公开(公告)号：US20210393723A1

公开(公告)日：2021-12-23

申请号：US17354380

申请日：2021-06-22

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyungsu KANG ,  Jae Young KWON ,  Hak Cheol KWON ,  Jin Chul KIM ,  Jin Soo PARK ,  Ho Seong HWANG ,  Seemi Tasnim ALAM

IPC: A61K36/28 ,  A61K41/00 ,  A61P31/04 ,  A61P31/10 ,  A01N65/12 ,  A61L2/00 ,  A61L2/26 ,  A61L2/08 ,  A61L2/10 ,  A23L3/3472 ,  A23L3/28 ,  A23B4/20 ,  A23B4/015 ,  A23B7/154 ,  A23B7/015 ,  C02F1/32 ,  C02F1/50

Abstract: Provided are methods of reducing and killing bacteria and fungi, and photodynamic treatment methods and sterilization methods using the methods of reducing and killing bacteria and fungi. The method of reducing and killing bacteria and fungi includes bringing a composition including a Ligularia fischeri extract or a fraction thereof as an active ingredient into contact with cells or tissues of a subject and irradiating cells or tissues of a subject in contact with the composition with an absorbable wavelength of excitation light.