因为鱼具有一种重要的脂肪酸：dha。
Because fish has an important kind of fatty acid called DHA.
Omega-3脂肪酸也引起更多的关注。
鱼类是Omega - 3脂肪酸的主要来源。
反式脂肪酸低于总热量的1%。
一些餐厅开始用不含反式脂肪酸的煎炸油。
Some restaurants are beginning to use trans fat free frying oil.
所以有钱的聪明孕妇们吃很多的富含多元不饱和脂肪酸的食物。
Smart mothers-to-be in the rich world take plenty of these fatty acids.
所以不知道反式脂肪酸的含量。
菜籽油含有比除橄榄油之外的其他油脂多的单不饱和脂肪酸。
Canola oil contains more monounsaturated fat than any other oil except olive.
这两类都被称为必需脂肪酸，它们必需由我们所吃的食物中提供。
These are both considered essential and must be supplied by the foods we eat.
你应该真正担心的脂肪类型是反式脂肪酸。
The kind of fat you should really be afraid of is trans-fatty acids.
这年头人人喊着要减肥，那你知不知道所谓的饱和脂肪酸就有15种？
它虽然是不饱和脂肪酸的物质，它也是一个胖乳化剂。
Although it is a fatty substance, it is also a fat emulsifier.
另外一种要注意的必需营养素是欧米茄- 3 (omega - 3)脂肪酸。
The other essential nutrient to pay attention to is omega-3fatty acids.
这些必须脂肪酸对于健康细胞的生长及代谢有很重要的作用。
These essential fats support healthy cellular growth and metabolism.
在人类的肝脏中，脂肪酸结合蛋白4是一种病变的征兆。
脂肪酸代谢是肝脏的重要功能。
这种脂肪酸已经显示了其可以降低心脏病几率的功效。
This fat has been shown to reduce the chance of heart disease.
避免反式脂肪酸的最好办法，就是远离加工食品。
The best way to avoid trans fat is to keep away from processed food.
这个月，纽约州成为了全美第一个禁止使用反义脂肪酸的州。
This month, New York became the first U. s. city to ban trans fats.
但是芝士饱和脂肪酸含量极高，多吃倒是有可能提高你的胆固醇水平噢！
Cheese is however, high in saturated fat and that may affect your cholesterol levels!
脂肪由脂肪酸头部和碳水化合物的尾巴。
A fat consists of a fatty acid head and a carbohydrate tail.
脂肪酸已证明有很大的影响，人类的大脑。
Fatty acids have proven to have a great effect on human brain.
关键是儿童摄入不饱和脂肪酸的数量。
The key is in the amount of unsaturated fat that a child consumes.
红色的肉里面的大部分脂肪酸是饱和的。
这样的油还可包括部分游离脂肪酸和甘油。
This kind of oil may also include some of free fatty acid and glycerin.
它可能是有益的奥米伽- 3脂肪酸提供一些保护。
It is full of healthy omega-3 fatty acids that protect your heart, right?
它可能是有益的奥米伽- 3脂肪酸提供一些保护。
It is full of healthy omega-3 fatty acids that protect your heart, right?
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