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[灌水]我爱吃土豆,土豆越吃越瘦

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发表于 2007-3-5 15:04:11 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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<p style="TEXT-JUSTIFY: inter-ideograph; TEXT-INDENT: 25.8pt; TEXT-ALIGN: justify; mso-char-indent-count: 2.0; mso-char-indent-size: 12.9pt;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">有人说,土豆是一种营养非常全面的食品,只要吃足够多的土豆和牛奶,就可以满足身体的一切养分需要</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">--</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">这话虽然有点夸张,但足以证明,土豆是个好东西。难怪莎士比亚曾让他剧中的一位主人公大喊:</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">让老天下土豆雨吧!</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">" <p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  可是又有人说,吃土豆容易发胖。于是,人们对土豆望而却步。真是这样吗? </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  土豆是蔬菜中热量最高的一种,因为其中含有淀粉。但是,它的含水量高达</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">76%</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">以上,真正的淀粉含量不到</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">20%</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">,其中还含有能够产生</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">饱腹感</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">的</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">膳食纤维</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">,所以用它们来代替主食具有减肥效果。 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  那么,为什么土豆还被许多人看成令人发胖的食品呢? </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  第一: </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  因为人们烹调不当,把好端端的土豆做成炸薯条、炸薯片。做过</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">土豆烧肉</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">的人都知道,马铃薯的吸油能力很强。据测定,一只中等大小的不放油的</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">烤土豆</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">仅含约</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">90</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">千卡热量,而同一个土豆做成炸薯条后所含的热能达</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">200</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">千卡以上。可见,令人发胖的不是土豆本身,而是它吸收的油脂。 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  第二: </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  因为人们没有用土豆来代替主食,而是把它当成菜肴。土豆中所含的热量比主食少,却比一般蔬菜多。如果用土豆当菜,便应适当地减少主食的数量。若不减主食,结果便是</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">--</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">吃土豆菜比吃青菜容易发胖。 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  其实,从营养价值角度来说,土豆还是一种极好的主食。 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-INDENT: 25.8pt; TEXT-ALIGN: justify; mso-char-indent-count: 2.0; mso-char-indent-size: 12.9pt;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">首先,它的钾、镁含量高于精白米和精白面粉,是一种成碱性食品。而所有的精白米面都让人体质偏酸。其次,土豆的蛋白质质量高。虽然蛋白质的含量只有</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">2%</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">,但是其中富含赖氨酸,只要吃的数量足够多,就可以让人获得身体所需的各种氨基酸。第三,土豆含有维生素</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">C</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">,这可是精米白面所没有的好东西。第四,土豆含有膳食纤维,而精米白面纤维很少。土豆的纤维质地柔软,不会刺激肠胃,各种人都可以吃。胃溃疡或肠炎的人也可以放心地吃土豆。 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  土豆高温加热会产生一定毒性 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  但是,从食品安全的角度来说,土豆不是一种好的零食。原来,土豆高温加热之后,特别容易形成</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">丙烯酰胺</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">"</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">类有毒物质,所以炸薯片是这种毒物含量最高的食品,炸薯条也有这种麻烦。所以,吃土豆类脆片、油炸片、薯条之类零食都要格外小心,每天不要超过</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">25</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">克。 </span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;"><p></p></span></font></p><p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify;"><font face="新細明體"><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">  幸好,家常蒸煮炖炒的加热温度不超过</span><span lang="EN-US" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">120</span><span lang="ZH-CN" style="LETTER-SPACING: 1.2pt; mso-fareast-language: ZH-CN;">度,不会产生任何有害物质。炖土豆、炒土豆、蒸土豆等都可以放心食用,只是要注意,吃了它们就要相应减少主食。</span></font></p>
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