Coffee beans from which silverskin at center cut position thereof is separated and removed and method for manufacturing same

A method for preparing coffee beans with silverskin separated and removed, comprising:

• a washing step of putting green coffee beans into a storage container filled with water, washing the green coffee beans, and taking the green coffee beans out;
• a step of primarily separating and removing the silverskin of the green coffee beans by a physical or chemical method after the washing step;
• a step of secondarily separating and removing the silverskin located in the center cut of the green coffee beans by heat-treating the green coffee beans with steam after the primarily silverskin separating and removing step;
• a drying step of drying the green coffee beans that have undergone the heat treatment step;
• a step of roasting the green coffee beans that have undergone the drying step;
• and
• a step of tertiarily separating and removing the silverskin located in the center cut of the coffee beans by grinding the roasted beans.