视频文本

Number 1, high fructose corn syrup
第一 HFCS
and corn syrup are the same. The truth is that
和玉米糖浆是一回事
corn syrup and high fructose corn syrup are different.
真实情况是两者是不同的
They are made from different components
它们由不同的成分构成
and serve different functions. Corn syrup is made up of
有着不同的用途，玉米糖浆主要有葡萄糖构成
mainly glucose and it does not taste sweet
它的味道不是甜的
and it is used most often as a thickener.
通常用来做增稠剂
Conversely high fructose corn syrup is made of
不同的是 HFCS是由
almost equal parts glucose and fructose
葡萄糖和果糖以几乎相同的比例构成
and is largely used as a sweetener as well as
大多数时候被用作增甜剂
other functions discussed on the previous slides.
和其它我们已经在之前讨论过的用途
Number 2, high fructose corn syrup is to blame
第二 HFCS要为过度肥胖的负责
for obesity. There's currently a lot of media attention
现在很多媒体将注意力
on high fructose corn syrup and much of it is trying to
集中在HFCS上
place the blame for obesity on this ingredient.
总是力图把肥胖的罪责怪在它身上
The truth is that high fructose corn syrup as well as
真相是 HFCS和其它
any other single food ingredient is
单个食物成分
not uniquely responsible for obesity.
并不是造成肥胖的重要原因
Rather obesity is the imbalance of
肥胖是卡路里的不平衡导致的
calories when a person consumes more calories than
当人们摄入的卡路里
which they are burning. When this imbalance occurs
比身体需要的卡路里要多，当不平衡产生时
the body stores the unused calories as fat
身体就会以脂肪的形式囤积没有消耗的卡路里
which over time leads to overweight and later obesity.
时间一长就导致了超重甚至后来的过度肥胖
Additionally the US Department of Agriculture data
此外，美国农业部数据显示
shows that composition of high fructose
当过度肥胖的概率
corn syrup has declined while rates
正在提高时
of obesity continue to increase.Number 3,
HFCS合成物的使用却在减少
sugar is healthier than high fructose corn syrup.
第三，蔗糖要比HFCS更加健康
As mentioned before sugar and high fructose corn syrup
就像之前提到的
are nearly identical in composition. They are processed
蔗糖和HFCS的成分组成几乎是一致的
the same in your body and contain the same number of
它们在人体内以相同的方式运作
calories per gram. Your body cannot tell
每克所产生的卡路里数量相同
the difference between the two.
你的身体是无法区分这两者的
Number 4, high fructose corn syrup is high in fructose.
第四 HFCS的果糖含量高
As you've learned high fructose corn syrup
就像之前了解的
is approximately half glucose and half fructose.
HFCS几乎是一半果糖，一半葡萄糖
The name high fructose corn syrup was given
将它命名为高果糖玉米糖浆
because the parent product corn syrup has virtually
是因为原始的玉米糖浆不含果糖
no fructose and is not sweet. So when the newer product
而且没有甜味
was developed from corn syrup they named
所以，人们将这个从玉米糖浆发展来的
the product high fructose corn syrup because
新产品命名为高果糖玉米糖浆
by comparison to corn syrup the new product
因为与玉米糖浆相比
has a higher amount of fructose.
它有更高的果糖含量
The final misconception is that high fructose
最后一个误区是HFCS
corn syrup blocks the body's ability to know
阻碍人体得知自己已经吃饱
when it is full. Studies have shown
研究表明
that there is no difference in satiety,
在摄入HFCS，蔗糖和牛奶后
the feeling of being full, or energy intake
饱腹感或者能量摄取量
after consumption of high fructose corn syrup,
都没有区别
sucrose or milk. So once again
所以，再一次强调
there is no difference. After learning
它们是没有区别的
all this information what's the bottom line
在了解这些信息之后
about what you need to remember about
我们需要记住
high fructose corn syrup? High fructose corn syrup
HFCS的本质
is in essence the same as table sugar
HFCS在本质上与蔗糖相同
and should be consumed in moderation just as
就像所有甜味剂都应该摄入适度一样
you should consume all sweeteners in moderation.
HFCS也应该摄入适度
The dietary guidelines of 2005 recommend
2005年的膳食指南建议
quote "a healthy eating plan is one that is low
健康饮食应该少量摄取在饱和脂肪
in saturated fats, trans fats, cholesterol, salt and
反式脂肪，胆固醇，盐分和糖类添加剂
added sugars. High fructose corn syrup
HFCS可以被视为
can be thought of as one of these added sugars."
糖类添加剂的一种

视频及简介

视频简介：

本课程的目标是，向公众提供最新的有关营养方面的信息和话题，内容涵盖饮食因素对于癌症的影响作用，健康的饮食习惯，学校能提供的营养有哪些，咖啡因与癌症的联系，水果蔬菜与癌症预防等。通过本课程的学习，人们可以学习到健康的生活饮食习惯，在每天的饮食中防癌症于未然