视频文本
Oxidation is a process that causes free radicals
氧化是一种体内
to form within the body, in some cases
形成自由基的过程 有些情况下
free radicals form from everyday activities
自由基在每日(体内的)活动中形成
such as digestion of food.
比如食物消化
But other environmental and lifestyle factors
但其他环境和生活方式方面的因素
such as smoking, pollution and radiation
如吸烟 污染 和辐射
can increase the amount of free radicals
也会增加个人体内
in an individual as well.
自由基的数量
If free radicals are not removed they can cause
如果自由基不能被清除 它们会造成
DNA damage and lead to an increased risk of cancer.
DNA损伤 增加患癌症的几率
One report found that the acai pulp had the highest
一篇报道称在目前所有
reported free radical scavenging capacity within
被测试过的食物中 同等环境下的
a controlled environment of any other
巴西莓果肉表现出了最高的
food previously tested.
清除自由基的能力
It also found that the antioxidants in acai pulp
人们还发现巴西莓肉中的抗氧化剂
can cross cell membranes of human red blood cells
可以穿透人体血红细胞的细胞膜
and provide protection from oxidative damage.
保护细胞免受氧化的伤害
Although these findings do not prove a direct connection
尽管这些发现没有证明其
with cancer prevention they certainly warrant a need
与癌症预防的直接联系
for further researchin the area.
但充分预示了这一领域需要更深入的研究
In a research study published in the Pharmaceutical
在一篇2010年发表的
Research Journal earlier in 2010 the acai berry
医药研究期刊中 巴西莓
was one of 7 berries that were investigated.
是7种被研究的浆果之一
Different groups of rats were fed varying
人们给不同组的老鼠喂
diets based on these 7 berries including
这7种浆果 包括
black raspberries, red raspberries, blue berries,
黑色覆盆子 红莓 蓝莓
strawberries, noni, wolfberry and acai.
草莓 诺丽 枸杞和巴西莓
The purpose of the study was to compare the effect
这项研究的目的是对每种浆果
of each berry on the presence and size of esophageal
对这些老鼠食道肿瘤的存在和大小的影响
tumors in these rats to each other
进行相互比较
and to a control group.
并和一个对照组进行对比
The study found that all 7 berry types successfully
这个研究发现与对照组相比
reduced the number of esophageal tumors
所有7种浆果都能
as compared to the control group.
成功地减少食道肿瘤
But there was no significant difference
但在服用不同浆果的
between the amount of tumor reductions
老鼠之间在肿瘤减少量上
seen in the varying berry groups.
没有显著的差别
The chart on this slide compares
这张PPT上的表格把每种浆果
each berry type to the control diet.
和对照组进行了比较
As you can see the tumor incidences were
正如你看到的 肿瘤发生率
all reduced by at least 20%$ and up to 35%.
至少20% 最多的有35%
Multiplicity of the tumors was also significantly
7种浆果也显著减少了
reduced for every berry type from 2.15
肿瘤的种类 在表格中可以看到
in the control diet.
所有的值都低于对照组的2.15
All the berries were found to have similar
而且人们发现所有浆果都有相似的
antioxidant capacities as well.
抗氧化能力
It was determined that anthocyanins and
研究表明
proanthocyanidins in the acai berry were
巴西莓的化学抗性
the main components responsible for
主要归功于
the chemo-preventative activity
其含有的花青素
within the acai berries seen in the study.
和原花青素
Since much more research is needed on the subject
由于在巴西莓和癌症预防这个主题上
of acai and cancer prevention there is
需要更多的研究 因此目前
no single recommendation.
还没有一个指导性建议
The following are some suggestions concerning the topic.
以下是有关这一话题的一些建议

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