Instant or soluble coffee goes through a dehydration process. For which the coffee is first made and then all the water is removed so that you can add it at home.
In this process, in addition to the fact that a series of chemicals are used for its preparation, such as corn solids, hydrolyzed vegetable oil, cellulose, artificial caffeine, among others. many of its properties are lost, while ground coffee, when filtered, is nothing more than coffee beans that have been crushed so that a coffee maker transforms them into coffee.