|2002年12月05日12:42:46 空中美语 |
A Matter of Taste Dec. 13
You’ve probably noticed that MSG appears regularly among the ingredients of your favorite foods. But what is it? MSG (or monosodium glutamate) is a chemical commonly used to add flavor to salty or sour tasting foods. The average person knows almost nothing about it, but today MSG is found in everything from potato chips to soup.
The main component of MSG—glutamate—was identified by Professor Kikunae Ikeda in 1908. But Eastern cooks have been using glutamate-rich seaweed as flavoring for more than 1000 years. Large amounts of glutamate are also found in mushrooms, cheese and tomatoes—which is why they’re particularly useful for adding flavor to other foods.
MSG itself, however, isn’t natural. It’s made by fermenting corn, sugar beets or sugarcane to produce a white crystal that can be easily mixed with most foods. It has no nutritional value and no flavor of its own. Instead, it simulates flavor by exciting the brain of the person that is eating it.
1. regularly adv. often 经常地；定期地
The number four bus runs regularly down this street.
2. ingredient n. sth. used to make sth. else 原料；成分
To make a chocolate cake, you need these ingredients: flour, water, eggs, sugar, and chocolate.
3. component n. a part of sth. bigger 成分；零件
I decided not to buy the car because its electrical components were not working properly.
4. identify v. to know and name 确认；鉴别出
Newton identified gravity as the force which prevents things on the earth’s surface from getting pulled into space.
5. crystal n. a mineral or chemical compound that is symmetrically or evenly shaped 结晶，晶体
Eva wiped up the sugar crystals she had spilt on the table.
6. nutritional adj. having the vitamins, minerals, proteins, etc. that one’s body needs to be healthy 营养的
Apples are a more nutritional snack than popcorn.
More Information 仅供参考，不须强记
1. monosodium glutamate n. 谷氨酸钠；味精
2. ferment v. 使发酵
3. sugar beet n. 甜菜
4. simulate v. 模拟