The education materials presented here
本片呈現(xiàn)的教育材料
were developed by students and faculty
是由愛荷華州立大學(xué)食物科學(xué)
of the Department of Food Science
和人類營(yíng)養(yǎng)學(xué)學(xué)院的
and Human Nutrition at Iowa State University.
學(xué)生和教員總結(jié)完成的
Funding for this project was provided by grants
本項(xiàng)目由中西部美國(guó)癌癥協(xié)會(huì)
from the American Cancer Society Midwest
和蘭斯·阿姆斯壯基金會(huì)
and the Lance Armstrong Foundation.
出資贊助
The materials are intended for educational use
本材料用于教育
and are not meant to provide medical advice.
而非提供醫(yī)療指導(dǎo)
We welcome your feedback about these materials.
我們歡迎您對(duì)本材料做出反饋
Please use the evaluation survey link on the homepage
請(qǐng)登錄首頁(yè),點(diǎn)擊評(píng)估調(diào)查鏈接
to provide your comments and suggestions.
提供您的評(píng)論和建議
This presentation will cover information
本課程內(nèi)容包括
about vitamin D and calcium and the role
維生素D和鈣的相關(guān)信息
these nutrients play in cancer prevention.
以及這兩種營(yíng)養(yǎng)物質(zhì)對(duì)癌癥防治的作用
Vitamin D is a fat soluble vitamin.
維生素D是一種脂溶性維生素
This means that it can only be absorbed with fat.
這意味著它只能被脂肪所吸收
Vitamin D is not found in many foods.
很多食物沒有維生素D的成分
In fact it can be difficult to obtain
事實(shí)上從食物中很難攝取到足夠數(shù)量的
required amounts of vitamin D from foods.
滿足人體需求的維生素D
Foods that naturally contain significant
富含維生素D的食物
amounts of vitamin D are fatty fish and eggs.
有多脂魚和蛋類
To increase intake of vitamin D
為了增加維生素D的攝取
foods have been fortified.
食物中的維生素D量已經(jīng)得到強(qiáng)化
Milk is the most commonly consumed product
牛奶是人們最常購(gòu)買的
that is fortified with vitamin D.
強(qiáng)化維生素D的食品
Juices, breakfast cereals, breads and yogurt
蔬果汁,早餐谷物食品,面包和酸奶
are also fortified with vitamin D.
也都是維生素D強(qiáng)化食品
Dietary supplements are also consumed
很多個(gè)人購(gòu)買膳食補(bǔ)充劑
by many individuals to meet
來滿足日常所需
the daily requirements of vitamin D.
的維生素D
There are many forms of supplements
還有很多補(bǔ)充維生素D的方法
and I will discuss these later.
稍后我會(huì)講到
Cholecalciferol is a form of vitamin D
維生素D3是維生素D的一種形式
made naturally by the body
是皮膚裸露在太陽(yáng)光下時(shí)
when the skin is exposed to sunlight,
人體自然形成的一種物質(zhì)
however most people do not get
然而,大多數(shù)人
enough sunlight to satisfy their daily
并沒有獲得足夠的陽(yáng)光
recommended intake through sunlight
來滿足每日推薦攝入量
especially in the winter.
尤其是在冬天
Recommended daily intakes are given
每日推薦攝入量的多少
in international units which is abbreviated IU.
通過國(guó)際單位來表示
One IU is equal to 40 micrograms.
縮寫為IU,一個(gè)IU等同于40毫克
The recommendations are 200 IU
從出生到50歲
from birth to 50 years of age,
推薦攝入量為200IU
400 IUs from 51 to 70 years of age
從51歲到70歲為400IU
and 600 IUs for 71 plus years of age.
71歲以后為600IU
These recommendations meet the minimum
推薦攝入量滿足了最小需求
requirements mostly based on bone health.
以保持骨骼健康為基礎(chǔ)
Currently there's debate within the medical community
當(dāng)前,醫(yī)學(xué)界
about the daily recommended intake for vitamin D.
對(duì)維生素D的日常推薦攝入量存在爭(zhēng)議
The debate is about whether or not
爭(zhēng)議圍繞的問題是
the current amounts are adequate for all of
當(dāng)前的的日常推薦攝入量
the functions vitamin D plays in the body.
是否能夠滿足人體的所有功能的需求
Current research suggests consuming amounts
目前的研究表明
closer to 1000 IU may be needed to obtain
人體需要吸收將近1000IU的維生素D
all the potential benefits of vitamin D.
才能得到維生素D的所有潛在益處
Some examples of vitamin D content
下面列舉一些含有
in foods are shown here.
維生素D成分的食物
Fish including salmon and tuna are excellent sources.
鮭魚和金槍魚是很好的維生素D來源
Egg also contains vitamin D.
雞蛋也含有維生素D
The highest concentration is in the yolk.
酸奶中的維生素D最為豐富
Other good food sources include 3 oz of beef liver
另外 3盎司的牛肝含有42IU的維生素D
which contains 42 IU and 3 oz of pork spare ribs
3盎司的豬排骨包含88IU
which contain 88 IU. Some foods that are fortified
下面是一些
with vitamin D are shown here.
維生素D強(qiáng)化食物
An 8 oz glass of milk will contain 115 IU
8盎司牛奶包含115IU
and 8 oz of fortified orange juice
8盎司強(qiáng)化橙汁
contains 100 IU of vitamin D.
含有100IU維生素D
Cheerios are a good source as are other
如同其他強(qiáng)化的早餐谷物食品一樣
fortified breakfast cereals.
麥片也是一種很好的維生素D來源
Yogurt is another diary product that
酸奶是另一種
also provides vitamin D.
提供維生素D的奶制品