胸闷、恶心、胃肠胀气,甚至呕吐等症状,加湿器厂家,这与机前饮食有很大关系。为此,乘机前要做到饮食几个注意:   
一忌大荤及高蛋白贪物,因为高脂肪、高蛋白食物在胃里停留时间长,难以消化,一般需要4至5个小时才能从胃 中排空,加之人在空中消化液分泌量减少,胃肠消化功能减弱,更容易出现胃肠膨胀,腹部难受、胀气、打呃等消 化不良反应,因此,上飞机前应以吃清淡的食物为宜。  
二忌进食大量的粗纤维食物,一个人在正常情况下,胃肠道内含有1000毫升气体,璐瑶足浴盆厂家,其中由口吞入的约占80%,消化食物时所产生的气约占20%。随着飞行高度的上升,光波炉和电磁炉的区别,气压越来越低,胃肠道内的气体就会发生膨胀。若飞行到5000米高度时,胃肠道中的气体要比地面上的增加 2到4倍,临行前如果吃了一些容易生气的食物如汽水啤酒萝卜等,在飞机上就容易产生不适。   
三忌进食过饱或空腹上机。因为飞机升到高空后,胃肠血液的供给相对减少,致使胃分泌减少,胃肠蠕动减弱,不 利于食物的吸收。
如果上机前进食过饱,因胃内空气增多而加重心脏的负担。相反,乘飞机前也不宜空腹,否则,加湿器批发价格,由于血糖消耗量增加而产生低血糖反应,会出现头晕、恶心、呕吐等症状,或是原有的“晕机”症状加重,所以 ,上飞机前适当吃点东西,既不要吃得太饱,也不宜空腹上机。
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