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营养健康与癌症预防(MP3+视频+中英字幕) 第68期:放盐还是不放(3)

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Food labeling may also be confusing
食品标签在试图满足饮食要求方面
when trying to meet several dietary goals.
也可能出现令人不解的字眼
Are fat free foods necessarily healthier
当谈到钠含量的时候
when it comes to sodium content?
脱脂食品就一定会更健康吗?
When comparing Ritz crackers this is not the case.
在谈到乐之饼干的时候就不是这么回事了
Regular Ritz have a sodium content of 135 mg
普通的乐之饼干每份的钠含量为135毫克
per serving while the reduced fat Ritz
但是乐之低脂饼干每份的钠含量
have a content of 160 mg per serving.
却有160毫克
So the reduced fat product has more sodium than
这里的低脂产品的钠含量
the regular product.
要高于普通产品
In contrast the low sodium Ritz product
形成对比的是,乐之低钠产品
only contains 35 mg per serving
每份的钠含量为35毫克
which is much less than either
明显低于普通产品
the regular or reduced fat products.
和低脂产品
Canned soups usually contain a large amount of sodium.
罐装汤产品通常钠含量比较高
A regular can of chicken noodle soup
一罐普通的鸡肉面汤
contains 890 mg per can.
的钠含量为890毫克
This is almost half of the recommended
这已经是膳食指南中
dietary allowance.
推荐钠摄入量的一半了
A low sodium option has considerably less sodium
低钠产品一般钠的含量都很低
however a consumer must keep in mind that
但是消费者应该注意到的是
taste may be different
购买的低钠产品的
when choosing a low sodium option.
口味会不同
The majority of salt used in the US is
美国境内大多数的盐
mined from underground salt reserves.
一般都来自于地下盐田
Obtaining salt from sea water is more expensive
海盐不仅价格昂贵
and labor intensive.
也会耗费更多的人力成本
Sea salt refers to the grains obtained
海盐指的是,海水自然蒸发之后
from the natural evaporation of sea water.
得到的结晶体
It undergoes little or no refining technique
生产海盐的过程中并不需要
which allows it to retain natural traces
太多复杂的技术
of other minerals including iron, magnesium,
这样也使得海盐保留了很多自然矿物质
calcium, potassium and iodine.
比如铁,镁,钙,钾和碘
There are slight differences in flavor and texture
海盐和普通食盐味道和质地方面的区别
between sea salt and table salt
并不明显
but the two contain virtually
这两种盐的钠含量
the same amount of sodium.
几乎相同
Sea salt is sometimes advertised as being healthier
有时,比精制食盐更健康
than more refined salt but in fact
会成为海盐的一个卖点,但是事实上
there's little nutritional differences
这两种盐中的营养物质的
in these products.
区别是非常小的
Finding a substitute for salt in foods is challenging.
找到食盐的替代品是一项具有挑战性的任务
Potassium chloride is sometimes
有时,商业产品中会出现
used in commercial products.
氯化钾
This mimics salt by providing the salty flavor
这种做法意在用氯化钾
and preservation functions
替代食盐来提供咸味和储存食品
however potassium chloride has been known to
但是人们已经知道氯化钾会带有
possess a bitter or metallic aftertaste.
苦涩的金属味道
Excess intake increases health issues for those
过量摄入氯化钾会给肾病,心脏病
with kidney or heart problems and diabetes.
和糖尿病患者带来健康隐患
And it can interfere with blood pressure medications.
同时,它会抵消降压药的药效
A direct one to one swap is barely used
直接的一对一替代品非常少见
and most times the substitute is used
而且,在大多数情况下
only about half as much.
替代品的应用范围也只有食盐的一半
Here is a sample diet with high sodium intake.
这是一个高钠食品的样餐
The majority of the sodium comes from
其中的大部分钠都来自于
the processed hamburger helper meal
加工过的汉堡帮手餐
and the deli meat.
以及熟肉
Both are high in sodium for preservation methods.
出于可以长期储存的目的两者的钠含量都很高
Remember the dietary guideline for sodium is 2300 mg.
记住膳食指南中钠推荐摄入量是2300毫克

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commercial [kə'mə:ʃəl]

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adj. 商业的
n. 商业广告

联想记忆
flavor ['fleivə]

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n. 滋味,香料,风格
vt. 加味于

 
interfere [.intə'fiə]

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vi. 妨碍,冲突,干涉

 
confusing [kən'fju:ziŋ]

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adj. 使人困惑的,令人费解的 动词confuse的现

 
altered ['ɔ:ltəd]

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v. 改变(alter的过去分词) adj. 改变了的;

 
majority [mə'dʒɔriti]

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n. 多数,大多数,多数党,多数派
n.

 
refined [ri'faind]

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adj. 精炼的,优雅的,精细的 v. 精炼,净化,使

 
contrast ['kɔntræst,kən'træst]

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n. 差别,对比,对照物
v. 对比,成对照<

 
slight [slait]

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adj. 轻微的,微小的,纤细的,脆弱的
vt

 
kidney ['kidni]

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n. 肾,腰子,类型

 

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