视频文本
The educated materials presented here
这里展示的教学材料
were developed by students and faculty of
由爱荷华州立大学
the Department of Food Science and Human Nutrition
食品科学及人类营养学系的
at Iowa State University.
学生和老师完成
Funding for this project was provided
此项目由美国癌症协会-中西部
by grants from the American Cancer Society-
和兰斯阿姆斯特朗基金会
Midwest and the Lance Armstrong Foundation.
赞助支持
The materials are intended for educational use and
此材料仅作教学使用
are not meant to provide medical advice.
并非提供医疗建议
We welcome your feedback about these materials.
我们希望课后能收到你们的反馈
Please use the evaluation survey link on the homepage
请通过主页上的评估调查链接
to provide your comments and suggestions.
给我们提供评价和建议
The topic this presentation will discuss is new trends
这次报告的话题将围绕癌症预防的新趋势
in cancer prevention. In particular it will focus on
展开 这次我们会特别集中讨论
the effects of soy and acai berry on cancer risk.
大豆和巴西莓对于癌症患病几率的影响
To get started think about this question:
首先想想这个问题
do you think consuming soy products will increase
你认为食用豆制品会增加
or decrease an individual's risk of cancer?
或降低一个人患癌症的几率吗
Soy is considered to be both a bean and a legume
大豆被认为既是豆又是荚
and can be eaten in many different forms.
有很多种不同的吃法
Whole soy beans can be toasted or cooked
全大豆可以烤着吃
like any other bean.
也可以用和其他豆类一样的做法吃
One common preparation technique used in Asian
在亚洲国家一种常见的烹饪技巧
countries is to boil them in salt water.
是在盐水中煮它们
This is referred to as edamame.
这种做法叫做盐煮毛豆
Soy can also be ground into flour and substituted
大豆还可以磨成粉
in recipes for all purpose flour.
在食谱中代替通用面粉
Many processed products also contain soy such as
很多加工食品也含有大豆
soymilk, cheeses, yogurts, and soybean oil.
如豆浆 奶酪 酸奶 和大豆油
Other soy products include tofu which is made from
其他豆制品包括豆浆做成的豆腐
soymilk, miso which is a paste made from soybeans
大豆做成的糊状的味噌
and tempeh which is made from whole soybeans.
还有全大豆做成的印尼豆豉
The nutritional content of soy products varies greatly
豆制品的营养成分会由于多种因素
depending on many factors.
而有很大差别
For example, much of the soy in US products is processed
比如 美国食品里的大豆大多都加工过
thus its nutritional composition changes from that of
因而它的营养组成
unprocessed soybeans.
与未加工的大豆不同
Overall soy is a good source of protein with about 40%
全大豆是很好的蛋白质来源
of its total calories coming from protein.
它所有卡路里中的40%都来自蛋白质
It is also a great substitute for meat in vegetarian
它也是素食中很好的肉的替代品
diets because it contains all the essential amino
由于它含有人体所需却又无法
acids that the body needs yet cannot produce
自行合成的所有必需氨基酸
which defines soy as a complete protein.
因此大豆也被誉为完全蛋白质
Soy products are also typically high in fiber,
豆制品还有很高含量的纤维
B vitamins, calcium, iron and the good fats,
维生素B 钙 铁 以及优质脂肪
omega 3 and omega 6 fatty acids.
n-3和n-6脂肪酸
It is also low in saturated fat.
豆制品的饱和脂肪含量很低
It is important to note however that nutritional
但要注意的重要一点是
composition of soy depends on what other ingredients
大豆的营养组成取决于最终产品
are included in the final food product.
含有什么其他成分
There are a couple of key reasons that soy is being
多种原因造成了近年来
researched so heavily in recent years.
急剧升温的大豆研究热

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