As I mentioned in the earlier class, most of you would probably rather have some high fat food like French fries or ice cream, or some type of a dessert than have cauliflower or have broccoli or have brussel sprouts.
就像我前面提到的,你们大部分人都宁愿,食用高脂食品,诸如炸薯条或冰激凌,或者一些甜点,而不是花椰菜,西兰花或是抱子甘蓝
The mere fact of labeling Trans fat had a big impact on the food industry wanting to take it out.
列出反式脂肪对于食品行业,停止使用反式脂肪有重大影响
Then you can look at the number of calories per --from fat that's offered in the food.
下面能看出食物中有多少热量来自脂肪
The macro nutrients are the big constituents of food, that's protein, carbohydrate, and fat.
大量营养素是食物重要组成来源,即蛋白质,碳水化合物和脂肪
Why would the food industry want to introduce Trans fat in the first place?
最初食品业为什么要引进反式脂肪呢
I just mentioned examples of that, so the organism seeks out fat, sweet, and variety and eating large amounts of food becomes a priority, at least according to the brain.
我仅仅是举了个例子,机体寻求脂肪,糖或其他食物,大量进食成了首要任务,至少大脑是这么认为的
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
The calorie density has changed because food is processed, so the calories in the fat and the sugar that can get squeezed into things made possible by technological changes has shifted things a lot.
食品经过加工,热量密度发生了变化,添加到食品中的脂肪和糖类,其卡路里含量可通过技术手段进行调整,进而造成很大不同
They're the ones who would seek out high fat, high sugar diets because then they would get calories to seek out a variety of food, to eat in--eat above what immediate hunger might dictate.
这些人追求高脂高糖饮食,以获得足够能量,继而寻找更多种食物,饥饿驱使他们吃可以迅速果腹的食品
And the fact is, food is healthier if it has less trans fat, but it depends on what fat's swapped out for it, because if you put a healthier fat in then it's--then you get a certain amount of improvement.
事实是,如果食物中反式脂肪的含量较低,确实会更健康,但这取决于被剔除的脂肪种类,因为如果加入较为健康的脂肪,食物的质量会获得一定程度的改善
Hydrogenation is an interesting process and will bring us to the discussion of Trans fat in just a few minutes, but it's basically when you hydrogenate a food you are altering its chemical properties to take a soft fat and make it more solid.
氢化是个有趣的过程并且,一会儿我们将由它引出反式脂肪的话题,但基本上,对食物进行氢化,是在改变食物的化学性质,将软脂酸变为硬脂酸
If you have a brain, and a body, and a metabolism that wants calories, it wants fat, it wants sugar, it wants a broad variety of food so you can survive, that would be good if you lived in certain parts of the world today.
如果你有大脑,有身体,有新陈代谢,这些都需要能量,就需要脂肪,需要糖,需要极其多样食物,你才能活下来,世界上只有部分地区可以保证这些
If you look at certain parts of this, like fat and added sugar, you have 5% is the recommended amount of sugar and fat added to food, but the actual amount is between the sugar and the fat put together is 48%.
如果你仔细看看某些部分,比如脂肪和额外糖分这项,食物中添加脂肪和糖的推荐量5%,而实际添加量,二者合计是48%
If you take in more calories than you consume, it gets stored in the fat cells, that's the energy bank that you can draw upon if you don't have enough food and starvation or famine were an issue.
如果你摄入的热量超过消耗的,热量就会存储在脂肪细胞中,这就是能量库,你可以在,食物不够以及饥饿或饥荒的时候利用它
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