用蓝色杯子喝咖啡味道更甜？
<p>一项新研究表明，用蓝色杯子或玻璃杯喝咖啡会降低咖啡的苦味，不用加糖就会感觉更甜。</p><p>实验表明，相比玻璃杯，用白色杯子喝咖啡会感觉味道更浓；而相比有颜色的杯子，用白色杯子喝咖啡会感觉味道更苦。</p><p>研究结果显示，用蓝色杯子喝咖啡感觉最甜。</p><p>科学家认为，白色杯子会加重咖啡颜色的视觉效果，而咖啡的褐色是和苦味联系在一起的。</p><p>先前的研究就发现，颜色会改变食物的口感。红色草莓口味慕斯蛋糕盛放在白色盘子上比乘放在黑色盘子上感觉更甜更可口。</p><p><span word="More">More</span> <span word="than">than</span> 2.25 <span word="billion">billion</span> <span word="cups">cups</span> <span word="of">of</span> <span word="coffee">coffee</span> <span word="are">are</span> <span word="consumed">consumed</span> <span word="across">across</span> <span word="the">the</span> <span word="globe">globe</span> <span word="each">each</span> <span word="day">day</span>, <span word="and">and</span> <span word="its">its</span> <span word="likely">likely</span> <span word="that">that</span> <span word="many">many</span> <span word="taste">taste</span> <span word="bitter">bitter</span>.</p><p><span word="Now">Now</span>, <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="suggests">suggests</span> <span word="that">that</span> <span word="coffee">coffee</span> <span word="fans">fans</span> <span word="can">can</span> <span word="make">make</span> <span word="their">their</span> <span word="drink">drink</span> <span word="taste">taste</span> <span word="sweeter">sweeter</span> <span word="by">by</span> <span word="simply">simply</span> <span word="swapping">swapping</span> <span word="the">the</span> <span word="colour">colour</span> <span word="of">of</span> <span word="their">their</span> <span word="cup">cup</span>.</p><p><span word="Scientists">Scientists</span> <span word="claim">claim</span> <span word="that">that</span> <span word="blue">blue</span> <span word="and">and</span> <span word="glass">glass</span> <span word="mugs">mugs</span>, <span word="which">which</span> <span word="are">are</span> <span word="popular">popular</span> <span word="in">in</span> <span word="some">some</span> <span word="coffee">coffee</span> <span word="shops">shops</span>, <span word="reduce">reduce</span> <span word="a">a</span> <span word="coffee">coffee</span>’<span word="s">s</span> <span word="bitterness">bitterness</span>, <span word="without">without</span> <span word="any">any</span> <span word="need">need</span> <span word="for">for</span> <span word="sugar">sugar</span>.</p><p><span word="Researchers">Researchers</span> <span word="from">from</span> <span word="Federation">Federation</span> <span word="University">University</span> <span word="Australia">Australia</span> <span word="and">and</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Oxford">Oxford</span> <span word="set">set</span> <span word="out">out</span> <span word="to">to</span> <span word="prove">prove</span> <span word="whether">whether</span> <span word="a">a</span> <span word="barista">barista</span>’<span word="s">s</span> <span word="claim">claim</span> - <span word="that">that</span> <span word="coffee">coffee</span> <span word="drunk">drunk</span> <span word="from">from</span> <span word="a">a</span> <span word="white">white</span> <span word="cups">cups</span> <span word="tastes">tastes</span> <span word="bitter">bitter</span> - <span word="was">was</span> <span word="true">true</span>.</p><p><span word="They">They</span> <span word="used">used</span> 36 <span word="volunteers">volunteers</span> <span word="and">and</span> <span word="three">three</span> <span word="different">different</span> <span word="coloured">coloured</span> <span word="cups">cups</span> - <span word="blue">blue</span>, <span word="white">white</span> <span word="and">and</span> <span word="transparent">transparent</span> <span word="glass">glass</span> - <span word="to">to</span> <span word="investigate">investigate</span> <span word="the">the</span> <span word="claim">claim</span>.</p><p><span word="In">In</span> <span word="one">one</span> <span word="experiment">experiment</span>, <span word="the">the</span> <span word="white">white</span> <span word="mug">mug</span> <span word="enhanced">enhanced</span> <span word="the">the</span> <span word="rated">rated</span> ‘<span word="intensity">intensity</span>’ <span word="of">of</span> <span word="the">the</span> <span word="coffee">coffee</span> <span word="flavour">flavour</span> <span word="relative">relative</span> <span word="to">to</span> <span word="the">the</span> <span word="transparent">transparent</span> <span word="mug">mug</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="study">study</span> <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="journal">journal</span> <span word="Flavour">Flavour</span>.</p>
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