蟑螂奶未来或成为超级食品
<p><span word="An">An</span> <span word="international">international</span> <span word="team">team</span> <span word="of">of</span> <span word="scientists">scientists</span> <span word="has">has</span> <span word="just">just</span> <span word="sequenced">sequenced</span> <span word="a">a</span> <span word="protein">protein</span> <span word="crystal">crystal</span> <span word="located">located</span> <span word="in">in</span> <span word="the">the</span> <span word="midgut">midgut</span> <span word="of">of</span> <span word="cockroaches">cockroaches</span>. <span word="The">The</span> <span word="reason">reason</span>?</p><p>最近，一个国际科学家团队确定了蟑螂中肠内的蛋白质晶体的结构序列。为什么要研究这个？</p><p><span word="It">It</span>’<span word="s">s</span> <span word="more">more</span> <span word="than">than</span> <span word="four">four</span> <span word="times">times</span> <span word="as">as</span> <span word="nutritious">nutritious</span> <span word="as">as</span> <span word="cow">cow</span>’<span word="s">s</span> <span word="milk">milk</span> <span word="and">and</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="think">think</span> <span word="it">it</span> <span word="could">could</span> <span word="be">be</span> <span word="the">the</span> <span word="key">key</span> <span word="to">to</span> <span word="feeding">feeding</span> <span word="our">our</span> <span word="growing">growing</span> <span word="population">population</span> <span word="in">in</span> <span word="the">the</span> <span word="future">future</span>.</p><p>因为它的营养价值是牛奶的四倍多。研究人员认为在人口不断增长的将来，蟑螂奶可以成为人类的重要食物。</p><p><span word="Although">Although</span> <span word="most">most</span> <span word="cockroaches">cockroaches</span> <span word="don">don</span>’<span word="t">t</span> <span word="actually">actually</span> <span word="produce">produce</span> <span word="milk">milk</span>, <span word="Diploptera">Diploptera</span> <span word="punctate">punctate</span>, <span word="which">which</span> <span word="is">is</span> <span word="the">the</span> <span word="only">only</span> <span word="known">known</span> <span word="cockroach">cockroach</span> <span word="to">to</span> <span word="give">give</span> <span word="birth">birth</span> <span word="to">to</span> <span word="live">live</span> <span word="young">young</span>, <span word="has">has</span> <span word="been">been</span> <span word="shown">shown</span> <span word="to">to</span> <span word="pump">pump</span> <span word="out">out</span> <span word="a">a</span> <span word="type">type</span> <span word="of">of</span> ‘<span word="milk">milk</span>’ <span word="containing">containing</span> <span word="protein">protein</span> <span word="crystals">crystals</span> <span word="to">to</span> <span word="feed">feed</span> <span word="its">its</span> <span word="babies">babies</span>.</p><p>尽管大多数蟑螂自身并不产奶，但有一种斑点折翅类蟑螂，是目前已知的唯一一种胎生蟑螂，它会分泌出一种含有蛋白质晶体的“奶”来喂养下一代。</p>
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