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They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.
它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成
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And then linked to the glycerol instead of a third fatty acid chain is a water soluble molecule, like a salt.
但连到甘油上的第三个基团不是脂肪酸链,而是一种水溶性的分子,像盐一样
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But Yum Brands responded in a very interesting way when the call to remove trans fat first came out.
但百胜餐饮集团对撤除反式脂肪酸的号召,刚一出台时的回应十分有趣
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Fatty acid chains are fat molecules, they behave, if you have a lot of them in solution like oil.
脂肪酸链就是脂肪分子,它们看上去好像,如果你见过富含脂类的溶液,比如油
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And so fish doesn't become a food to eat because it's good for you; you eat it because it has Omega-3's.
所以我们不是因为鱼好吃所以才吃鱼,而是因为其中含有ω-3脂肪酸
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But also, switching out the trans fat in another kind of fat doesn't change the calories at all.
同样地,用其它的脂肪来代替,反式脂肪酸不会改变食物的总热量
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They have two fatty acid chains and so these are the oily like parts of the molecule, the molecules that behave like oil.
它们含有两条脂肪酸链,这是部分分子具有油脂的属性,使磷脂分子具有油脂的属性
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Okay, it still tastes good despite not having trans fats.
尽管不含反式脂肪酸,肯德基依旧美味
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If a food never had trans fat in it but it gets labeled as having no trans fat, does that increase your perception of how good that food is for you?
如果某种食品不含反式脂肪酸,而上面也贴着不含反式脂肪酸的标签,它是否会提高你对这个食品的认知呢
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Are trans fats bad or trans fats good?
反式脂肪酸是好的还是坏的呢
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When people are eating foods that are too high in fat and sugar and they eat these foods consistently, and have other bad nutrients like trans fats, a lot of bad things happen to the body.
如果人长时间吃,高糖高脂肪的,并含有不良成分如反式脂肪酸的食品,身体就会出现许多不好的反应
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Talking--presenting the picture to the world that, 'Well look at this wonderful thing we did, we took out the trans fats and now you can eat as much of it as you want.' They don't say it but one could infer that from the advertisement.
他们向全世界展示这样的情景,"看看我们做的这件好事吧,我们摒弃了反式脂肪酸,现在你们可以尽情享用食物了",他们并没有直接说出这样的话,但任何一个人都能从广告里看出来
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Fat is not all that much different, but one thing that's happened is the type of fat has changed a lot, and so people are eating less fat from plant sources and more fat from animals sources That's where the saturated fat comes in and high saturated fat intake is not a good thing.
脂肪摄入量相差无几,然而脂肪的种类却发生了很大变化,人们越来越少从植物中摄取脂肪,而更多是从肉类食物中获得,肉类食物中含有饱和脂肪酸,而过多地摄入饱和脂肪酸是有害的
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