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High fructose corn syrup, what is
關于高果糖玉米糖漿
the truth? This presentation will
真相是什么
seek to explain the information that
本課程將會說明
consumers should know about high fructose corn syrup
消費者應該了解的關于高果糖玉米糖漿的信息
which will be referred to during this presentation
下面高果糖玉米糖漿將簡稱為HFCS
as HFCS. By the end of the presentation you will
在本課程之后
have learned what high fructose corn syrup is,
你會了解什么是HFCS
why food manufacturers use it in food products,
為什么食品生產商將它加入食品產品
which food products contain HFCS and how HFCS
哪些食物產品包含HFCS
is processed in you body, common misconceptions
HFCS是怎樣在我們體內運作的
about this product and finally
對于HFCS的誤區
the bottom line about this ingredient.
最后介紹這一成分的本質
High fructose corn syrup is a sweetener
HFCS是一種從玉米提取的甜料
that is made from corn and used for many different
在食物產品中
functions in food products. Just as table sugar is
應用于多種功能，就像蔗糖
made from sugar cane or beets, high fructose corn syrup
是從甘蔗或甜菜中提取的一樣
is made from corn. High fructose corn syrup
HFCS是從玉米中提取的
is nearly identical in composition to table sugar
HFCS和蔗糖的成分幾乎是一樣的
which is approximately 50% fructose and 50% glucose.
蔗糖包含大約50%的果糖和50%的葡萄糖
There are two different formulas used for
HFCS有兩種不同的成分構成
high fructose corn syrup, either 55% fructose
一種是含有55%果糖和45%葡萄糖
and 45% glucose or 42% fructose and 58% glucose.
另一種是含有42%果糖和58%葡萄糖
The function of the high fructose corn syrup determines
HFSC的用途決定食品生產商
which formula a food manufacturer would use.
會運用哪一種成分構成
To understand more about high fructose corn syrup，
為了更加了解HFSC
let's take a look at the two components that make up
我們介紹一下它的兩種成分
high fructose corn syrup; fructose and glucose.
果糖和葡萄糖
Glucose and fructose are both a monosaccharide
果糖和葡萄糖都是單糖
which is the simplest form of sugar. You can think of
是糖的最簡化形式，你可以把它們想象成
these as the smallest building blocks for
碳水化合物大廈的一磚一瓦
carbohydrates. Glucose is found in nearly all foods
葡萄糖幾乎存在于所有
that contain carbohydrates and fructose
包含碳水化合物的食物中
is commonly found in fruits and honey.
果糖則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
關于HFCS的一個常見問題是
is why would food manufacturers use this product?
為什么食品生產商會應用這一物質
High fructose corn syrup serves many functions
食物中的HFCS會有很多功能
in food and many of which do not necessarily
并不僅僅是增加
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.
它可以用來作為甜味和辣味的增味劑
For this function manufacturers will use this
有了這個功能
in products like baked goods, fruit fillings,
食品生產商把它用于烘焙食物，水果餡
tomato products, canned fruit and beverages.
番茄產品，灌裝水果和飲料
High fructose corn syrup also can provide
HFCS還能為食物產品提供
fermentable sugars in food products such as
可發酵性糖
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
該成分的其它功能有促進水分控制，減緩變質
or increase shelf-life, enhance texture and extend
延長貯藏期限，改善質地
freshness for such foods as baked goods, granola
提高新鮮度等，應用這些功能的包括烘焙食品
or breakfast and cereal bars.
格蘭諾拉燕麥卷，早餐和谷物棒
