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  3. Some People Do Not Taste Salt like Others Low-salt foods may be harder fo...

Some People Do Not Taste Salt like Others Low-salt foods may be harder fo...

admin2020-12-24  11
问题 Some People Do Not Taste Salt like Others  
Low-salt foods may be harder for some people to like than others, according to a study by a Penn State College of Agricultural Sciences food scientist. The research indicates that genetic factors influence some of the difference in the levels of salt we like to eat.
Those conclusions are important because recent, well-publicized （大力宣传的） efforts to reduce the salt content in food have left many people struggling to accept food that simply does not taste as good to them as it does to others, pointed out John Hayes, lead
investigator on the study.
Diets high in salt can increase the risk of high blood pressure and stroke. That is why public health experts and food companies are working together on ways to help consumers lower salt intake through foods that are enjoyable to eat. This study increases understanding of salt preference and consumption.
The research involved 87 carefully screened participants who sampled salty foods such as soup and chips, on multiple occasions, spread out over weeks. Test subjects were 45 men and 42 women, reportedly healthy, ranging in age from 20 to 40. They rated the
intensity of taste on a commonly used scientific scale, ranging from barely detectable to strongest sensation of any kind.
“ Most of us like the taste of salt. However, some individuals eat more salt, both because they like the taste of saltiness more, and because it is needed to block other unpleasant tastes in food,” said Hayes. “ Supertasters， people who experience tastes more intensely, consume more salt than nontasters. Snack foods have saltiness as their primary flavor, and at least for these foods, more is better, so the supertasters seem to like them more. ’
However, supertasters also need higher levels of salt to block unpleasant bitter tastes in foods such as cheese, Hayes noted. “ For example, cheese is a wonderful blend of dairy flavors from fermented （发酵的） milk, but also bitter tastes from ripening that are blocked by salt/' he said. A supertaster finds low-salt cheese unpleasant because the bitterness is too pronounced. ”
Hayes cited research done more than 75 years ago by a chemist named Fox and a geneticist named Blakeslee, showing that individuals differ in their ability to taste certain chemicals. As a result, Hayes explained, we know that a wide range in taste acuity （敏锐）exists, and this variation is as normal as variations in eye and hair color.

John Hayes pointed out that
选项 A food with less salt tastes better.
B many people never eat low-salt food.
C many people make efforts to accept low-salt food.
D it is good to health to eat food without salt.
答案C
解析文章第2段提到John Hayes指出“尽管对于许多人来说，并不像别人那样喜欢吃低盐食品，但近来大力的宣传使得很多人努力接受了低盐饮食'选择C符合题意。
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