Method for processing green coffee beans

A method for processing green coffee beans, the method comprising:

• (1) loading unroasted green coffee beans on a mesh plate, placing in a container the mesh plate having the green coffee beans loaded thereon, introducing mineral water into a bottom of the container so as to be spaced apart from a lower surface of the mesh plate, placing tourmaline on the bottom of the container, and then closing a lid of the container to seal the container;
• (2) placing the sealed container in a heating cabinet, and then steaming the green coffee beans for 11 days while maintaining an internal temperature of the heating cabinet at 75° C.;
• and
• (3) opening the lid of the container, and then drying the steamed green coffee beans for 5 days while maintaining the internal temperature of the heating cabinet at 40° C.;
• wherein step (1) further comprises preparing a second mesh plate, mixing an apios leaf and an apios flower with each other at a weight ratio of 3:1, respectively to obtain a mixture, loading the mixture on the second mesh plate, and then disposing the second mesh plate under the mesh plate having the green coffee beans loaded thereon so as to be spaced apart from the mineral water on the bottom of the container.