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现代社会,人们不再只注重食物的色香味,越来越重视的是膳食营养搭配。但是仅仅靠经验恐怕有些不够,就像许多人都有“菠菜含铁高”这个概念,但其实菠菜含铁量并不高。人们认为菠菜含铁高,其实是源于一位科学家的疏忽。德国化学家埃里希·冯·沃尔夫在研究菠菜的含铁量时,错将小数点后移一位,让原本100克菠菜的3、5毫克含铁量增至35毫克。虽然后来沃尔夫意识到这个错
In modern society, people no longer pay attention only to the color and scent of food, more and more attention is paid to dietary nutrition. However, I am afraid that there is not enough experience alone, just as many people have the notion of “spinach with high iron content”, but in fact, iron content in spinach is not high. People think spinach high iron content, in fact, stems from the negligence of a scientist. When German chemist Erich von Wolfe studied the iron content of spinach, he mistakenly shifted the decimal point one place to increase the iron content of the original 100 grams of spinach to 3,5 milligrams. Although Wolf later realized that wrong