The educational materials
教育材料
presented here were developed by students
是由愛荷華州立大學食品科學和人類營養系的
and faculty of the department of food science
全體教員和學生開發出來
and human nutrition at Iowa State University.
并呈現在這里的
Funding for this project was provided by grants
這個項目的資金
from the American Cancer Society Midwest
是由美國中西部癌癥協會和
and the Lance Armstrong Foundation.
蘭斯阿姆斯特朗基金會撥款的
The materials are intended for educational use
這些材料是供教育使用的
and are not meant to provide medical advice.
并不提供醫療建議
We welcome your feedback about these materials;
我們也歡迎你們對這些材料提供反饋;
please use te evaluation survey link on the
請使用我們主頁上的評估調查連接
home page to provide your comments and suggestions.
提供你們的評論和建議
High fructose corn syrup, what is the truth?
什么是高果糖玉米糖漿
This presentation will seek to explain the information
這次的展示將會向
that consumers should know about high fructose corn
消費者解釋他們應該知道的關于
syrup which will be referred to during this
高果糖玉米糖漿的作用,在介紹中我們
presentation as HFCS. By the end of this presentation
把它稱作HFCS 報告結束后
you will have learned what high fructose corn syrup is,
你將會學到什么是高果糖玉米糖漿
why food manufacturers use it in food products,
為什么食品生產商會在生產食物時使用它
which food products contain high fructose corn syrup
哪些食品包含高果糖玉米糖漿
and how it is processed in your body,
以及它在人體內如何被處理
common misconceptions about this product and finally
關于該產品常見的誤解
the bottom line about this ingredient.
最后是關于構成成分的概要
High fructose corn syrup is a sweetener which is made
高果糖玉米糖漿是一種甜味劑
from corn and used in many different functions in
它是由玉米做成的,在食品生產中被用作
food products. Just as table sugar is made from sugar
諸多用途,蔗糖是由甘蔗所做成的
cane or beets, high fructose corn syrup is made from
同樣的道理,高果糖玉米糖漿是由玉米做成的
corn. It is nearly identical in composition to table
它和蔗糖的組成幾乎一樣,都含有
sugar which is approximately 50% fructose and 50%
大約一半果糖一半葡萄糖
glucose. There are 2 different formulas used for high
高果糖玉米糖漿有兩種不同的配方,一種是
fructose corn syrup; either 55% fructose and 45%
百分之五十五的果糖加百分之四十五的葡萄糖
glucose or 42% fructose and 58% glucose. The function
另一種是百分之四十二的果糖加百分之
of the high fructose corn syrup determines
五十八的葡萄糖,食品制造商根據
which formula a food manufacturer would use.
高果糖玉米糖漿的功能來決定使用哪種配方
To understand more about high fructose corn syrup
要想對高果糖玉米糖漿有更多的了解
let’s look at the 2 components that high fructose
我們就來看一下它的兩種組成成分
corn syrup contains – fructose and glucose.
果糖和葡萄糖
Glucose and fructose are both a monosaccharide
果糖和葡萄糖都屬于單糖
which is the simplest form of sugar. You can think of
單糖是糖類最簡單的形式,你可以
these as the smallest building blocks for
把它們想成糖類最小的單位
carbohydrates. Glucose is found in almost all foods
就像一幢樓中的磚塊一樣,只要含有糖類
that contain carbohydrates and fructose is commonly
和葡萄糖的食物,幾乎都含有果糖
found in fruit and honey. Like table sugar and other
果糖通常存在于水果和蜂蜜中
carbohydrates high fructose corn syrup has 4 calories
高果糖玉米糖漿每克含有4卡路里的熱量
of energy per gram. A common question about high
這和蔗糖以及其他糖類一樣,人們對于
fructose corn syrup is why would manufacturers use
高果糖玉米糖漿比較常見的一個疑問就是
this product. High fructose corn syrup serves many
制造商為什么要使用該產品,高果糖玉米糖漿
functions in food and many of which do not necessarily
在食品中起著很多作用,雖然許多食品
make the product taste sweeter. High fructose corn
沒有必要嘗起來更甜,高果糖玉米糖漿
syrup can be used as a flavor enhancer for both sweet
可以作為調味劑給食品增加甜味和香氣
and spice flavors. For this function manufacturers will
鑒于它的這一功能,食品制造商把它用在
use it in products like baked goods, fruit fillings,
烘烤食品糕點,水果餡
tomato products, canned fruit and beverages. It can
西紅柿產品,水果罐頭盒飲料當中
also provide fermentable sugars in food products such
在某些食品生產中,例如烘烤食品和酸奶
as baked goods and yoghurt.Other functions that high
高果糖玉米糖漿也可以提供可發酵糖
fructose corn syrup serves are to enhance moisture
高果糖玉米糖漿的其他功能有加強溫度控制
control, retard spoilage or increase shelf life,
延緩食品腐敗或者增加食品保質期
enhance texture and extend freshness for food such as
提高食品質地,延長食品鮮度,這類食品有
baked goods, granola or breakfast and cereal bars.
烘烤食品,即食麥片,早餐以及谷類條狀食品
In addition to its functions to enhance flavor or
除了提高風味
provide fermentable sugars and extend shelf life high
提供可發酵糖以及延長保存期限的功能外
fructose corn syrup can also be used to protect
高果糖玉米糖漿也可以在水果罐頭中用來
the firm texture of fruit in canned fruit products.
保持水果堅固的質地
High fructose corn syrup reduces freezer burn in
高果糖玉米糖漿可以減少冷凍水果食品中的
frozen fruit products due to having a lower freezing
冷凍效應,因為它的凝固點比蔗糖要低
point than sucrose which serves a nice purpose in
這使得它在冷凍濃縮飲料中起到了很好的作用
providing frozen beverage concentrates that are
可以直接從冰箱里灌入
pourable straight from the freezer. Finally high
最后,高果糖玉米糖漿
fructose corn syrup also provides greater stability
在酸性含二氧化碳的蘇打水中
than sucrose when used in acidic carbonated sodas.
比蔗糖表現出更強的穩定性
Now that you’ve learned the functions of high fructose
既然你已經學了高果糖玉米糖漿的作用
corn syrup here’s a list of all the food products that
以下是所有通常含此成分的食品單
commonly contain this ingredient. Baked goods, yoghurt,
烘焙食品,酸奶
spaghetti sauce, ketchup and condiments,
意大利面調料醬汁,番茄醬和調料
salad dressings, beverages, granola, breakfast and
沙拉醬,飲料,燕麥卷
cereal bars, canned and frozen fruit products and
谷制早餐食品,罐裝和冰凍水果食品
frozen beverage concentrates. High fructose corn syrup
還有冰凍濃縮飲料。高果糖玉米糖漿
is processed in your body just the same as table sugar.
同蔗糖一樣存在于你的體內