视频文本

High fructose corn syrup, what is
关于高果糖玉米糖浆
the truth? This presentation will
真相是什么
seek to explain the information that
本课程将会说明
consumers should know about high fructose corn syrup
消费者应该了解的关于高果糖玉米糖浆的信息
which will be referred to during this presentation
下面高果糖玉米糖浆将简称为HFCS
as HFCS. By the end of the presentation you will
在本课程之后
have learned what high fructose corn syrup is,
你会了解什么是HFCS
why food manufacturers use it in food products,
为什么食品生产商将它加入食品产品
which food products contain HFCS and how HFCS
哪些食物产品包含HFCS
is processed in you body, common misconceptions
HFCS是怎样在我们体内运作的
about this product and finally
对于HFCS的误区
the bottom line about this ingredient.
最后介绍这一成分的本质
High fructose corn syrup is a sweetener
HFCS是一种从玉米提取的甜料
that is made from corn and used for many different
在食物产品中
functions in food products. Just as table sugar is
应用于多种功能，就像蔗糖
made from sugar cane or beets, high fructose corn syrup
是从甘蔗或甜菜中提取的一样
is made from corn. High fructose corn syrup
HFCS是从玉米中提取的
is nearly identical in composition to table sugar
HFCS和蔗糖的成分几乎是一样的
which is approximately 50% fructose and 50% glucose.
蔗糖包含大约50%的果糖和50%的葡萄糖
There are two different formulas used for
HFCS有两种不同的成分构成
high fructose corn syrup, either 55% fructose
一种是含有55%果糖和45%葡萄糖
and 45% glucose or 42% fructose and 58% glucose.
另一种是含有42%果糖和58%葡萄糖
The function of the high fructose corn syrup determines
HFSC的用途决定食品生产商
which formula a food manufacturer would use.
会运用哪一种成分构成
To understand more about high fructose corn syrup，
为了更加了解HFSC
let's take a look at the two components that make up
我们介绍一下它的两种成分
high fructose corn syrup; fructose and glucose.
果糖和葡萄糖
Glucose and fructose are both a monosaccharide
果糖和葡萄糖都是单糖
which is the simplest form of sugar. You can think of
是糖的最简化形式，你可以把它们想象成
these as the smallest building blocks for
碳水化合物大厦的一砖一瓦
carbohydrates. Glucose is found in nearly all foods
葡萄糖几乎存在于所有
that contain carbohydrates and fructose
包含碳水化合物的食物中
is commonly found in fruits and honey.
果糖则通常存在于水果和蜂蜜中
Like table sugar and other carbohydrates,high fructose
就像蔗糖和其它碳水化合物
corn syrup has 4 calories of energy per gram.
每克HFCS含有4卡路里
A common question about high fructose corn syrup
关于HFCS的一个常见问题是
is why would food manufacturers use this product?
为什么食品生产商会应用这一物质
High fructose corn syrup serves many functions
食物中的HFCS会有很多功能
in food and many of which do not necessarily
并不仅仅是增加
make the product taste sweeter. It can be used
食物甜度的作用
as a flavor enhancer for both sweet and spicy flavors.
它可以用来作为甜味和辣味的增味剂
For this function manufacturers will use this
有了这个功能
in products like baked goods, fruit fillings,
食品生产商把它用于烘焙食物，水果馅
tomato products, canned fruit and beverages.
番茄产品，灌装水果和饮料
High fructose corn syrup also can provide
HFCS还能为食物产品提供
fermentable sugars in food products such as
可发酵性糖
baked goods or yogurt. Other functions this ingredient
例如烘焙食品和酸奶
serves are to enhance moisture control, retard spoilage
该成分的其它功能有促进水分控制，减缓变质
or increase shelf-life, enhance texture and extend
延长贮藏期限，改善质地
freshness for such foods as baked goods, granola
提高新鲜度等，应用这些功能的包括烘焙食品
or breakfast and cereal bars.
格兰诺拉燕麦卷，早餐和谷物棒

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