The salt content is different. General Chef in the cooking process, in order to good control of the flavor, in addition to the main ingredients, are the last to add salt, desserts are even lower salt content, so the restaurant needs a large number of unsalted butter, and salted butter most of the time is directly smeared with bread to eat, qualified vegetable butter of course, can also be used, just the taste and aroma of a few poor, but the price is much cheaper. It depends on whether the business is honest or not. Low-salt butter is salty and unsalted butter is not salted, no salty flavor, available in different flavors of desserts.

It is also mainly reflected in their salt content. Low-salt butter contains about 1.5% salt, compared to unsalted butter cream content is a little less, and unsalted butter is the butter does not contain salt, it is basically the same water and low-salt butter. There is also a vegetable butter, whose main component is hydrogenated vegetable oil, and some animal fats or flavors. Margarine functions similarly to butter and can be used as a substitute for butter. For home baking, however, animal butter is recommended.

In terms of flavor, there are also plain, semi-salted and salted butter. The history of butter goes back 5,000 to 6,000 years to the ancient times, and can be found in some ancient Indian books and the writings of ancient Greek writers. However, during that time, people did not use butter as a food unsalted butter: it maintains the original flavor of light butter and is more suitable for cooking and baking. If you want to control the salt intake in your diet or have a light taste, you may also want to use unsalted butter directly on your bread.

Butter is made up of tiny droplets dispersed in milk fat, and most of these tiny droplets are formed from water and milk proteins. While the most common butter ingredient is cow's milk, certain butter is made from the milk of other mammals, including sheep, goat, buffalo and yak, so it's easier to control the salt content of baked goods. Most recipes contain butter, especially baked goods and desserts, which use unsalted butter as an ingredient. So, if salted butter is not specifically indicated in baking, then it basically means unsalted butter.