The extract is compressed from step and the fresh brown substance which obtain the fresh brown substance which is rich in the stalk, the method of including with the step which produces the stalk residue and the brown extract which includes the blend of brown chemical compound with that is disclosed.茎に富む新鮮な茶物質を得るステップと、新鮮な茶物質から抽出液を圧搾し、それにより茎残渣および茶化合物の混合物を含む茶抽出液を製造するステップとを含む方法が開示されている。