The educational materials presented here
今天展示的教育材料
were developed by students and faculty
是由愛荷華州立大學營養學
of the department of food science and human nutrition
和人體營養學系的
at Iowa State University.
學生和老師提供的
Funding for this project was provided by grants
該項目的資金由
from the American Cancer Society Mid West
美國中西部地區癌癥協會
and the Lance Armstrong Foundation.
及蘭斯,阿姆斯斯壯基金會提供
The materials are intended for educational use
這些材料僅用于教學
and are not meant to provide medical advice.
并非用以提供醫療指導
We welcome your feedback about these materials.
歡迎大家對這些材料做出反饋
Please use the evaluation survey link on the homepage
請用主頁上提供的調查評價鏈接
to provide your comments and suggestions.
提交你們的評論和建議
Another food that is getting a lot of press
最近廣為報道的另一種食物
recently for its health benefits is the Acai berry.
非常有益于身體健康,那就是巴西莓
The Acai berry is native to the Amazon region
巴西莓生在南美洲亞馬遜河流域
in South America and is especially abundant in Brazil.
在巴西產量尤其高
Civilians of this region consume high amounts of it
當地人大量食用巴西莓
and use it in traditional medicine treatments.
而且在傳統藥物治療中也會使用它
The Acai berry is similar in size and color to a grape
巴西莓大小顏色和葡萄很像
but much of its mass is made up the outer skin
但它的大部分果肉是有外皮
and the seed inside.
和里面的種子組成的
Due to its high perishability outside of
巴西莓一旦摘下來,極易腐爛
the native region it can only be purchased
因此在生長地之外的地區
in freeze dried powder or pulp forms.
只能買到巴西莓粉或巴西莓漿
It has received much press lately
巴西莓最近廣為報道
for its many health benefits such as cardiovascular
因為它有益于身體健康,有助于增強心血管
and digestive help, increased energy, anti-aging
幫助消化,增加體力,抗衰老
and anti-cancer effects.
還能夠抗癌
Acai has been declared a new super food
巴西莓被視為一種新型超級食物
mainly for the benefits of its high
主要是因為
anti-oxidant content.
它能夠抗氧化
The chart on the right shows the nutrition facts
右邊的表是個營養表
of 10 grams of freeze dried Acai.
標示了10克巴西莓干的營養成分
Like most berries Acai is full of healthy nutrients
像大多數莓類一樣,巴西莓富含營養
such as vitamin A, fiber, iron, calcium,
例如維他命A,纖維素,鐵元素,鈣
antioxidants such as anthocyanins, and proanthocyanins
抗氧化素例如原花青素和類黃酮
and flavanoids. The reason the acai berry is believed
巴西莓之所以被認為
to be exceptionally healthy is due to its high
非常健康,是因為它富含抗氧化的元素
antioxidant content, specifically anthocyanins
特別是花青素
and proanthocyanins which have been shown to
原花青素有顯著的
have anti cancer effects. Oxidation is a process
抗癌效果,氧化過程
that causes free radicals to form within the body.
能夠在體內形成自由基
In some cases free radicals form
有時候自由基來自
from every day activities such as digestion of food
來自日常活動,例如食物消化
but other environmental and lifestyle factors
但是其他一些環境或生活方式因素
such as smoking, pollution and radiation
例如抽煙,污染,輻射等
can also increase the amount of free radicals
也能增加個體內
in an individual as well.
自由基的數量
If free radicals are not removed
如果不去除自由基
they can cause DNA damage
將會引發DNA損傷
which leads to the increased risk of cancer.
提高患癌癥的風險
One report found that the acai pulp
有報告發現巴西莓漿
had the highest reported free radical
與其他被測試的事物相比
scavenging capacity within a controlled environment
巴苺漿在任何可控的環境下
of any other food previously tested.
都有最高的自由基凈化功能
It also found that the antioxidants in acai pulp
還發現巴西莓漿內的抗氧化物
can cross cell membranes of human red blood cells
能穿過人體紅細胞的細胞膜
and provide protection from oxidative damage.
避免引起氧化性損傷
Although these findings do not prove
盡管這些研究無法證明
a direct connection with cancer prevention,
與防癌的直接聯系
they certainly warrant a need
但它們的確表明我們還需要
for further research in the area.
在這個領域做進一步的研究
In a recent study published in
最近有一項研究得以發表
the pharmaceutical research journal in 2010,
發表在2010年的藥學研究雜志上
the acai berry was one of 7 berries that were investigated.
巴西莓是7種受測的莓類之一
Different groups of rats were fed varying diets
不同組的老鼠食用了各種食物
based on these 7 berries including black raspberries,
食物原料是各種莓類,包括糙莓
red raspberries, blueberries, strawberries, nuni,
覆盆子,藍莓,草莓
wolfberry and acai.
西方雪果,和巴西莓等
The purpose of the study was to compare the effect
研究的目的在于比較
of each berry on the presence and size
每種莓類對實驗組老鼠食道腫瘤的發病
of esophageal tumors in these rats to each other
及腫瘤大小的影響
and to a control group.
與控制組老鼠之間的差別