维他命饮料 究竟是好是坏
<p><span word="Companies">Companies</span> <span word="are">are</span> <span word="increasingly">increasingly</span> <span word="adding">adding</span> <span word="vitamins">vitamins</span> <span word="and">and</span> <span word="minerals">minerals</span> <span word="to">to</span> <span word="juices">juices</span>, <span word="sports">sports</span> <span word="drinks">drinks</span> <span word="and">and</span> <span word="bottled">bottled</span> <span word="water">water</span>, <span word="responding">responding</span> <span word="to">to</span> <span word="a">a</span> <span word="growing">growing</span> <span word="consumer">consumer</span> <span word="demand">demand</span> <span word="for">for</span> <span word="these">these</span> <span word="products">products</span>. <span word="Even">Even</span> <span word="though">though</span> <span word="the">the</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="added">added</span> <span word="nutrients">nutrients</span> <span word="in">in</span> <span word="these">these</span> <span word="drinks">drinks</span> <span word="are">are</span> <span word="typically">typically</span> <span word="small">small</span>, <span word="some">some</span> <span word="nutrition">nutrition</span> <span word="scientists">scientists</span> <span word="are">are</span> <span word="concerned">concerned</span> <span word="that">that</span> <span word="through">through</span> <span word="their">their</span> <span word="overall">overall</span> <span word="diets">diets</span>, <span word="many">many</span> <span word="people">people</span> <span word="may">may</span> <span word="be">be</span> <span word="ingesting">ingesting</span> <span word="levels">levels</span> <span word="of">of</span> <span word="vitamins">vitamins</span> <span word="and">and</span> <span word="other">other</span> <span word="nutrients">nutrients</span> <span word="that">that</span> <span word="are">are</span> <span word="not">not</span> <span word="only">only</span> <span word="unnecessary">unnecessary</span>, <span word="but">but</span> <span word="potentially">potentially</span> <span word="harmful">harmful</span>.</p><p>饮料公司在果汁、运动饮料和瓶装水中添加了愈来愈多的维生素和矿物质，以满足顾客对这些东西日益增长的要求。尽管这些饮料中添加的营养素大多比较少，但是有些营养科学家担心，从总体饮食来看，很多人额外摄入的维生素和其他营养素不仅没必要，而且可能有害。</p><p>“<span word="You">You</span> <span word="have">have</span> <span word="vitamins">vitamins</span> <span word="and">and</span> <span word="minerals">minerals</span> <span word="that">that</span> <span word="occur">occur</span> <span word="naturally">naturally</span> <span word="in">in</span> <span word="foods">foods</span>, <span word="and">and</span> <span word="then">then</span> <span word="you">you</span> <span word="have">have</span> <span word="people">people</span> <span word="taking">taking</span> <span word="supplements">supplements</span>, <span word="and">and</span> <span word="then">then</span> <span word="you">you</span> <span word="have">have</span> <span word="all">all</span> <span word="these">these</span> <span word="fortified">fortified</span> <span word="foods">foods</span>,” <span word="said">said</span> <span word="Mridul">Mridul</span> <span word="Datta">Datta</span>, <span word="an">an</span> <span word="assistant">assistant</span> <span word="professor">professor</span> <span word="in">in</span> <span word="the">the</span> <span word="department">department</span> <span word="of">of</span> <span word="nutrition">nutrition</span> <span word="science">science</span> <span word="at">at</span> <span word="Purdue">Purdue</span> <span word="University">University</span>. “<span word="It">It</span> <span word="adds">adds</span> <span word="up">up</span> <span word="to">to</span> <span word="quite">quite</span> <span word="an">an</span> <span word="excess">excess</span>. <span word="There">There</span>’<span word="s">s</span> <span word="the">the</span> <span word="potential">potential</span> <span word="for">for</span> <span word="people">people</span> <span word="to">to</span> <span word="get">get</span> <span word="a">a</span> <span word="lot">lot</span> <span word="more">more</span> <span word="of">of</span> <span word="these">these</span> <span word="vitamins">vitamins</span> <span word="than">than</span> <span word="they">they</span> <span word="need">need</span>.”</p><p>“食物中本来就含有维生素和矿物质，还有人服用补充剂，还有这些营养强化食品，”普渡大学营养科学系助理教授姆里杜尔·达塔(<span word="Mridul">Mridul</span> <span word="Datta">Datta</span>)说，“所有这些加起来，就太多了。人们摄取的维生素可能比他们需要的多很多。”</p>
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