其实吃玉米的最佳时间没有严格的规定,早中晚都是可以食用的,会有各自的好处,但是一般是建议在早上的时候吃玉米。因为早晨起来我们的肠胃还未完全激活,胃部的胃酸浓度又比较高,玉米含有大量的纤维素,可以利用玉米来激活肠胃道。而且玉米的营养成分丰富,早晨是我们对于营养物质吸收效果最好的时候。玉米的味道又比较香甜,饱腹感比较强,和其他食物一起食用,可以让我们的早晨更加的活力满满。
玉米的营养价值很高的,特别是女性,吃玉米有很多好处的,只是不能早餐晚餐只吃玉米,这样会营养失衡的。
玉米的营养价值在谷类食物中是出类拔萃的.每百克玉米的脂肪含量是3.0 4.0克,为精米白面的3 6倍,其脂肪特点是:一半以上为亚油酸,并具有谷固醇,卵磷脂,维生素 E等有益于防治血管硬化和促进脑细胞功能的物质.玉米的蛋白质含量略高于精米白面,纤维素含量则是后者的4 10倍,
玉米有刺激肠蠕动,防治便秘的作用.玉米的胡萝卜素含量比大豆高5倍.每百克玉米的含钙量高达22毫克,在谷物中是少见的. 玉米的营养较为丰富 , 含有蛋白质,脂肪,淀粉,维生素 B1 ,维生素 B2 ,维生素 B6 ,维生素 A ,维生素 E ,胡萝卜素,纤维素以及钙,磷,铁等.
据研究表明 , 玉米所含的脂肪为精米精面的 4-5 倍 , 而且富含不饱和脂肪酸 , 其中 50% 为亚油酸 , 亚油酸可抑制胆固醇的吸收.玉米油是一种良好的药物 , 长期食用可降低血中胆固醇 , 软化动脉血管 , 是高血压,冠心病,肥胖症患者和老年人的理想食用油. 但是玉米的营养价值虽高,但却不可长期偏食玉米.长期单吃玉米的人,会发生维生素缺乏症,出现皮肤粗糙,角化过度等表现.所以不要经常早上只吃玉米.
玉米是一种粗纤维食物,含有大量的营养保健物质,所含的谷胱甘肽,是抗癌因子,玉米中还含有的核黄素、 维生素等营养物质对预防心脏病、癌症等疾病有很大的作用。玉米中也含有大量的植物纤维素能加速排除体内毒素,其中天然维生素E则有促进细胞分裂、延缓衰老、降低血清胆固醇、防止皮肤病变的功能。所以玉米对治疗青春痘和痘痘肌肤恢复也有一定的作用。同时玉米也富含维生素C有长寿、美容作用。玉米胚尖所含的营养物质有增强人体新陈代谢、调整系神经系统功能,能起到使皮肤细嫩光滑,抑制、延缓皱纹产生作用,对痘痘肌肤有相应的调节作用。
每天吃2根大条的玉米。
每100克玉米的热量约为86大卡,换算成米饭的话,约为3/4碗饭,其成分中碳水化合物约为19.02克,脂肪仅1.18克,蛋白质3.22克,纤维素2.7克,一天食用1-2根玉米是比较合适的,食用过多的话,淀粉在体内不消化很容易产生腹胀、腹痛等消化不良现象。
一般情况下不建议天天吃玉米,还是要根据个人体质适当适时适量的吃玉米。玉米含有丰富的营养,其中膳食纤维和微量元的含量是非常高的,经常食用玉米可以补充人体所需能量及营养,缓解便秘。虽然吃玉米有很多好处,但是不建议长期吃,因为玉米是粗粮,天天吃可能会导致消化不良甚至肠道阻塞,还会影响对其他食物的吸收使身体缺乏营养,也可鞥你导致维生素缺乏症。不能只吃玉米不吃其他食物。只是单一的玉米会营养不足。饮食要均匀,除了玉米还要吃其他的蔬菜和水果,肉类等等。饮食一定要均衡,不可偏食。
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