Abstract: The present invention relates to a storage agent for preservation of an animal cell, animal tissue or organ and a method of preserving an animal cell, animal tissue, animal blood or an organ. The storage agent has polyphenol as an effective ingredient. The storage agent stabilizes protein or is added to blood, corpuscles or platelets. Also, the storage agent prevents or treats an organ injury caused by a transplant operation.
Abstract: The present invention proposes formative agent of protein complex, in which a polyphenol is useful component, and the agent is useful as gene complex, cell adhesion inhibitor or immune tolerogen.