评论
打印
The educational materials presented here
今天展示的教育材料
were developed by students and faculty
是由爱荷华州立大学营养学
of the department of food science and human nutrition
和人体营养学系的
at Iowa State University.
学生和老师提供的
Funding for this project was provided by grants
该项目的资金由
from the American Cancer Society Mid West
美国中西部地区癌症协会
and the Lance Armstrong Foundation.
及兰斯，阿姆斯斯壮基金会提供
The materials are intended for educational use
这些材料仅用于教学
and are not meant to provide medical advice.
并非用以提供医疗指导
We welcome your feedback about these materials.
欢迎大家对这些材料做出反馈
Please use the evaluation survey link on the homepage
请用主页上提供的调查评价链接
to provide your comments and suggestions.
提交你们的评论和建议
Another food that is getting a lot of press
最近广为报道的另一种食物
recently for its health benefits is the Acai berry.
非常有益于身体健康，那就是巴西莓
The Acai berry is native to the Amazon region
巴西莓生在南美洲亚马逊河流域
in South America and is especially abundant in Brazil.
在巴西产量尤其高
Civilians of this region consume high amounts of it
当地人大量食用巴西莓
and use it in traditional medicine treatments.
而且在传统药物治疗中也会使用它
The Acai berry is similar in size and color to a grape
巴西莓大小颜色和葡萄很像
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.
和里面的种子组成的
Due to its high perishability outside of
巴西莓一旦摘下来，极易腐烂
the native region it can only be purchased
因此在生长地之外的地区
in freeze dried powder or pulp forms.
只能买到巴西莓粉或巴西莓浆
It has received much press lately
巴西莓最近广为报道
for its many health benefits such as cardiovascular
因为它有益于身体健康，有助于增强心血管
and digestive help, increased energy, anti-aging
帮助消化，增加体力，抗衰老
and anti-cancer effects.
还能够抗癌
Acai has been declared a new super food
巴西莓被视为一种新型超级食物
mainly for the benefits of its high
主要是因为
anti-oxidant content.
它能够抗氧化
The chart on the right shows the nutrition facts
右边的表是个营养表
of 10 grams of freeze dried Acai.
标示了10克巴西莓干的营养成分
Like most berries Acai is full of healthy nutrients
像大多数莓类一样，巴西莓富含营养
such as vitamin A, fiber, iron, calcium,
例如维他命A，纤维素，铁元素，钙
antioxidants such as anthocyanins, and proanthocyanins
抗氧化素例如原花青素和类黄酮
and flavanoids. The reason the acai berry is believed
巴西莓之所以被认为
to be exceptionally healthy is due to its high
非常健康，是因为它富含抗氧化的元素
antioxidant content, specifically anthocyanins
特别是花青素
and proanthocyanins which have been shown to
原花青素有显著的
have anti cancer effects. Oxidation is a process
抗癌效果，氧化过程
that causes free radicals to form within the body.
能够在体内形成自由基
In some cases free radicals form
有时候自由基来自
from every day activities such as digestion of food
来自日常活动，例如食物消化
but other environmental and lifestyle factors
但是其他一些环境或生活方式因素
such as smoking, pollution and radiation
例如抽烟，污染，辐射等
can also increase the amount of free radicals
也能增加个体内
in an individual as well.
自由基的数量
If free radicals are not removed
如果不去除自由基
they can cause DNA damage
将会引发DNA损伤
which leads to the increased risk of cancer.
提高患癌症的风险
One report found that the acai pulp
有报告发现巴西莓浆
had the highest reported free radical
与其他被测试的事物相比
scavenging capacity within a controlled environment
巴苺浆在任何可控的环境下
of any other food previously tested.
都有最高的自由基净化功能
It also found that the antioxidants in acai pulp
还发现巴西莓浆内的抗氧化物
can cross cell membranes of human red blood cells
能穿过人体红细胞的细胞膜
and provide protection from oxidative damage.
避免引起氧化性损伤
Although these findings do not prove
尽管这些研究无法证明
a direct connection with cancer prevention,
与防癌的直接联系
they certainly warrant a need
但它们的确表明我们还需要
for further research in the area.
在这个领域做进一步的研究
In a recent study published in
最近有一项研究得以发表
the pharmaceutical research journal in 2010,
发表在2010年的药学研究杂志上
the acai berry was one of 7 berries that were investigated.
巴西莓是7种受测的莓类之一
Different groups of rats were fed varying diets
不同组的老鼠食用了各种食物
based on these 7 berries including black raspberries,
食物原料是各种莓类，包括糙莓
red raspberries, blueberries, strawberries, nuni,
覆盆子，蓝莓，草莓
wolfberry and acai.
西方雪果，和巴西莓等
The purpose of the study was to compare the effect
研究的目的在于比较
of each berry on the presence and size
每种莓类对实验组老鼠食道肿瘤的发病
of esophageal tumors in these rats to each other
及肿瘤大小的影响
and to a control group.
与控制组老鼠之间的差别
